Axis Communications Security Camera 243SA User Manual
AXIS 243SA Video Server  
User’s Manual  
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AXIS 243SA Video Server  
4
Contents  
Product description. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
Front panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7  
LED indicators. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Switches & connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8  
Rear panel . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9  
Using AXIS 243SA. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
Accessinccg the video server. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11  
The Live View page. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 12  
Video and audio streams . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
Video stream types. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 14  
MPEG-4 protocols and communication methods . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
AXIS Media Control (AMC) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
How to stream MPEG-4. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15  
Other methods of accessing the video stream. . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16  
Configuring the video server . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
Accessing the Setup tools . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18  
Video & image settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
Image settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19  
Video source settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
Advanced - MPEG-4 settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20  
Advanced - MJPEG settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Overlay/Mask settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21  
Audio . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Audio settings. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24  
Live View Config . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
Layout . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28  
HTML Examples. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30  
External Video. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31  
Event configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32  
Event servers. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32  
Event types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33  
Camera tampering . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35  
Motion detection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35  
Port status. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 37  
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AXIS 243SA Video Server  
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Pan Tilt Zoom . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
Installing PTZ devices. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 38  
PTZ configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 39  
PTZ controls . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 43  
System options . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46  
Security . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 46  
802.1x - Network Admission Control . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 47  
Date & time. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50  
Network - Basic TCP/IP settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 50  
Network - Advanced TCP/IP settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 52  
SOCKS . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 53  
QoS (Quality of service) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54  
SMTP (email). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 54  
SNMP. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
UPnP™ . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
RTP (Multicast)/MPEG-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
Bonjour . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
Ports & devices . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 55  
Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 56  
Advanced. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 58  
Resetting to the factory default settings . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 59  
Unit connectors. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60  
The D-Sub connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 60  
The I/O terminal connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 61  
Schematic diagram - I/O terminal connector . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62  
COM ports RS-232 and RS-485 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 62  
Y/C to BNC cable . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 63  
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64  
Checking the firmware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64  
Upgrading the firmware. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 64  
Support . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 65  
Technical specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 69  
General performance considerations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72  
Optimizing your system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 72  
Frame rates - Motion JPEG . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73  
Frame rates - MPEG-4 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73  
Bandwidth. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 73  
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AXIS 243SA Video Server  
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Glossary . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 75  
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 83  
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AXIS 243SA - Product description  
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Product description  
The AXIS 243SA is a one-port video server including two-way audio, fully featured for  
security surveillance and remote monitoring needs. It is based on the AXIS ARTPEC-2  
compression chip, and can digitize one analog video source and make it available on the  
network as real-time, full frame rate Motion JPEG and/or MPEG-4 video streams.  
The AXIS 243SA is equipped with RS-232 and RS-485 ports for connecting third party PTZ  
systems. The alarm input and alarm output can be used to connect various third party  
devices, such as, door sensors and alarm bells.  
Up to 20 viewers can access the AXIS 243SA simultaneously when using Motion JPEG and  
MPEG-4 unicast. The number of simultaneous viewers can be increased by using multicast  
MPEG-4. When using AXIS Media Control (AMC) to view MPEG-4 video streams, each  
MPEG-4 viewer requires a separate MPEG-4 decoder license. One licence is included, and  
further licenses can be purchased separately from your Axis dealer. If using other clients to  
view the MPEG-4 video stream, no additional MPEG-4 decoder licenses are required.  
Video can be viewed in five resolutions (up to 4CIF), and image compression is  
configurable. The AXIS 243SA contains support for video motion detection, which allows  
the unit to trigger activity in the video image, and advanced scheduling tools which can  
also be used to trigger an event. As the AXIS 243SA is designed for use in security  
systems, it is equipped with several security features, such as IP address filtering, several  
user levels with passwords and HTTPS.  
The AXIS 243SA has a built-in web server, providing full access to all features through the  
use of a standard web browser. The built-in scripting tool allows creation of basic  
applications, providing basic surveillance solutions. For advanced functionality, the Video  
Server can be integrated via the use of the VAPIX®API (see www.axis.com/developer for  
further information).  
Front panel  
The AXIS 243SA provides 1 BNC input and 1 matching loop-through output. These models  
can also accommodate S-Video (Y/C) by using a Y/C to BNC cable (not included). See page  
63 for more information.  
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AXIS 243SA - Product description  
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The AXIS 243SA also provides a Line/Mic In (mono) connector for connecting an external  
microphone or other source producing a line level signal. An active speaker with a built-in  
amplifier can be connected to Line Out (mono) to enable two-way communication. Audio  
communication can be bi-directional (full-duplex), push to talk (half-duplex) or in one  
direction only (simplex).  
Front ppanel -- AXIS 2243SA  
Line/Mic In and  
DIP switch  
Control button  
Video In Video Out  
LED indicators for network, status and power  
LED indicators  
After completion of the startup and self-test routines, the multi-colored LED indicators  
signal the following conditions:  
Unlit  
No connection.  
Network  
Green  
Steady for connection to a 100 Mbit/s network. Flashes for network activity.  
Amber Steady for connection to a 10 Mbit/s network. Flashes for network activity.  
Unlit  
When configured for “no flash” on access.  
Green  
Steady for normal operation. Can be configured to flash green at intervals  
whenever the unit is accessed. See the online help for more information.  
Status  
Power  
Amber Steady during startup, reset to factory default or when restoring settings.  
Red  
Slow flash for failed firmware upgrade.  
Normal operation.  
Green  
Amber Flashes green/amber during firmware upgrade.  
Switches & connectors  
DIP switch - The AXIS 243SA provides a single DIP switch for line termination of the  
video input. Upon delivery the DIP (dual in-line package) switch on the AXIS 243SA is  
configured for composite video input, as follows:  
Switch  
1
2
3
4
75 ohm video in  
termination  
75 ohm video out  
termination  
Connects video in and  
video out  
Not used  
Description  
Composite video input  
Y/C video input  
on  
on  
off  
off  
on  
on  
n/a  
n/a  
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AXIS 243SA - Product description  
9
Note:  
•
If the video source is to be connected in parallel with other equipment, disable the  
input termination by turning the corresponding DIP switch to the up position (OFF). Failure  
to do so may cause reduced image quality.  
•
The AXIS 243SA supports conversion between composite video and Y/C (S-Video) using  
a Y/C to BNC cable (not supplied).  
Control Button - Press this button to restore the factory default settings, as described in  
Resetting to the factory default settings, on page 59, or to install the video server using  
AXIS Internet Dynamic DNS Service (See the Axis Video Server Installation Guide).  
Video Input - The video input is connected using a coax/BNC connector. Physical  
connections made using 75 ohm coaxial video cable have a recommended maximum  
length of 800 feet (250 meters).  
Video Output - Loop-through connection to the video signal from the Video In connector.  
Terminated with a coaxial/BNC connector. Allows direct connection of an external monitor  
for example. Set DIP switch to OFF when in use.  
Line Out - Mono audio output (line level), which can be connected to a public address (PA)  
system or an active speaker with a built-in amplifier. A pair of headphones can also be  
attached.  
Line/Mic In - Single 3.5 mm input for a mono microphone, or line level mono signal (only  
the left channel is used from a stereo signal).  
Rear panel  
Network  
connector  
12-pin I/O terminal  
connector  
RS-232  
connector  
Power adapter  
connector  
Serial number on underside label  
Power adapter connector - For connection of the power adapter.  
I/O terminal connector - The I/O terminal connector provides the physical interface to one  
digital transistor output, one digital input, and an RS-485 interface. See Unit connectors,  
on page 60 for more information.  
Note: The I/O terminal connector also provides an auxiliary connection point for DC power.  
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AXIS 243SA - Product description  
10  
Network connector - The AXIS 243SA connects to the network via a standard network  
cable, and automatically detects the speed of the local network segment  
(10BaseT/100BaseTX Ethernet).  
RS-232 connector - A 9-pin D-SUB connector providing an RS-232 serial connection.  
Typically used for connecting pan/tilt/zoom devices. See Unit connectors, on page 60 for  
more information.  
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Using AXIS 243SA  
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Using AXIS 243SA  
The AXIS 243SA can be used with most standard operating systems and web browsers. The  
recommended browser is Internet Explorer with Microsoft Windows, and Firefox with  
other operating systems. See also the Technical specifications, on page 69.  
Note: For information on installing the video server, please refer to the Installation Guide.  
Accessinccg the video server  
1. Start your web browser.  
2. Enter the IP address or host  
name of AXIS 243SA in the Location/Address field of your browser.  
3. Enter the user name and password set by the administrator.  
4. A video image is displayed in your browser.  
Note: To view streaming video in Microsoft Internet Explorer, set your web browser to allow the installation of  
AXIS Media Control (AMC) on your computer. AMC is required to enable audio in the AXIS 243SA. AMC also  
provides an MPEG-4 decoder for viewing MPEG-4 video streams. This decoder is installed the first time an  
MPEG-4 video stream is accessed. Please note that the product administrator may have disabled the instal-  
lation of the decoder, as a license is required for each instance. See page 30 for more information.  
If your workstation restricts the use of additional software components, the AXIS 243SA can be configured  
to use a Java applet for updating JPEG images. Please see the online help for more information.  
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Using AXIS 243SA  
12  
The Live View page  
If your AXIS 243SA has been customized to meet specific requirements, the buttons and  
other items described below may or may not be displayed on the Live View page. The  
following provides an overview of each available button:  
The Video Format drop-down list allows you to temporarily change the  
video format on the Live View page.  
The Output buttons control an output directly from the Live View page. These buttons are  
configured under Setup > Live View Config > Layout.  
Pulse - click this button to activate the port for a defined period of time,  
such as to switch on a light for 20 seconds.  
Active/Inactive - click these buttons to manually start and stop a  
connected device, such as to switch a light on/off.  
These buttons start/stop the Sequence Mode. This mode is created in Setup >  
Live View Config > Sequence mode and automatically displays the view  
from two or more video sources at set intervals.  
The trigger buttons trigger an event directly from the Live View page. These  
buttons are configured under Setup > Live View Config > Layout. Click these  
buttons to manually start and stop events.  
Use the Snapshot button to capture a snapshot of the image currently  
displayed in the window. Right-click on the image to save it in on your  
computer.  
The AMC viewer toolbar (AXIS Media Control) is available only with Microsoft Internet  
Explorer and displays the following buttons:  
The Play/Stop buttons start and stop the media stream.  
The Snapshot button saves a snapshot of the video image currently displayed. The  
Snapshot function and the target directory for saving snapshots can be configured  
from the AMC Control Applet, which can be opened from the Windows Control  
Panel or by right-clicking the image in Internet Explorer.  
Click the View Full Screen button and the video image will fill the entire screen.  
No other window is visible. Press Esc (Escape) on your keyboard to cancel full  
screen view.  
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Using AXIS 243SA  
13  
Click the Record button to start a recording. The button must be configured to  
appear on the Live View Settings page.  
AMC Audio controls  
There are audio controls for controlling the client computer’s speaker output and  
microphone/line input.  
Click the Speaker and Microphone buttons to switch the sound off and on, for the  
speaker and microphone, respectively.  
Use the slider to control the volume on the speaker and microphone.  
The volume can be set between 0 and 100.  
When using the Half-duplex mode, this button toggles, allowing you to speak and  
listen. The first icon indicates that you can talk and the speaker attached to the  
video server plays your voice. The second icon indicates that you will hear audio  
from the video server, but no audio is sent to web clients. When in simplex talk  
mode, the icon has a toggles effect. It allows you to speak, and is dimmed when you do  
not want other clients to receive any audio.  
Note that these AMC toolbar functions can also be accessed by right-clicking in the image.  
For information on using Pan/Tilt/Zoom controls, please see Pan Tilt Zoom, on page 38.  
When using a browser other than Microsoft Internet Explorer with AMC, instead of a stop,  
a snapshot and a full screen button, there is a stop and a play button in the bottom left  
corner of the live view page. For a description of these buttons see The Live View page  
below.  
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Video and audio streams  
14  
Video and audio streams  
The AXIS 243SA provides several video and audio stream formats. The type you want to  
use depends on your requirements and the properties of your network.  
The Live View page in AXIS 243SA provides access to Motion JPEG and MPEG-4 video  
and audio streams, and to single JPEG images. Other applications and clients can also  
access these video and audio streams/images directly, without going via the Live View  
page.  
Video stream types  
Motion JPEG  
This format uses standard JPEG still images in the video stream. These images are then  
displayed and updated at a rate sufficient to create a stream that shows constantly updated  
motion.  
The Motion JPEG stream provides excellent image quality and access to every individual  
image contained in the stream.  
Note that multiple clients accessing Motion JPEG streams can use different image settings.  
MPEG-4  
This is a video compression standard that makes good use of bandwidth, and which can  
provide high-quality video streams at less than 1 Mbit/s.  
The MPEG-4 standard provides scope for a large range of different coding tools for use by  
various applications in different situations, and AXIS 243SA provides certain subsets of  
these tools. These are represented as Video object types, which are selected for use with  
different viewing clients. The supported video object types are:  
• Simple - sets the coding type to H.263  
• Advanced Simple - in Axis products, this sets the coding type to MPEG-4 Part 2  
AMC (AXIS Media Control) supports both object types, while QuickTime™, for example,  
requires the Simple object type.  
When using MPEG-4 it is also possible to control the bit rate, which in turn allows control  
of bandwidth usage. CBR (constant bit rate) is used to achieve a specific bit rate by varying  
the quality of the MPEG-4 stream. When using VBR (variable bit rate), the quality of the  
video stream is kept as constant as possible, at the cost of a varying bit rate.  
Notes:  
•
MPEG-4 is licensed technology. AXIS 243SA includes one license for the decoder  
required for viewing in AMC. Installing additional unlicensed copies of this decoder is  
prohibited. To purchase more decoder licenses, contact your Axis reseller.  
•
All clients viewing the MPEG-4 stream must use the same image settings.  
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Video and audio streams  
15  
MPEG-4 protocols and communication methods  
To deliver live streaming video over IP networks, various combinations of transport  
protocols and broadcast methods are employed.  
• RTP (Real-Time Transport Protocol) is a protocol that allows programs to manage  
the real-time transmission of multimedia data, via unicast or multicast.  
• RTSP (Real-Time Streaming Protocol) serves as a control protocol, to negotiate  
which transport protocol to use for the stream. RTSP is thus used by a viewing  
client to start a unicast session, see below.  
• UDP (User Datagram Protocol) is a communications protocol that offers limited  
service for exchanging data in a network that uses the Internet Protocol (IP). UDP  
is an alternative to the Transmission Control Protocol (TCP). The advantage of  
UDP is that it is not required to deliver all data and may drop network packets  
when there is network congestion, for example. This is suitable for live video, as  
there is no point in re-transmitting old information that will not be displayed  
anyway.  
• Unicasting is communication between a single sender and a single receiver over a  
network. This means that the video stream goes independently to each user, and  
each user gets their own stream. A benefit of unicasting is that if one stream fails,  
it only affects one user.  
• Multicast is bandwidth-conserving technology that reduces bandwidth usage by  
simultaneously delivering a single stream of information to multiple network  
recipients. This technology is used primarily on delimited networks (intranets), as  
each user needs an uninterrupted data flow and should not rely on network  
routers.  
AXIS Media Control (AMC)  
The recommended method of accessing live video (MPEG-4 and/or Motion JPEG) and  
audio from the Axis video server is to use the AXIS Media Control (AMC) in Microsoft  
Internet Explorer in Windows. This ActiveX component is automatically installed on first  
use, after which it can be configured by opening the AMC Control Panel applet from the  
Windows Control Panel. Alternatively, right-click the video image in Internet Explorer.  
How to stream MPEG-4  
Deciding on the combination of protocols and methods to use depends on your viewing  
requirements, and on the properties of your network. Setting the preferred method(s) is  
done in the control applet for AMC, which is found in the Windows Control Panel. When  
this has been set, AMC will test all the selected methods in the specified order, until the  
first functioning one is found.  
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Video and audio streams  
16  
RTP+RTSP  
This method (actually RTP over UDP and RTSP over TCP) should be your first  
consideration for live video, especially when it is important to always have an up-to-date  
video stream, even if some images get dropped. This can be configured as multicast or  
unicast.  
Multicasting provides the most efficient usage of bandwidth, especially when there are  
large numbers of clients viewing simultaneously. Note however, that a multicast broadcast  
cannot pass a network router unless the router is configured to allow this. It is thus not  
possible to multicast over the Internet for example.  
Unicasting should be used for video-on-demand broadcasting, so that there is no video  
traffic on the network until a client connects and requests the stream. However, if more  
and more unicast clients connect, the server will at some point become overloaded. There  
is also the maximum of 20 simultaneous viewers to be considered.  
RTP/RTSP  
This unicast method is RTP tunneled over RTSP. This can be used to exploit the fact that it  
is relatively simple to configure firewalls to allow RTSP traffic.  
RTP/RTSP/HTTP or RTP/RTSP/HTTPS  
These two methods can also be used to traverse firewalls. Firewalls are commonly  
configured to allow the HTTP protocol, thus allowing RTP to be tunneled.  
Other methods of accessing the video stream  
Video/images from the Axis video server can also be accessed in the following ways:  
• If supported by the client, the Axis video server can use Motion JPEG server push  
to display video. This option maintains an open HTTP connection to the web  
browser and sends data as and when required, for as long as required.  
• As single JPEG images in a browser. Enter the path, for example:  
http://<ip>/axis-cgi/jpg/image.cgi?resolution=CIF  
• Windows Media Player. This requires AMC and the MPEG-4 decoder to be  
installed. The paths that can be used are listed below, in the order of preference.  
• Unicast via RTP: axrtpu://<ip>/mpeg4/media.amp  
• Unicast via RTSP: axrtsp://<ip>/mpeg4/media.amp  
• Unicast via RTSP, tunneled via HTTP: axrtsphttp://<ip>/mpeg4/media.amp  
• Unicast via RTSP, tunneled via HTTPS: axrtsphttps://<ip>/mpeg4/media.amp  
• Multicast: axrtpm://<ip>/mpeg4/media.amp  
Notes: <ip> = IP address.  
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Video and audio streams  
17  
Other MPEG-4 clients  
Although it may be possible to use other clients to view the MPEG-4 stream, it is not  
guaranteed that it will work in all cases.  
For some other clients, for example,. QuickTime™ the Video Object Type must be set to  
Simple. It may also be necessary to adjust the advanced MPEG-4 settings.  
To access the video stream, for example, from QuickTime™ the following path can be used:  
rtsp://<ip>/mpeg4/#/media.amp  
This path is for all supported methods, and the client will negotiate with the Axis video  
server to determine which transport protocol to use.  
Notes: • <ip> = IP address.  
• # = video source number or the quad stream. This is set to 1 if omitted.  
Audio transmission methods  
The audio stream can be accessed in the Live View page when viewing either Motion JPEG  
or MPEG-4.  
Using Motion JPEG  
The basic transmission method of audio used in conjunction with Motion JPEG video  
streaming is transmission over HTTP. The video and audio streams are not synchronized  
when using Motion JPEG so the streams may be slightly out of sync. The latency in any  
stream should be low, but this will depend on the network infrastructure.  
Using MPEG-4  
When using MPEG-4, audio is streamed using the same protocol as the video stream.  
When audio is transmitted using MPEG-4, the Axis video server sends synchronization  
information along with the streams to the client performing the synchronization.  
Note: Audio is streamed from the client to the server over HTTP when using Motion JPEG and MPEG-4.  
Accessing the audio streams  
In addition to accessing audio in the Live View page using AMC, audio from the AXIS  
243SA can also be accessed in the following ways:  
VAPIX API  
You can read about accessing audio for the other protocols through the VAPIX® API at  
www.axis.com/techsup  
QuickTime/Windows Media Player  
It is possible to use QuickTime and Windows Media Player to listen to the audio stream  
using the same methods to access video streams.  
Java Applet  
The Java applet supports simplex audio (from server to client).  
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AXIS 243SA - Configuring the video server  
18  
Configuring the video server  
This section describes how to configure the Axis video server and is intended for  
administrators, who have unrestricted access to all the Setup tools  
The Axis video server is configured from the Setup link, in a standard web browser. For  
more information on supported browsers, see the Technical specifications, on page 69.  
Accessing the Setup tools  
Follow the instructions below to access the Setup Tools from a web browser.  
1. Start the browser and enter the IP address or host name of the Axis video server  
in the location/address field.  
2. The Live View page is now displayed. Click Setup to display the Setup tools.  
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AXIS 243SA - Video & image settings  
19  
Video & image settings  
The following descriptions show examples of the available features in the AXIS 243SA. For  
details of each setting, please refer to the online help available from each page. Click  
access the online help.  
to  
Image settings  
Image Appearance  
Modify the Image Appearance to optimize the video images according to your  
requirements.  
All configuration of images and overlays will affect the performance of the video server,  
depending on the usage and the available bandwidth.  
• High resolution generates larger files  
• Lower compression improves image quality, but generates larger files  
• Black & White uses less bandwidth than Color  
• Rotating the image 90 or 270 degrees will lower the maximum frame rate  
See also the specifications for frame rates and bandwidth on page 73.  
Text Overlay Settings  
Include date, time, and/or text of your choice to be viewed on the image. The color of the  
text may be set to white or black, while background color may be set to white, black,  
transparent or semitransparent. The position of the text is set either to the top or the bot-  
tom of the image.  
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AXIS 243SA - Video & image settings  
20  
Video Stream  
The Maximum video stream time can be set as Unlimited, or set a maximum stream time  
per session in seconds, minutes or hours. When the set time has expired, a new stream on  
the Live View page can be started by refreshing the page in the web browser. Note that the  
maximum video stream time does not apply to clients connecting via multicast.  
To avoid bandwidth problems on the network, the frame rate allowed to each viewer can  
also be limited. Select either Unlimited or define a maximum frame rate per viewer.  
Test  
For a preview of the image and overlay settings before saving, click Test. When you are  
satisfied with the settings, click Save.  
Video source settings  
Select the physical connector the video source is connected to, BNC or Y/C.  
• BNC (composite video) connects a standard video camera or other video equip-  
ment  
• Y/C (S-video) connects a Y/C (S-Video) camera or other video equipment  
The video type can be converted from composite video to Y/C (S-Video) by using a Y/C to  
BNC cable. See page 63 for more information. See also Switches & connectors, on page 8.  
These settings also allow you to eliminate black borders surrounding the image, by making  
Offset adjustments. See the online help for more information.  
Advanced - MPEG-4 settings  
Tools for adjusting the MPEG-4 settings and for controlling the video bit rate.  
The MPEG-4 standard provides many different coding tools for various applications in  
different situations. As most MPEG-4 clients do not support all these tools, it is usual to  
instead define and use subsets for different clients or groups of clients. These settings allow  
you to define the type of viewing client to use.  
Adjusting the maximum bit rate and setting it to variable or constant is a good way of  
controlling the bandwidth used by the MPEG-4 video stream.  
For more information on these advanced settings, please see the online help.  
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AXIS 243SA - Video & image settings  
21  
Advanced - MJPEG settings  
Sometimes the image size is large due to low light or complex scenery. Adjusting the  
maximum frame size helps to control the bandwidth and storage used by the MJPEG video  
stream in these situations. Defining the frame size as Unlimited provides consistently good  
image quality at the expense of increased bandwidth and storage usage during low light.  
Limiting the frame size optimizes bandwidth and storage usage, but gives poor image  
quality. To prevent increased bandwidth and storage usage, the maximum frame size  
should be set to an optimal value.  
Text overlay  
Overlay/Mask settings  
Image  
overlay  
Overlay/Mask type  
Overlay/Mask type allows you to  
place an overlay, or up to three  
privacy masks over the video image:  
• Upload and place an image  
as an overlay - usually used  
to provide extra information  
in the video image.  
• Place up to three config-  
urable privacy masks to  
conceal different areas of  
the video image.  
Selecting the overlay/mask type from the menu will display further settings available for  
the selected type. See the online help for further information.  
Note: A privacy mask cannot be bypassed, but an overlay image can be bypassed with the help of the VAPIX API.  
Upload and use an overlay image  
1. Select Uploaded image as overlay in the drop-down list for Overlay/Mask Type.  
New options appear.  
2. In the field Upload own image, click the Browse button and locate the image file  
on your computer or server.  
3. Click the Upload button and follow the on-screen instructions.  
To use an already uploaded image:  
1. Select an uploaded image from the Use image drop-down list.  
2. Place the image at the required location by entering the x and y coordinates.  
3. Click Save.  
Note: The x and y coordinates, and the width and height of the overlay/mask are relative to the maximum avail-  
able resolution of the product.  
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AXIS 243SA - Video & image settings  
22  
Overlay image requirements:  
Image Formats  
Image Size  
•
•
Windows 24-bit BMP (full color)  
Windows 4-bit BMP (16 colors)  
The height and width of the overlay image in  
pixels must be exactly divisible by 4.  
Overlay image limitations:  
• The maximum overlay image size supported by AXIS 243SA is the same as the  
maximum image resolution. See Technical Specifications, on page 69.  
• When a text overlay is also used, this reduces the amount of space available to  
the overlay image. To keep the text readable at lower resolutions, the text overlay  
occupies proportionally more of the image at lower resolutions.  
• If the overlay is initially positioned so that part of it is outside the video image, it  
is relocated so that it appears over the video image, that is, it is always the entire  
image that is displayed.  
Please see the online help for more information.  
Use a Privacy Mask  
To use privacy masks to hide different areas of the video image:  
1. Select Configurable areas as privacy mask in the drop-down list for  
Overlay/Mask Type. New options appear.  
2. Enter the (x,y) coordinates of the top left hand corner of the mask, and the height  
and width to define the masks’ placement and size.  
3. Select the privacy masks’ color: black, grey, white, or red.  
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AXIS 243SA - Video & image settings  
23  
4. Click in the box beside Enable to enable one or more of the masks you have  
defined and click on Save.  
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AXIS 243SA - Audio  
24  
Audio  
The AXIS 243SA can transmit audio to other clients using an external microphone and can  
play audio received from other clients by attaching a speaker. The Setup page has an  
additional menu item called Audio, which allows different audio configurations, such as,  
full duplex, half duplex and simplex.  
Note: The speaker attached to the audio output must have a built-in amplifier, as is the case with, for example,  
some PC speakers.  
Audio settings  
This section describes how to configure the basic audio settings, such as, setting the  
communication mode and adjusting the sound levels in the microphone and speaker  
connected to the camera.  
Enable Audio  
Select the video sources that the AXIS 243SA will transmit and receive audio from.  
Audio Channels  
There are two mono audio channels for the AXIS 243SA and each connected client, one  
for receiving audio and the other for transmitting audio. Each audio channel can be turned  
on or off, which means there are four audio mode options that can be used.  
Full-duplex mode means that you can transmit and receive audio (talk and listen) at the  
same time, without having to use any of the controls. This is just like having a telephone  
conversation. The only controls you may wish to use are the mute buttons to turn off the  
sound, and the sliders, to adjust the input/output volume levels. This mode requires that  
the client PC has a sound card with support for full-duplex audio. If your available  
bandwidth is 0.2 Mbit/s or less, it is recommended that you use Half-duplex mode instead.  
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AXIS 243SA - Audio  
25  
Half-duplex mode also transmits and receives audio in both directions, but only in one  
direction at a time. This means that you must select when to receive or transmit audio with  
the help of the push-to-talk button. To speak, press and hold the button (check that the  
microphone is not muted). When finished, release the button. You will now be receiving  
audio from the other end of the connection.  
Note that the push-to-talk button is configured from AMC, see AXIS Media Control (AMC),  
on page 15. It is also possible to configure the push-to-talk button so that it toggles  
between speaking and listening modes. Half-Duplex mode is best if you only have limited  
bandwidth available.  
When selecting Simplex speaker only mode, the speaker connected to AXIS 243SA will  
play audio, but no audio will be transmitted from AXIS 243SA to other web clients. This  
could be used to provide spoken instructions to a person seen in a camera. In this mode use  
the push-to-talk button.  
The Simplex - microphone only mode only transmits audio from the AXIS 243SA to any  
web client. It does not receive audio from other web clients. This can be used in remote  
monitoring, and web attractions, to provide live audio and video in a monitored situation.  
When using half-duplex, the Send the sound from the active client to all other clients  
option transmits the audio signal from the client that is talking to all other clients.  
Audio Input  
Audio from an external microphone or a line source can be connected to the Line/Mic In  
jack of the AXIS 243SA. The audio source can be set to Microphone or Line. If you are  
using a microphone, the input sensitivity can be set to High or Low. See Technical  
specifications, on page 69 for the exact maximum levels.  
The Enable microphone power option provides DC power for the external microphone. If  
you use a small electret condenser microphone such as a clip-on mic or a PC microphone,  
this option needs to be enabled.  
To use a high impedance dynamic microphone, DC power should not be enabled. DC power  
will not harm the microphone, but if you are uncertain, try switching it off and on. DC  
power is enabled by default. To use a professional microphone requiring 48V phantom  
power, you need an external power supply and must use a balanced-unbalanced converter  
(audio transformer) in between.  
If there are problems with the sound input being too low or high, it is possible to adjust the  
input gain for the microphone attached to the AXIS 243SA.  
Select the desired audio Encoding format, G711, and G726.  
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AXIS 243SA - Audio  
26  
Depending on the selected encoding, set the desired Bit rate (audio quality). The settings  
depend on the available bandwidth and the required audio quality, that is, a high bit rate  
setting requires more bandwidth.  
Audio Output  
If the sound from the speaker is too low or high it is possible to adjust the output gain for  
the active speaker attached to the Axis video server.  
When satisfied with the settings, click Save, or click Reset to revert to the previously saved  
settings.  
Advanced Audio Settings  
The Advanced Quality Settings allows you to tune the audio input to suit your  
environment.  
Enable speech filter improves the sound quality while using a microphone that is placed  
close to the person talking and can also help reduce background noise. The filter cuts the  
lowest and the highest frequencies. The bypass frequency range is approximately 250Hz to  
3700Hz (measured at -10dB cut-off points).  
Enable echo cancellation can reduce the feedback generated when using full duplex. If  
there is sound distortion, turning echo cancellation off may improve the sound quality.  
Noise cancelling helps reduce background noise when there is no useful audio present. A  
typical application could be when there is a noisy environment and you are only interested  
in hearing the sound when someone is speaking close to a microphone. There are two  
adjustable parameters available to optimize this function:  
• Noise canceller threshold value  
• Noise canceller attenuation  
When the incoming sound is louder than the threshold, it will pass without changes. When  
lower than the threshold, the incoming sound is reduced by a certain attenuation factor.  
The threshold value should be set higher than the background noise, but lower than the  
useful audio.  
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AXIS 243SA - Audio  
27  
The noise canceller threshold value can be set to High, Medium High, Medium low and  
Low. A lower threshold allows most of the audio to pass. Only the weakest background  
noise is reduced. A higher threshold makes the noise canceller act on even stronger  
background noise. At the maximum level High, there is a risk of reducing useful audio as  
well.  
There is a trade-off between noise cancelling and sound quality. In other words, increasing  
the noise canceller attenuation deteriorates sound quality. Adjust the threshold and the  
attenuation to an optimum level by listening and changing the levels.  
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AXIS 243SA - Live View Config  
Live View Config  
Layout  
28  
These are the tools for deciding  
the layout of the Live View page.  
The layout can be set in three  
ways:  
• Use Axis look - the lay-  
out is unchanged.  
• Use custom settings - to  
modify the default page  
with your own colors,  
and images, click the  
Configure button.  
• Own Home Page -  
Upload and use your  
own custom made page as the default web page. Click the Configure button to  
see this option.  
The other settings on this page define other features to include in the Live View page, such  
as, buttons and links. See page 29 for more information.  
Customizing the default  
page  
The appearance of the  
default Axis video server  
Live View page can be  
customized to suit your  
own requirements, or  
you can upload and use  
your own home page. To  
upload your own files,  
click the Upload/Remove  
button and see the  
description below.  
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AXIS 243SA - Live View Config  
29  
Upload Own Web Files  
Your own web files, or background pictures must first be uploaded to the Axis video server  
in order that it appears for selection in the Custom Settings setup dialog. Once uploaded,  
the files are shown in the drop-down list.  
1. Enter the path to the file located on your workstation or click the Browse button.  
2. Select the user level for the uploaded file. Setting the user access level means that  
you determine the pages that different users.  
3. When the path is shown correctly in the text field, click the Upload button.  
Uploaded files are now shown in the list in the lower section of the page.  
4. To use your uploaded file, click the radio button and select the file from the  
drop-down list.  
To remove a file, check the box provided next to it and then click the Remove button.  
To use an external file located somewhere other than in the Axis video server, select this  
radio button and enter the URL in the field marked External.  
Own Home Page  
To use a previously uploaded web page as the default page, check the ‘Use own home page’  
box, select the page from the drop-down list and click OK.  
User-defined Links  
Enter a descriptive name and enter the URL in  
the field provided. The link will appear on the  
Live View page.  
User defined CGI links can be used to issue  
HTTP API requests, such as, PTZ commands.  
Example:  
1. Check Show custom link 1  
2. Enter a descriptive name, such as, CAM1  
Start PTZ.  
3. Enter the cgi link:  
http://192.168.0.125/axis-cgi/com/ptz.cgi?  
camera=1&continuouspantiltmove=30,-30  
4. Check Show custom link 2.  
User-defined links  
5. Enter a descriptive name, such as, CAM1  
Stop PTZ.  
6. Enter the cgi link:  
http://192.168.0.125/axis-cgi/com/ptz.cgi?camera=1&continuouspantiltmove=0,0  
7. These links appear in the web interface and can be used to control the PTZ camera  
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AXIS 243SA - Live View Config  
30  
For more information on the VAPIX API, see the Developer pages at the Axis web site  
www.axis.com/developer. See also the section on PTZ, on page 38.  
Action Buttons  
The manual trigger buttons can be used to manually start and stop an event from the Live  
View page. See Event configuration, on page 32. The snapshot button allows you to take a  
snapshot of the video stream and save it to a computer.  
Output Buttons  
These buttons are used to control the outputs on the Axis video server and thus the  
equipment connected to them, such as switching a light on or off:  
• The Pulse button activates the port for a defined period  
• Active/Inactive displays two buttons, one for each action (on/off)  
Default Video Format  
Select the default video format to use on the Live View page. Checking the box for Show  
video format selection displays a drop-down list on the Live View page allowing you to  
temporarily change the format.  
Default Viewer  
Select from the drop-down list the viewer you wish to use for your web browser. Please see  
the online help for more information.  
Viewer Settings  
Show viewer toolbar - Check this to display the viewer’s own toolbar under the image.  
Enable MPEG-4 decoder installation - By checking/unchecking this box, the  
administrator can enable or disable the installation of the MPEG-4 decoder included with  
AMC. This is used to prevent the installation of unlicensed copies. Further decoder licenses  
can be purchased from your Axis dealer.  
Show crosshair in PTZ joystick mode - This will enable the display of a crosshair in the  
video image when the PTZ mode is set to joystick.  
Use PTZ joystick mode as default - Enabling this sets the PTZ mode to joystick. The mode  
can be changed temporarily on the PTZ Control Panel, but will default to joystick if this is  
selected.  
Enable recording button for MPEG-4 - Enabling this button allows the user to start an  
MPEG-4 recording directly from the Live View page.  
HTML Examples  
Live video from the Axis video server can be added to your own web page.  
Select the preferred Video Format from the drop down list. The available options are  
Motion JPEG, MPEG-4 using AMC and MPEG-4 using QuickTime. If MPEG-4 using AMC is  
set as the video format, note that a separate MPEG-4 license is required for each viewer.  
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AXIS 243SA - Live View Config  
31  
The Motion JPEG selection has additional settings for Image Type, Image size and other  
optional settings for configuring the video stream to suit your web page. Click Update  
when satisfied.  
The video server then generates the required source code for your configuration. Copy this  
code and paste it into your own web page code.  
External Video  
You can add links to other Axis network devices available over the network. These sources  
can be displayed on the Live View page, just as if they were video sources connected  
directly to the Axis video server.  
Click the Add button to open the External Video Source Setup dialog, which is used to  
make all the necessary settings.  
Example of a path to an external video source:  
http://192.168.0.125/axis-cgi/mjpeg/video.cgi  
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AXIS 243SA - Event configuration  
32  
Event configuration  
This section describes how to configure AXIS 243SA for alarm handling. Various actions  
can be configured to run when certain types of events occur.  
Event type  
A set of parameters describing how and when the video server is to perform certain actions  
- the circumstances that start an event Example: at a signal from an external device, such as a  
door switch or a motion sensor  
Triggered Event (see page 33)  
Scheduled Event (see page 34) - the circumstances that start an event Example: at a pre-programmed time  
Event servers  
Event Servers are used for receiving uploaded image files and/or notification messages. To  
set up an Event server for your AXIS 243SA, go to Setup > Event Configuration > Event  
Servers and enter the required information according to the selected server type.  
Server type  
Purpose  
Information required  
•
receives uploaded images  
•
•
•
•
Descriptive name of your choice  
Network address (IP address or host name)  
User Name and Password (to FTP server)  
Port number  
FTP Server  
•
•
receives notification messages  
receives uploaded images  
•
•
Descriptive name of your choice  
URL (address)  
HTTP Server  
TCP Server  
•
receives notification messages  
•
•
•
Descriptive name of your choice  
Network address (IP address or host name)  
Port number  
For details on each setting, please refer to the online help  
page.  
available from each web  
Note: The images in pre-trigger and post-trigger buffers will be lost if the connection to the event server fails.  
When the setup is complete, the connection can be tested by clicking the Test button (the  
test takes approximately 10 seconds).  
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AXIS 243SA - Event configuration  
33  
Event types  
An event type is a set of  
parameters describing how  
and when the video server  
is to perform certain  
actions.  
Example: If somebody walks past  
the connected camera, and an event  
has been configured to act on this,  
the video server can record and send  
video images to an FTP server, or send a notification email to a pre-configured email address with a pre-configured  
message. Video images can be sent as an attachment with the email.  
Triggered Event  
A triggered event could be activated by:  
• a push button connected to an input port on the video server  
• detected movement in a configured motion detection window  
• a lost signal from a video source  
• a manual action such as clicking the trigger button in the web interface  
• on restart (reboot) after, for example, power loss.  
• audio  
• camera tampering  
• PTZ presets  
How to set up a triggered event  
The following is an example for setting the Axis video server to upload images when a  
door is opened:  
1. Click Add triggered in the Event types page.  
2. Enter a descriptive name for the event, such as Main door.  
3. Set the priority - High, Normal, or Low (see online help files).  
4. Set the Respond to Trigger... parameters when the event is to be active, for  
example, only after office hours  
5. Select the trigger alternative from the Triggered by... drop-down list, for  
example, an Input port with a connected sensor if the door is opened.  
6. Set the When Triggered... parameters, that is, what the video server should do if  
the main door is opened, for example, upload images to an FTP server.  
7. Click OK to save the event in the Event Types list.  
Please see the online help  
for descriptions of each available option.  
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AXIS 243SA - Event configuration  
34  
Pre-trigger and post-trigger buffers  
This function is very useful when checking to see what happened immediately before and  
after a trigger, for example, two minutes before and after a door was opened. Check the  
box against Upload images under Event Types > Add Triggered... > When triggered... to  
expand the web page with the available options.  
Buffer size - up to 9 MB buffer.  
The maximum length of time of the pre-/post-buffer depends on the selected image size  
and frame rate.  
Include pre-trigger buffer - images stored internally in the server from the time  
immediately preceding the trigger. Check the box to enable the pre-trigger buffer, enter the  
desired length of time and specify the required image frequency.  
Include post-trigger buffer - contains images from the time immediately after the trigger.  
Configure as for pre-trigger.  
Note: If the pre- or post-buffer is too large for the AXIS 243SA's internal memory, the frame rate is reduced and  
individual images may be missing. If this occurs, an entry will be created in the unit's log file.  
Continue image upload (unbuffered) - enable the upload of images for a fixed length of  
time. Specify the length of time for the uploaded recording, in seconds, minutes or hours,  
or for as long as the trigger is active. Finally, set the desired image frequency to the  
maximum or to a specified frame rate. The frame rate will be the best possible, but might  
not be as high as specified, especially if uploading via a slow connection.  
Scheduled event  
A Scheduled event can be activated at pre-set times, in a repeating pattern on selected  
weekdays.  
How to set up a scheduled event  
This example describes how to set the video server to send an email notification with saved  
images from a set time:  
1. Click Add scheduled on the Event types page.  
2. Enter a descriptive name for the event, such as Scheduled email.  
3. Set the priority (High, Normal or Low).  
4. Set the Activation Time parameters (24h clock) when the event should be active,  
for example, start on Sundays at 13.00 with a duration of 12 hours.  
5. Set the When Activated... parameters that is, set what the video server should do  
at the specified time such as, send uploaded images to an email address.  
6. Click OK to save the Event in the Event Types list.  
Please see the online help  
for descriptions of each available option.  
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AXIS 243SA - Event configuration  
35  
Camera tampering  
The camera tampering application generates an alarm whenever the camera is  
repositioned, or when the lens is covered, sprayed, or severely defocused.  
You must create an event, (see “How to set up a triggered event” (page -31)), for the  
camera to send an alarm.  
Motion detection  
In the Motion Detection menu, you can configure the video source(s) for motion detection.  
The motion detection feature is used to generate an alarm whenever movement occurs (or  
stops) in the image. AXIS 243SA can use up to 10 motion detection windows.  
• Include windows target specific areas within the image  
• Exclude windows are areas to be ignored within the Include window  
Once configured, the motion detection windows will appear in a list when motion  
detection is selected to trigger an event. See How to set up a triggered event above.  
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AXIS 243SA - Event configuration  
36  
Note: Using the motion detection feature may decrease overall performance in the video server.  
How to configure Motion Detection  
This example describes how to configure motion detection:  
1. Click Motion Detection in the Event Configuration menu.  
2. Click the Configure Included Windows radio button.  
3. Click New.  
4. Enter a descriptive name of your choice under Windows name.  
5. Adjust the size (drag the bottom right-hand corner) and position (click on the text  
at the top and drag to the desired position).  
6. Adjust the Object size, History and Sensitivity profile sliders (see table below for  
details). Any detected motion within an active window is then indicated by red  
peaks in the Activity window (the active window has a red frame).  
7. Click Save.  
If there are parts of the Include window that you wish to exclude, click the  
Configure Excluded Windows radio button and perform steps 3-7 above.  
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AXIS 243SA - Event configuration  
for descriptions of each available option.  
37  
Please use the online help  
Parameter  
Object Size  
History  
Sensitivity  
High  
Only very large objects  
trigger motion detection  
An object that appears in the region will Ordinary colored objects against ordinary  
trigger the motion detection for a long  
period  
backgrounds will trigger the motion  
detection  
Low  
Even very small objects  
trigger motion detection  
An object that appears in the region will Only very bright objects against a dark  
trigger motion detection for only a very  
short period  
background will trigger motion detection  
Default values Low  
Medium to High  
Medium to High  
Examples:  
•
•
•
Avoid triggering on small objects in the image by selecting a high size level.  
To trigger motion detection as long as there is activity in the area, select a high history level.  
To only detect flashing light, low sensitivity can be selected. In other cases, a high sensitivity level is  
recommended.  
Port status  
Under Event Configuration > Port Status, there is a list that shows the status for the  
connected inputs and outputs of the Axis video server. This is for the benefit of an  
operator, who cannot access the System Options section.  
Example: If the Normal state for a push button connected to an input is set to Open circuit, as long as the button  
is not pushed, the state is inactive. If the button is pushed, the state of the input changes to active.  
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AXIS 243SA - Pan Tilt Zoom  
Pan Tilt Zoom  
38  
Installing PTZ devices  
AXIS 243SA supports several PTZ devices. Please see www.axis.com for a complete list of  
supported devices, and to obtain the correct driver. Follow the instructions below to install  
a PTZ device:  
1. Using an appropriate cable, connect the device to your selected port (RS-232 or  
RS-485). These ports are available via the D-Sub connector and the I/O terminal  
connector, respectively. See pages 60 and 62 for more information.  
2. In the setup tools, go to Setup > System Options > Ports & Devices and then  
select either port RS-232 or RS-485 to configure. See the figure below.  
3. Select Pan Tilt Zoom from the Usage drop-down list.  
4. Click Upload to install a PTZ driver.  
(PTZ drivers are available from the Axis Web site at www.axis.com)  
5. Click Port Options... to modify the port settings. The default values correspond to  
the values specified by the PTZ driver.  
6. From System Options > Ports & Devices, select the port configured for PTZ and  
then select the video source to use with the device.  
7. If required, click the Advanced Options button to make further settings and see  
the online help  
.
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AXIS 243SA - Pan Tilt Zoom  
39  
Note: Advanced users and application developers can also use the Axis Application Programming Interface and  
HTTP specification for generic control of PTZ devices using CGI commands or a TCP/IP client. Please refer to  
the Axis website at www.axis.com for further information.  
PTZ configuration  
Once PTZ has been installed for the AXIS 243SA, PTZ Configuration now appears in the  
menu to the left along with the following sub menus.  
Preset positions  
A preset position is a pre-defined camera view than can be used to quickly move the  
camera to a specific location.  
From Preset Position Setup, use the Pan, Tilt and Zoom (PTZ) controls to steer the camera  
to the required position. When satisfied with the camera's position, enter a descriptive  
name. The camera position, iris and focus settings are then saved as a preset position.  
The position can be assumed at any time, by selecting the preset's name from the Preset  
positions drop-down list. Preset positions can be selected in the Live View page; they can  
be selected as an action when an event is triggered, in Sequence mode, and can be part of  
a Guard Tour.  
One position can be set as the Home position, which is readily accessible by clicking the  
box beside Use current position as Home. The position's name will then have (H) added to  
the end, for example, Office Entrance (H).  
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AXIS 243SA - Pan Tilt Zoom  
40  
Guard tour  
A guard tour moves between chosen Preset Positions, one-by-one, in a pre-determined  
order or at random, and for configurable time periods. Unlike the Sequence Mode, which is  
a viewing application under Live View Config (see Live View Config, on page 28), the  
guard tour sequence will keep running, after the user has logged off or closed the browser.  
Advanced  
Device Settings - The device settings window is for driver specific settings, so the  
appearance of this window can vary depending on the driver installed. Options that can be  
configured include: Driver Specific Settings for Video Source 1, Mechanical Limits for  
Moving Video Source 1, Light Control for Video Source 1, and Extended Driver Specific  
Settings for Video Source 1.  
Ctrl Panel - The Panel View Settings window contains tools for creating and saving short  
command buttons that are located under the Control panel. These buttons provide direct  
access to various built-in auxiliary commands provided by the PTZ driver and are  
displayed in the PTZ Panel.  
Limits - Define the pan, tilt, zoom and focus limits for the Axis video server. Movements  
to the left and right, up and down can be restricted to narrow the area under surveillance.  
The near focus limit can be set to avoid focusing on objects too close to the camera.  
Note: To be able to set limits, the driver needs to be an “absolute” driver.’  
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AXIS 243SA - Pan Tilt Zoom  
41  
OSD Menu - If the PTZ unit supports an internal configuration menu, this can be accessed  
using the On-Screen Display (OSD). Configure the analog camera by opening and  
navigating through its internal menu in this display.  
PTZ control queue  
Use the PTZ control queue window to enable and disable PTZ queueing. This window  
allows you to set up a queue for viewers wanting to access the Axis video server, and  
limits the number of viewers and the length of time each viewer can access and control the  
PTZ unit. For more information on how to set up the control queue, please see the online  
help  
.
Note also that a viewer who belongs to a group (see Security, on page 46) with a higher  
PTZ priority can go before other users in the queue and take control of the Axis video  
server.  
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AXIS 243SA - Pan Tilt Zoom  
42  
The order of priority for taking control of the queue is as follows:  
1. Administrators - An administrator takes over PTZ control regardless of who is  
first in queue. The administrator will be removed from the queue 60 seconds after  
their last PTZ control command.  
2. Event - The AXIS 243SA can be set up to take control of the queue and move to  
a specific position for 20 seconds when triggered by an alarm. The event will  
immediately be placed first in the queue, except when an administrator is in  
control. For more information, see Triggered Event, on page 33.  
3. Operator - Same as administrator, but with lower priority.  
4. Guard Tour - A guard tour has PTZ control for an indefinite period of time. It  
may be overridden by an Operator, Event or administrator. Guard Tour will  
resume when higher priority groups leave the queue. For more information see  
Guard tour, on page 40.  
5. Viewer - Multiple viewers must wait for their turn. The viewer has 60 seconds  
PTZ control before control is passed to the next viewer in queue.  
Note: To identify the different users in the viewer group, cookies must be enabled on the client.  
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AXIS 243SA - Pan Tilt Zoom  
43  
PTZ controls  
If the Axis video server has been appropriately configured, the Live View page displays the  
controls available for the installed Pan Tilt Zoom (PTZ) device. The administrator can  
enable/disable the controls for specified users.  
The controls shown depends on the make and model of PTZ device. The most common  
controls are:  
• the Pan bar - moves the camera to the right and left  
• the Tilt bar - tips the camera up and down  
• the Zoom bar - zooms the view in and out. Note that this is only available if the  
camera is fitted with a zoom lens  
• the Iris bar - adjusts the brightness of the image  
Clicking on the bars themselves or on the arrows at the end of the bars moves the camera  
to a new position. The type of movement and the location of this new position depends on  
the type of PTZ driver.  
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AXIS 243SA - Pan Tilt Zoom  
44  
When controlling the camera using a relative PTZ driver (see the bars in the illustration  
above) the new position is relative to the previous position, for example, left of, below, or  
above. Clicking the bar further from the center results in a larger movement.  
In contrast, when using an absolute driver, each  
position on the bar (see right) represents a defined  
position in the device’s range of movement, with the center of the bar representing the  
point midway between the two extremes of movement.  
Clicking a position directly on the bar moves the camera directly to the new position in  
one smooth movement. Clicking on the arrows at the ends of a bar causes an incremental  
change.  
Using CGI links to control PTZ devices  
User-defined CGI links on the Live View page can be used to issue HTTP API requests, such  
as PTZ commands. These links are configured in the Live View Layout settings, see page  
12.  
PTZ control modes  
The PTZ device can also be controlled using click-in-image movement, which has two  
different types of navigation - Center and Joystick.  
Center mode means that when clicking in the image, the camera view centers on the  
absolute position that was clicked.  
Joystick mode moves the camera in the direction of the mouse pointer. By clicking and  
holding the mouse button down in the image, the PTZ device moves the camera in that  
direction, relative to the center of the image. The farther from the center the image is  
clicked, the greater the movement. The camera stops moving when the button is released.  
Note: There is also joystick support in AXIS Media Control (AMC).  
Control panel  
The focus and iris (image brightness) can be adjusted manually by using the control bars,  
or they can be set for automatic adjustment, by clicking the Auto iris and Auto focus  
buttons.  
Note: These buttons appear only if the PTZ driver installed supports them.  
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AXIS 243SA - Pan Tilt Zoom  
To access the Auto iris and Auto focus buttons, click on the Control  
45  
panel button. The menu to the right will then appear in the upper left  
hand corner of the screen.  
There are also driver specific shortcuts that can appear in the Control  
Panel. In the screen to the right, a driver has been installed that  
brings up the Wiper shortcut button, which allows the user to  
configure and use a windshield wiping action with the Axis video  
server.  
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AXIS 243SA - System options  
System options  
Security  
46  
User access control is enabled by default, when the administrator sets the root password on  
first access. New users are authorized with user names and passwords, or the administrator  
can choose to allow anonymous viewer login to the Live View page, as described below:  
Users - the user list displays the authorized users and access levels:  
Viewer  
Provides the lowest level of access, which only allows the user access to the Live View page  
Operator  
An Operator can view the Live View page, create and modify event types and adjust certain other  
settings. The Operator does not have access to the Systems Options configuration pages.  
Administrator An administrator has unrestricted access to the Setup Tools and can determine the registration of all  
other users.  
User settings - check the corresponding checkboxes to enable:  
• Anonymous viewer login - allows any viewer direct access to the Live View  
page.  
• Anonymous PTZ control login - allows any viewer access to the Pan Tilt Zoom  
controls on the Live View page (if Pan/Tilt/Zoom is available).  
IP address filtering  
Checking the Enable IP address filtering box enables the IP address filtering function. Up  
to 256 IP address entries may be specified (a single entry can contain multiple IP  
addresses). Click the Add button to add new filtered addresses.  
When the IP address filter is enabled, addresses added to the list are set as allowed or  
denied addresses. All other IP addresses not in this list will then be allowed or denied  
access accordingly, that is, if the addresses in the list are allowed, then all others are  
denied access, and vice versa. See also the online help for more information.  
Note that users from IP addresses that will be allowed must also be registered with the  
appropriate access rights (User, Operator or Administrator). This is done from Setup >  
System Options > Security > Users.  
Referrals - to prevent unauthorized sources from including the video stream from the  
AXIS 243SA into external Web pages, check the Referrals box and enter the IP address or  
host name of the computer that hosts the Web pages with the included video stream.  
Multiple IP addresses/host names can be defined and are separated by semicolons (;).  
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AXIS 243SA - System options  
47  
Notes:  
HTTPS  
•
If the referrals feature is enabled and you wish to also allow normal access to the Live  
View page, the product's own IP address or host name must be added to the list of allowed  
referrers.  
•
Restricting referrers has no effect on an MPEG-4 video stream. To restrict an MPEG-4  
stream, IP address filtering must be enabled.  
Restricting referrers is of greatest value when not using IP address filtering. If IP  
•
address filtering is used, then the allowed referrers are automatically restricted to those  
allowed IP addresses.  
For greater security, AXIS 243SA can be configured to use HTTPS (Hypertext Transfer  
Protocol over SSL (Secure Socket Layer)). That is, all communication that would otherwise  
go via HTTP will instead go via an encrypted HTTPS connection.  
Certificate - to use HTTPS for communication with the AXIS 243SA, a Certificate must be  
created using one of these methods:  
• A self-signed certificate can be created in the video server, but this does not guar-  
antee the same level of security as an official certificate.  
• An official certificate issued by a CA (Certificate Authority). A CA issues and  
manages security credentials and public keys for message encryption.  
1. Click either Create self-signed certificate or Create Certificate Request and enter  
the required information in the provided fields  
2. Click OK.  
3. Create self-signed certificate generates and installs a certificate which will be  
displayed under Installed Certificate.  
Create Certificate Request generates a PEM formatted request which you copy  
and send to a CA for signing. When the signed certificate is returned, click Install  
signed certificate... to install the certificate in the AXIS 243SA.  
4. Set the HTTPS Connection Policy for the administrator, Operator and Viewer to  
enable HTTPS connection (set to HTTP by default)  
Please refer to the home page of your preferred CA for information on where to send the  
request. For more information, please see the online help  
.
802.1x - Network Admission Control  
IEEE 802.1x is an IEEE standard for port-based Network Admission Control. It provides  
authentication to devices attached to a network port (wired or wireless), establishing a  
point-to-point connection, or, if authentication fails, preventing access on that port.  
802.1x is based on EAP (Extensible Authentication Protocol).  
In a 802.1x enabled network switch, clients equipped with the correct software can be  
authenticated and allowed or denied network access at the Ethernet level.  
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AXIS 243SA - System options  
48  
Clients and servers in an 802.1x network may need to authenticate each other by some  
means. In the Axis implementation this is done with the help of digital certificates  
provided by a Certification Authority. These are then validated by a third-party entity,  
such as a RADIUS server, examples of which are Free Radius and Microsoft Internet  
Authentication Service.  
To perform the authentication, the RADIUS server uses various EAP methods/protocols, of  
which there are many. The one used in the Axis implementation is EAP-TLS  
(EAP-Transport Layer Security).  
The AXIS network video device presents its certificate to the network switch, which in turn  
forwards this to the RADIUS server. The RADIUS server validates or rejects the certificate  
and responds to the switch, and sends its own certificate to the client for validation. The  
switch then allows or denies network access accordingly, on a preconfigured port.  
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AXIS 243SA - System options  
49  
The authentication process  
Axis video device  
Certificate  
Q: Certificate OK?  
A: OK  
3
2
Q: Certificate OK?  
A: OK  
Network  
switch  
1
4
Certificate  
Authority (CA)  
RADIUS  
server  
Certificate  
Protected network  
1. A CA server provides the required signed certificates.  
2. The Axis video device requests access to the protected network at the network switch.  
The switch forwards the video device’s CA certificate to the RADIUS server, which then  
replies to the switch.  
3. The switch forwards the RADIUS server’s CA certificate to the video device, which  
also replies to the switch.  
4. The switch keeps track of all responses to the validation requests. If all certificates are  
validated, the Axis video device is allowed access to the protected network via a  
preconfigured port.  
RADIUS  
RADIUS (Remote Authentication Dial In User Service) is an AAA (Authentication,  
Authorization and Accounting) protocol for applications such as network access or IP  
mobility. It is intended to work in both local and roaming situations.  
CA servers  
In cryptography, a Certification Authority (CA) is an entity that provides signed digital  
certificates for use by other parties, and thus acts a trusted third party.  
There are many commercial CAs that charge for their services. Institutions and  
governments may have their own CA, and there are free CAs available.  
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AXIS 243SA - System options  
50  
Date & time  
Current server time - displays the current date and time (24h clock). The time can be  
displayed in 12h clock format in overlay images.  
New server time - select your time zone from the drop-down list and check the daylight  
saving time changes, if desired.  
From the Time Mode section, select the preferred method to use for setting the time:  
• Synchronize with computer time - sets the time from the clock on your com-  
puter.  
• Synchronize with NTP Server - the video server will obtain the time from an  
NTP server every 60 minutes. Specify the NTP server's IP address or host name.  
Note: Note that if using a host name for the NTP server, a DNS server must be configured under TCP/IP settings.  
See Network > Advanced TCP/IP Settings below.  
• Set manually - this option allows you to manually set the time and date.  
Date & time format used in images - specify the formats for the date and time (12h or  
24h) displayed in the Live View video streams.  
Use the predefined formats or use your own custom date and time formats. See File  
Naming & Date/Time Formats in the online help  
for information on how to create  
your own date and time formats.  
Network - Basic TCP/IP settings  
IP Address Configuration  
Your Axis network camera supports both IP version 4 and IP version 6. Both versions may  
be enabled simultaneously, and at least one version must always be enabled.  
When using IPv4, the IP address can be set automatically via DHCP, or a static IP address  
can be set manually.  
If IPv6 is enabled, your camera will receive an IP address according to the configuration in  
the network router.  
There are also options for setting up notification of changes in the IP address, and for  
using the AXIS Internet Dynamic DNS Service. For more information on setting the IP  
address, please see the online help.  
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AXIS 243SA - System options  
51  
Notes:  
• DHCP is a protocol for automatic IP address assignment on a network. IP address assignment via DHCP may  
lead to the situation where the IP address changes and you lose contact with the camera. Configure the  
options for notification of IP address change (under Services) to receive notification from the camera when  
the IP address changes.  
• Alternatively, if your DHCP server can update a DNS server, you can access the AXIS 243SA by host name  
which is always the same, regardless of the IP address.  
Services  
Enable ARP/Ping setting of IP address - The IP address can be set using the ARP/Ping  
method, which associates the unit's MAC address with an IP address. Check this box to  
enable the service. Leave disabled to prevent unintentional resetting of the IP address.  
Notes: • The ARP/Ping service is automatically disabled 2 minutes after the unit is started, or as soon as an IP address  
is set.  
• Pinging the unit will still be possible when this service is disabled.  
Options for notification of IP address change - DHCP is a protocol for automatic IP  
address assignment on a network. IP address assignment via DHCP may lead to the IP  
address changing and you lose contact with the camera. Configure the options for  
notification of IP address change (under Services) to receive notification from the camera  
when the IP address changes.  
AXIS Internet Dynamic DNS Service - The AXIS Internet Dynamic DNS Service can  
provide your Axis product with its own URL (web address), which can then be used to  
access it over the Internet. The product can be unregistered from the service at any time. To  
do this click Settings... and follow the instructions. For more information, please refer to  
the online help  
.
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AXIS 243SA - System options  
52  
Network - Advanced TCP/IP settings  
DNS configuration  
DNS (Domain Name Service) provides the translation of host names to IP addresses on  
your network.  
Obtain DNS server address via DHCP - automatically use the DNS server settings provided  
by the DHCP server. Click the View button to see the current settings.  
Use the following DNS server address - enter the desired DNS server by specifying the  
following:  
Domain name - enter the domain(s) to search for the host name used by the Axis video  
server. Multiple domains can be separated by semicolons (;). The host name is always the  
first part of a Fully Qualified Domain Name, for example, myserver is the host name in the  
Fully Qualified Domain Name myserver.mycompany.com where mycompany.com is the  
Domain name.  
DNS servers - enter the IP addresses of the primary and secondary DNS servers.  
NTP Configuration  
Obtain NTP server address via DHCP - use a DHCP server to automatically find an NTP  
server to synchronize clock of the Axis video server with the other devices on the network.  
Use the following NTP server address - use the host name or IP address of a specific NTP  
server for time synchronization.  
Host name configuration  
The AXIS 243SA can be accessed using a host name, instead of an IP address. The host  
name is usually the same as the assigned DNS Name.  
For more information, please see the online help  
.
Link-Local IPv4 Address  
This is enabled by default and assigns the AXIS 243SA an additional IP address for use  
with UPnP™. AXIS 243SA can have both a Link-Local IP and a static or DHCP-supplied IP  
address at the same time - these will not affect each other.  
HTTP  
The default HTTP port number (80) can be changed to any port within the range  
1024-65535. This is useful for simple port mapping, for example.  
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AXIS 243SA - System options  
53  
HTTPS  
The default HTTPS port number (443) can be changed to any port within the range  
1024-65535. This is useful for simple port mapping among other things.  
NAT traversal  
Use NAT traversal when your video server is located on an intranet and you want to make  
it available from the other side of a NAT router.  
FTP  
The FTP server running in the Axis video server enables the upload of new firmware, and  
user applications. Check the box to enable the service.  
RTSP  
The RTSP protocol allows a connecting client to start an MPEG-4 stream. Check the box to  
enable the RTSP server and enter the RTSP port number to use. The default setting is 554,  
and the allowed port range is 1024-65535. Note that MPEG-4 streams will not be available  
if this is not enabled.  
Network traffic  
Connection type - the default setting is Auto-negotiate which means that the correct  
speed is automatically selected. If necessary, you can set the connection speed by selecting  
it from the drop-down list.  
Maximum bandwidth - Specify, in Mbit/s or kbit/s, the maximum bandwidth that the  
video server is allowed to use on your network. This is a useful function when connecting  
your video server to busy or heavily loaded networks. The default setting is Unlimited.  
Note: When using MPEG-4 as the video format, remember that setting a maximum bandwidth value here may  
create problems for individual video streams if the maximum value is less than the sum of the bit rates set  
for the video streams.  
For more information, please see the online help  
.
SOCKS  
SOCKS is a networking proxy protocol. The Axis video server can be configured to use a  
SOCKS server to reach networks on the other side of a firewall/proxy server. This  
functionality is useful if the video server is located on a local network behind a firewall,  
but notifications, uploads, alarms, and such need to be sent to a destination outside the  
local network (such as the Internet).  
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AXIS 243SA - System options  
54  
QoS (Quality of service)  
Quality of Service (QoS) provides the means to guarantee a certain level of a specified  
resource to selected traffic on a network. Quality can be defined as a maintained level of  
bandwidth, low latency, and no packet losses. The main benefits of a QoS-aware network  
are:  
• The ability to prioritize traffic and thus allow critical flows to be served before  
flows with lesser priority.  
• Greater reliability in the network, thanks to the control of the amount of band-  
width an application may use, and thus control over bandwidth races between  
applications.  
The QoS in Axis network video products marks the data packets for various types of  
network traffic originating from the product. This makes it possible for network routers  
and switches to reserve a fixed amount of bandwidth for these types of traffic. The  
following types of traffic are marked:  
• live video  
• live audio  
• event/alarm traffic  
• management network traffic.  
QoS Settings  
For each type of network traffic supported by your Axis network video product, enter a  
DSCP (Differentiated Services Codepoint) value. This value is used to mark the traffic’s IP  
header. When the marked traffic reaches a network router or switch, the DSCP value in the  
IP header tells the router or switch which type of treatment to apply to this type of traffic,  
for example, how much bandwidth to reserve for it.  
Note that DSCP values can be entered in decimal or hex form, but saved values are always  
shown in decimal.  
For more information on Quality of Service, please see the Axis support web at  
www.axis.com/techsup  
SMTP (email)  
Enter the host names or addresses for your primary and secondary mail servers in the  
fields provided, to route event and error email messages from the video server to  
predefined addresses, via SMTP.  
If the mail server requires SMTP authentication, check the box for Use authentication to  
log in to this server and enter the user name and password used for logging in. Several  
different methods of authentication are available. See the online help for more  
information.  
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AXIS 243SA - System options  
55  
SNMP  
The Simple Network Management Protocol (SNMP) allows the remote management of  
network devices. Select the version of SNMP to use, depending on the level of security  
required. Select the version of SNMP to use, by checking the appropriate box. The three  
levels of security are:  
• SNMP V1 - includes no security  
• SNMP V2c - uses very simple security, for example, community name as pass-  
word  
• SNMP V3 - provides encryption and secure passwords. Use with HTTPS.  
If using V1 and V2c, enter the community name for read-only access to all supported  
SNMP objects (except the root password and other objects that require write access).  
Default value = public. You can also specify the community name for read/write access to  
all supported SNMP objects (except read-only objects). Default value = pass.  
If using HTTPS enter the password if it has not already been set. To set the password again,  
the Axis video server must be reset to the factory default settings.  
UPnP™  
The video server includes support for UPnP™. UPnP™ is enabled by default, and the video  
server then is automatically detected by operating systems and clients that support this  
protocol.  
Note: UPnP™ must be installed on your workstation if running Windows XP. To do this, open the Control Panel  
from the Start Menu and select Add/Remove Programs. Select Add/Remove Windows Components and  
open the Networking Services section. Click Details and then select UPnP™ as the service to add.  
RTP (Multicast)/MPEG-4  
These settings are the IP address, port number, and Time-To-Live value to use for the  
media stream(s) in multicast MPEG-4 format. Only certain IP addresses and port numbers  
should be used for multicast streams. For more information, please see the online help.  
Bonjour  
Your Axis network camera includes support for Bonjour. When enabled, the camera is  
automatically detected by operating systems and clients that support this protocol.  
Ports & devices  
I/O Ports - the pinout, interface support and the control and monitoring functions  
provided by this connector are described in Unit connectors, on page 60.  
RS232 - The COM port RS-232 on the AXIS 243SA supports several operational modes  
listed on this page. For more information, please see COM ports RS-232 and RS-485, on  
page 62.  
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AXIS 243SA - System options  
56  
RS485 - The COM ports on the AXIS 243SA supports several operational modes listed on  
this page. For more information, please see COM ports RS-232 and RS-485, on page 62.  
Maintenance  
• Restart - The unit is restarted without changing any of the settings. Use this method if  
the unit is not behaving as expected.  
• Restore - The unit is restarted and most current settings are reset to factory default val-  
ues. The settings that are not affected are:  
• the boot protocol (DHCP or static)  
• the static IP address  
• the default router  
• the subnet mask  
• the system time  
• Default - The default button should be used with caution. Pressing this will return all of  
the video server's settings to the factory default values (including the IP address)  
• Upgrade Server - See Upgrading the firmware, on page 64.  
• Backup - To take a backup of all of the parameters, and any user-defined scripts, click  
this button. If necessary, it is then possible to return to a previous configuration if set-  
tings are changed and there is unexpected behavior.  
• Restore - click the Browse button to locate the saved backup file (see above) and then  
click the Restore button. The settings will be restored to the previous configuration.  
Note: Backup and Restore can only be used on the same unit running the same firmware. This feature is not  
intended for multi-configurations or for firmware upgrades.  
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AXIS 243SA - System options  
57  
Support  
Support Overview  
The support overview page provides valuable information on troubleshooting and contact  
information, should you require technical assistance.  
System Overview  
The System Overview provides a summary of the status of the video server.  
Logs & Reports  
When contacting Axis support, please be sure to provide a valid Server Report with your  
query. The Access Log is automatically included in the server report.  
Information  
This page gives you access to the following log files and reports that may prove useful  
when troubleshooting a problem or when contacting the Axis support web.  
System Log -Provides information about system events.  
Access Log - The Access Log may be used for various purposes:  
• Security - Tracking all access to your the camera. The access log lists the IP  
addresses, users and networking protocols used to access the camera.  
• Simple web attraction tracker.  
• System analysis and trouble shooting.  
Server Report - Provides information about the server status and should always be  
included when requesting support.  
Parameter List - Shows the unit's parameters and their current settings.  
Connection List - Lists all clients that are currently accessing video and audio. It is also  
used for system analysis and trouble shooting.  
Configuration  
From the drop-down list, select the level of information to be added to the System and  
Access Log files.  
The default information level for the Access Log is set to Critical & Warnings. However, in  
an error situation and when requesting support, set it to the lowest information level  
Critical & Warnings & Info.  
For Log Level for Email, select the level of information from the drop-down list to send as  
email and enter the destination email address.  
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AXIS 243SA - System options  
58  
Advanced  
Scripting is an advanced function that provides the possibility to customize and use  
scripts. This function is a very powerful tool.  
Caution!  
Improper use may cause unexpected behavior or even cause loss of contact with the  
unit. If a script does cause problems, reset the unit to its factory default settings. A  
backup file may be of use to return the unit to its latest configuration).  
Axis strongly recommends that you do not use this function unless you fully  
understand the consequences. Note that Axis support does not provide assistance for  
problems with customized scripts.  
For more information, please visit the Developer pages at www.axis.com/developer  
Plain Config - this function is for the advanced user with experience of Axis video  
server configuration. All parameters can be set and modified from this page,  
including the audio encoding format. Help is available from the standard help pages.  
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AXIS 243SA - System options  
59  
Resetting to the factory default settings  
To reset the AXIS 243SA to the original default settings, go to the System Options >  
Maintenance web page (described in Maintenance, on page 56) or use the control button  
on the Axis video server, as described below:  
Using the Control Button  
Follow the instructions below to reset the AXIS 243SA to the factory default settings using  
the Control Button.  
1. Switch off the Axis video  
server by disconnecting  
power.  
Control button  
2. Press and hold the Control  
Button while reconnecting the  
power.  
3. Keep the Control button  
pressed until the Status  
Status indicator  
Indicator displays yellow (this  
may take up to 15 seconds).  
4. Release the Control Button.  
5. When the Status Indicator changes to Green (may take up to 1 minute), the  
process is complete and the Axis video server has been reset.  
6. Re-install the Axis video server, as described in the Installation Guide.  
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AXIS 243SA - Unit connectors  
60  
Unit connectors  
The following connectors are described in this section:  
• The D-Sub connector, on page 60  
• The I/O terminal connector, on page 61  
• COM ports RS-232 and RS-485, on page 62  
• Y/C to BNC cable, on page 63  
The D-Sub connector  
The Axis video server provides one 9-pin D-Sub connector, providing the physical  
interface for an RS-232 port, used for connecting accessory equipment; such as standalone  
PTZ devices for the remote control of connected video cameras.  
Pin assignment table and pinout of the RS-232 connector:  
Pin  
1
Function  
CD  
2
- RXD  
- TXD  
DTR  
GND  
DSR  
RTS  
CTS  
RI  
3
1
2
3
4
5
4
5
6
7
8
9
6
7
8
9
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AXIS 243SA - Unit connectors  
61  
The I/O terminal connector  
This section describes the pinout and interface support provided by the 12-pin I/O terminal  
connector, which includes:  
• 4 digital transistor outputs  
• 4 digital inputs  
• an RS-485 interface  
• auxiliary power and GND  
The terminal connector is used in applications for motion detection, event triggering, time  
lapse recording, alarm notification via email, and image storage to FTP locations, for  
example.  
• Inputs - Example: a push button. If the button is pressed, the state changes, and  
the input will be active (shown under Event Configuration > Port Status).  
• Outputs - Example: an alarm device that can be activated from Output buttons on  
the Live View page or as an action to an Event Type. The output will show as  
active (in Event Configuration > Port Status), if the device is activated.  
Pin  
Function  
Description  
1
Auxiliary DC Power Input  
7-20 VDC/min 8W. Electrically connected in parallel with the power  
connector, this provides an auxiliary connection for mains power to  
the unit. If the product is powered via this pin, use a fuse (rating: 1A  
Slow).  
This pin can also be used to power auxiliary equipment, 9vDC max  
100mA.  
2
GND  
Ground  
3
Digital Input 1  
Digital Input 2  
Digital Input 3  
Digital Input 4  
Transistor Output  
Transistor Output  
Transistor Output  
Transistor Output  
Connect to GND to activate or leave floating (or unconnected) to  
deactivate.  
4
5
6
7
With a maximum load of 100mA and maximum voltage of 24V DC, this  
output has an open-collector NPN transistor with the emitter  
connected to pin 2 (GND). If it is to be used with an external relay, a  
diode must be connected in parallel with the load for protection  
against any voltage transients.  
8
9
10  
11  
12  
RS-485 - A (non-inverting)  
RS-485 - B (inverting)  
A half-duplex RS-485 interface for controlling auxiliary equipment,  
PTZ devices, for example.  
The Axis video server includes one (green) 12-pin connector block. Connect input/output  
devices to this block:  
1. Loosen the corresponding screw on top of the pin on the connector block (see the  
table above to determine which pin to use).  
2. Push the cable into the connector block and secure it by fastening the screw.  
3. Once all devices are connected, connect the connector block to the video server’s  
terminal connector.  
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AXIS 243SA - Unit connectors  
62  
Schematic diagram - I/O terminal connector  
Switch  
3.3V  
+
Mode  
o
Power  
Supply  
Power adapter (9W)  
z
o
o
1
e.g. push button  
GND 2  
o
o
o
o
z
Relay  
3
4
5
o
o
o
Device  
oo  
6
7
o
o
z
z
8
o
9
o
z
10  
o
A
B
11  
12  
o
o
o
RS-485  
zGND PIN 5  
RS-232  
D-SUB  
Axis video server  
z
COM ports RS-232 and RS-485  
The COM Ports RS-232 and RS-485 support several operational modes:  
• Generic TCP/IP - enables the video server to receive status/data and send com-  
mands via TCP/IP  
• Generic HTTP - enables the video server to receive status/data and send com-  
mands via HTTP  
• Pan Tilt Zoom (PTZ) - for controlling a PTZ device. A PTZ device requires a  
driver for its function. Drivers can be obtained from www.axis.com. Please see  
page 38 for information on how to connect PTZ devices.  
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AXIS 243SA - Unit connectors  
63  
Y/C to BNC cable  
AXIS 243SA supports conversion from Y/C (S-video) to composite video using an Y/C to  
BNC cable. The cable is available as an accessory - see the Axis Web site at:  
www.axis.com. Follow these instructions to connect the Y/C to BNC cable:  
1. Connect the BNC connector marked IN to the Video In connector on the video  
server.  
2. Connect the BNC connector marked OUT to the Video OUT connector on the  
video server.  
3. Connect the Y/C connector to the Y/C video unit (S-video).  
4. Set the DIP switches on the front panel of the unit to 1=ON, 2=ON, 3=OFF,  
4=OFF.  
5. Go to AXIS 243SA web pages under Setup > Video & Image > Video Source and  
select Y/C (S-video) from the Physical connector drop-down list.  
One female MiniDin 4-pol connector  
split into two BNC connectors  
Below is a description of how the cable can be assembled using standard components:  
1. Use two male BNC connectors and one female 4-pole  
The pins on the  
MiniDin connector.  
MiniDin connector  
2. Connect pin 1, 2 and shield on the MiniDin connector to  
the shield on the two BNC connectors.  
3. Connect pin 3 (Y) on the MiniDin connector to centre pin  
on one of the male BNC connectors, mark this BNC  
connector with IN.  
4. Connect pin 4 (C) on the MiniDin connector to centre pin  
on the other male BNC connector, mark this BNC connector  
with OUT.  
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AXIS 243SA - Troubleshooting  
Troubleshooting  
Checking the firmware  
64  
Firmware is software that determines the functionality of the Axis video server. One of  
your first actions when troubleshooting a problem should be to check the currently  
installed version. The latest version may contain a correction that fixes your particular  
problem. The current firmware version in your Axis video server can be seen under Setup  
> Basic Configuration.  
Upgrading the firmware  
When you download firmware from the Axis Web site, your Axis product will receive the  
latest available functionality. Always read the upgrade instructions and release notes  
available with each new release, before updating the firmware.  
New firmware can be downloaded to the Axis video server over the network.  
Note: Pre-configured and customized settings will be retained for use when the new firmware is running (pro-  
vided the features are available in the new firmware) although this is not guaranteed by Axis Communica-  
tions.  
1. Save the firmware file to your computer. The latest version of the Axis video  
server firmware is available free of charge from the Axis Web site at  
www.axis.com/techsup or from your local distributor.  
2. Go to Setup > System Options > Maintenance in the video server’s Web pages.  
3. In the Upgrade Server section and browse to the desired firmware file on your  
computer. Click Upgrade.  
Notes: Always read the upgrade instructions available with each new release, before updating the firmware.  
After starting the process, you should always wait at least 20 minutes before restarting the Axis video  
server, even if you suspect the procedure has failed.  
Your dealer reserves the right to charge for any repair attributable to faulty updating by the user.  
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AXIS 243SA - Troubleshooting  
65  
Emergency recovery procedure  
If power or the network connection to the Axis video server is lost during the upgrade, the  
process will fail and the unit will become unresponsive. A flashing red Status LED indicates  
a failed upgrade. To recover the unit, follow the steps below. The serial number is found on  
the underside label on the product casing.  
1. UNIX/Linux - From the command line, type the following:  
arp -s <IP address of Axis video server> <Serial number> temp  
ping -s 408 <IP address of Axis video server>  
Windows - From a command/DOS prompt, type the following:  
arp -s <IP address of Axis video server> <Serial number>  
ping -l 408 -t <IP address of Axis video server>  
2. If the unit does not reply within a few seconds, restart it and wait for a reply. Press  
CTRL+C to stop Ping.  
3. Open a web browser and type in the Axis video server’s IP address. In the page that  
appears, use the Browse button to select the file (for example, axis243sa.bin). Then  
click the Load button to restart the upgrade process.  
4. After the upgrade is complete (1-10 minutes), the unit will automatically restart and  
show a steady green on the Power and Status LEDs and flashing green or amber on the  
Network LED.  
5. Reinstall the Axis video server.  
If the emergency recovery procedure does not get the Axis video server up and running  
again, please contact Axis support at www.axis.com/techsup/  
Support  
If you contact Axis support, please help us help you resolve your problems expediently by  
providing a server report, log file and a brief description of the problem.  
Server Report - go to Setup > System Options > Support Overview. The server report  
contains important information about the server and its software, as well as a list of the  
current parameters.  
Log file - go to Setup > System Options > Logs & Reports. The Log file records events  
within the unit since the last restart of the system and can prove a useful diagnostic tool  
for troubleshooting.  
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AXIS 243SA - Troubleshooting  
66  
Symptoms, Possible Causes and Remedial Actions  
Problems setting the IP address  
Using ARP/Ping  
The IP address must be set within two minutes after power has been applied to the video  
server.  
Restart the server and try again. Ensure also the ping length is set to 408. (See the Axis video  
server Installation Guide)  
The video server is located on a If the IP address intended for the Axis video server and the IP address of your computer are  
different subnet.  
located on different subnets, you will not be able to set the IP address. Contact your network  
administrator for an IP address on the same subnet as the computer you are performing the  
installation from.  
The IP address is being used by Disconnect power from the Axis video server.  
another device Run the Ping command (in a Command/DOS window, type ping <IP address of unit>  
If you receive: Reply from <IP address>: bytes = 32; time = 10 ms..... - this means that the IP  
address may already be in use by another device on your network. You must obtain a new IP  
address and reinstall the unit.  
If you receive: Request timed out - this means that the IP address is available for use with your  
video server. In this case, check all cabling and reinstall the unit.  
The Axis video server cannot be accessed from a web browser  
Cannot log in If the Axis video server has been configured to use HTTPS, check that the protocol in the URL  
used to access the unit is correct. You may need to type this in manually (i.e. http or https) in  
the browser’s address field.  
The IP address has been changed 1) Move the Axis video server to an isolated network or to one with no DHCP or BOOTP server.  
by DHCP  
Set the IP address again, using the ARP Ping command.  
2) Access the unit and disable BOOTP and DHCP in the TCP/IP settings. Return the unit to the  
main network. The unit now has a fixed IP address that will not change.  
3) As an alternative to 2), if dynamic IP address via DHCP or BOOTP is required, select the  
required service and then configure IP address change notification from the network settings.  
Return the unit to the main network. The unit will now have a dynamic IP address, but will  
notify you if the address changes.  
Other networking problems  
Test the network cable by connecting it to another network device, then Ping that device from  
your workstation. See instructions above.  
Cannot send notifications, uploads, alarms, etc, to a destination outside the local network  
Firewall protection The video server can be configured to use a SOCKS server to reach networks on the other side  
of a firewall/proxy server  
Your Axis video server is accessible locally, but not externally  
Firewall protection  
Check the Internet firewall with your system administrator.  
Check if you need to configure the default router settings.  
Default routers required  
The Internet site is too heavily Use a script on your web server to relay images from the Axis video server to the Internet.  
loaded  
The Power indicator is not constantly lit  
Faulty power supply  
Verify that you are using the correct power adapter.  
The Status indicator is flashing red and the server is inaccessible  
A firmware upgrade has been  
A rescue firmware is running in the product. First, set the IP address using AXIS IP utility or ARP  
interrupted or the firmware has and Ping, (See the Axis video server Installation Guide). Then, using a web browser, access the  
been damaged in some other  
way.  
unit and download the latest firmware to the product, see Upgrading the firmware, on page 64.  
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AXIS 243SA - Troubleshooting  
67  
No images displayed in the Web interface  
Problem with AMC  
(Internet Explorer only)  
To enable the updating of images in Microsoft Internet Explorer, set your browser to allow  
ActiveX controls. Also, make sure that AXIS Media Control (AMC) component is installed on  
your workstation.  
Installation of additional ActiveX Configure your Axis video server to use a Java applet for updating the images under  
component restricted or prohib- Live View Config > Layout > Default Viewer for Internet Explorer. See the online help for more  
ited  
information.  
Video Image Problems  
Image too dark or too light.  
Check that the termination DIP switch for the video source is set to the correct position. See  
also the online help on Video Source Settings  
Black borders around the video Adjust the X and/or Y offset, in the Video Source Settings. See the online help for information.  
image  
Problems uploading own files  
Missing images in uploads  
Slow image update  
There is only limited space available for the upload of your own files. Try deleting one or more  
existing files, to free up space  
This can occur when trying to use a larger image buffer than is actually available. Try lowering  
the frame rate or the upload period.  
Configuring e.g. pre-buffers, motion detection, high resolution images, high frame rates, etc.,  
will reduce the performance of the video server.  
Slow performance  
Slow performance may be caused by e.g. heavy network traffic, multiple users accessing the  
unit, low performance clients, use of features such as Motion Detection, Event handling, Image  
rotation.  
Bad snapshot images  
Display incorrectly configured on In Display Properties, configure your display to show at least 65000 colors, i.e. at least 16-bit.  
your workstation  
Using only 16 or 256 colors on your display will produce dithering artifacts in the image.  
Incorrect exposure in images  
Incorrect line termination  
If the Axis video server is to be connected in loop through with other equipment, disable the  
input termination by turning the corresponding DIP switch to OFF.  
Problems with the MPEG-4 format  
Lower frame rate than expected. Check with the administrator that there is enough bandwidth available. Check also the settings  
for bit rate control, in the Video & Image > Advanced > MPEG-4 settings. Using an inappro-  
priate video object type can also affect the frame rate. See the online help for more informa-  
tion.  
Check in the AMC control panel applet (MPEG-4 tab) that video processing is not set to Decode  
only I frames.  
Lower the image resolution.  
Reduce the number of applications running on the client computer.  
No MPEG-4 displayed in the  
client.  
Check that the correct network interface is selected in the AMC control panel applet (network  
tab).  
Check that the relevant MPEG-4 connection methods are enabled in the AMC control panel  
applet (network tab).  
In the AMC control applet, select the MPEG-4 tab and click the button Set to default MPEG-4  
decoder.  
No multicast MPEG-4 displayed Check with your network administrator that the multicast addresses used by the  
in the client.  
Axis video server are valid for your network.  
Check with your network administrator to see if there is a firewall preventing viewing.  
Multicast MPEG-4 only accessi- Check if your router supports multicasting, or if the router settings between the client and the  
ble by local clients.  
server need to be configured. The TTL (Time To Live) value may need to be increased.  
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AXIS 243SA - Troubleshooting  
68  
Poor rendering of MPEG-4  
images.  
Color depth set incorrectly on clients. Set to 16-bit or 32-bit color.  
If text overlays are blurred, or if there are other rendering problems, you may need to enable  
Advanced Video Rendering. This is done on the MPEG-4 tab in the AMC control panel applet.  
Ensure that your graphics card is using the latest device driver. The latest drivers can usually be  
downloaded from the manufacturer's web site.  
Color saturation is different in Modify the settings for your graphics adapter. Please see the adapter's documentation for more  
MPEG-4 and Motion JPEG.  
information.  
No audio  
Incorrect setup.  
Check that the sound card in the PC and the connections to the speaker and microphone are  
working. Ensure that the mute button is not pressed and the volume settings are correct.  
Ensure that full-duplex is selected if you want to have two way audio communication.  
Post Content Length in proxy  
server.  
The Post Content Length set in the proxy server is too low. Set the value of the Post Content  
Length in your proxy server to 1MB or more. You may need to contact your system administra-  
tor to do this.  
Full duplex not supported.  
Firewall or router settings.  
Sound card does not support full-duplex. For information on how to check if your sound card  
supports full-duplex, please visit http://support.microsoft.com  
AXIS 243SA works locally, but not externally. Check the Internet firewall settings with your  
system administrator or reconfigure the default router settings.  
DC power not enabled for micro- If the microphone has a built-in amplifier then DC power must be enabled on the Audio Set-  
phone.  
tings page.  
Audio volume too low/high  
Volume settings incorrect.  
The volume of the microphone or speaker connected to the AXIS 243SA is either too high or too  
low. Change the volume for the speaker or microphone in the Live View page.  
Input and output gain set incor- Change the input gain for the microphone and the output gain for the speaker to adjust the  
rectly.  
audio levels on the Audio Settings page.  
Poor audio quality  
Too many users.  
Too many users/clients listening to audio from the AXIS 243SA may adversely affect the sound  
quality.  
User too close to microphone.  
Feedback from speaker.  
Background noise.  
Enable the speech filter in Audio > Advanced Settings.  
Enable the echo cancellation filter in Audio > Advanced Settings.  
Adjust the noise cancellation threshold and attenuation to reduce background noise levels in  
Audio > Advanced Settings.  
CPU overloaded.  
Reduce the number of listeners and viewers and decrease the image resolution and compres-  
sion.  
For additional assistance, please contact your reseller or check the product’s support pages  
on the Axis website at www.axis.com/techsup  
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AXIS 243SA - Technical specifications  
69  
Technical specifications  
Item  
Specification  
Models  
• AXIS 243SA: One video channel, two-way audio  
* Also available as Blade versions for Axis Video Rack Solution  
Video compression  
Resolutions  
• Motion JPEG  
• MPEG-4 Part 2 (ISO/IEC 14496-2)  
• Profiles: ASP and SP  
• Resolutions 4CIF, 2CIFExp, 2CIF, CIF, QCIF  
• max 704x480 (NTSC) 704x576 (PAL)  
• min 176x120 (NTSC) 176x144 (PAL)  
Frame rate  
(NTSC/PAL)  
• Motion JPEG: Up to 30/25 fps in all resolutions  
• MPEG-4: Up to 30/25 fps in all resolutions  
Video streaming  
• Simultaneous Motion JPEG and MPEG-4  
• Controllable frame rate and bandwidth  
• Constant and variable bit rate (MPEG-4)  
Image settings  
• Compression levels: 11 (Motion JPEG) /23 (MPEG-4)  
• Rotation: 90º, 180º, 270º  
• Aspect ratio correction  
• Color: color, black & white  
• Overlay capabilities: time, date, text, image or privacy mask  
• De-interlace filter  
Pan/Tilt/Zoom  
• Wide range of analog PTZ cameras supported*  
• 20 presets/camera  
• Guard tour  
• PTZ control queue  
• Supports Windows compatible joysticks  
*Drivers available for download at www.axis.com  
Audio  
• Two-way (full or half duplex) or one-way  
• Mono output (line level), mono input (mic/lin)  
• Audio compression: G.711 PCM 64kbit/s, G.726 ADPCM 32 or 24 kbit/s.  
Security  
• Multiple user access levels with password protection  
• IP address filtering and HTTPS encryption  
• IEEE 802.1X authentication  
Alarm and event  
management  
• Events triggered by video motion detection, audio detection, tampering detection,  
external input, PTZ presets, product restart, video loss, or according to a schedule,  
• Image upload over FTP, email, HTTP  
• Notification over TCP, email, HTTP and external output  
• 9 MB of pre- and post alarm buffer (approx. 4 min of CIF resolution video at 4 fps)  
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AXIS 243SA - Technical specifications  
70  
Item  
Specification  
Connectors  
• Analog composite video, PAL/NTSC auto-sensing input  
• 1 BNC input,  
• 1 BNC output (loopthrough) or Y/C video input  
• RJ-45 for Ethernet 10BaseT/100BaseTX  
• Terminal block for 4 alarm inputs, 4 outputs, RS-485 half duplex port and alternative  
power connection  
• D-sub for RS-232 port  
• 3.5 mm jack for Mic or Line mono input  
• 3.5 mm jack for Line mono output  
Casing  
• Metal casing. Standalone, stackable or with brackets for wall or cage mount  
Processors and memory  
• CPU: ETRAX 100LX  
• Video processing and compression: ARTPEC-2  
• RAM: 32 MB  
• Flash: 8 MB  
• Battery backed up real-time clock  
Power  
• 7 - 20 V DC, max 8 W  
Operating conditions  
• 5 - 50 ºC (41 - 122 ºF)  
• Humidity 20 - 80% RH (non-condensing)  
Installation, management • AXIS Camera Management tool on CD and web-based configuration  
and maintenance  
• Configuration of backup and restore  
• Firmware upgrades over HTTP or FTP, firmware available at www.axis.com  
Video access from Web  
browser  
• Camera live view for up to 20 clients,  
• Video recording to file (ASF),  
• Sequence tour for up to 20 PTZ presets or external Axis video sources  
• Customizable HTML pages  
Minimum Web browsing  
requirements  
• Pentium III CPU 500 MHz or higher, or equivalent AMD,128 MB RAM, DirectX 9  
compatible graphics board, Direct Draw  
• Windows XP, 2000, Internet Explorer 6.x or later  
• For other operating systems and browsers see www.axis.com/techsup  
System integration  
support  
• Open API for software integration, including VAPIX® from Axis Communications*,  
AXIS Media Control SDK*, event trigger data in video stream and access to serial  
port peripherals over HTTP  
• Quality of Service (QoS) Layer 3, DiffServ Model  
• Watchdog  
• Embedded Linux operating system  
* Available at www.axis.com  
Supported protocols  
• IPv4/v6, HTTP, HTTPS, SSL/TLS*, TCP, QoS, SNMPv1/v2c/v3 (MIB-II), RTSP, RTP, UDP,  
IGMP, RTCP, SMTP, FTP, ICMP, DHCP, UPnP, Bonjour, ARP, DNS, DynDNS, SOCKS,  
IEEE802.1X. More information on protocol usage available at www.axis.com  
*This product includes software developed by the Open SSL Project for use in the  
Open SSL Tool kit (www.openssl.org)  
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AXIS 243SA - Technical specifications  
71  
Item  
Specification  
Included accessories  
• Installation Guide,  
• CD with installation and management tools, software and User’s Manual,  
• Power supply 9 V DC,  
• mounting brackets,  
• connector kit,  
• licenses for 1 encoder and 1 decoder,  
• decoder software for Windows  
Video management  
software (not included)  
• AXIS Camera Station - Video management software for viewing, recording and  
archiving up to 25 cameras  
See www.axis.com/partner/adp_partners.htm for further software applications via  
partners  
Accessories (not included) • AXIS 295 Video Surveillance Joystick  
• Multi-user decoder license pack  
• Cable adapter Y/C to BNC  
Approvals  
• EN 55022 Class B  
• EN 61000-3-2,  
• EN 61000-3-3,  
• EN 55024,  
• FCC Part 15 Subpart B Class B,  
• ICES-003 Class B  
• VCCI Class B,  
• C-tick AS/NZS CISPR 22  
• EN 60950  
• Power supply: EN 60950, UL, cUL  
Dimensions (HxWxD) and • 42 x 140 x 155 mm (1.7” x 5.5” x 6.1”)  
weight  
• 540 g (1.2 lbs) excl. power supply  
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AXIS 243SA - Technical specifications  
72  
General performance considerations  
When setting up your system, it is important to consider how various settings and  
situations will affect performance. Some factors affect the amount of bandwidth (the bit  
rate) required, others can affect the frame rate, and some will affect both. If the load on the  
CPU reaches its maximum, this will also affect the frame rate.  
The following factors are among the most important to consider:  
• High image resolutions and/or lower compression levels result in larger images.  
Bandwidth affected.  
• Access by large numbers of Motion JPEG and/or unicast MPEG-4 clients. Band-  
width affected.  
• Simultaneous viewing of different streams (resolution, compression, etc.) by dif-  
ferent clients. Frame rate and bandwidth affected.  
• Accessing both Motion JPEG and MPEG-4 video streams simultaneously. Frame  
rate and bandwidth affected.  
• Heavy usage of event settings affects the CPU load. Frame rate affected.  
• Enabled motion detection. Frame rate and bandwidth affected.  
• Heavy network utilization due to poor infrastructure. Bandwidth affected.  
• Viewing on poorly performing client PC lowers perceived performance. Frame  
rate affected.  
• Access by large number of audio clients using full-duplex mode. Bandwidth  
affected.  
Optimizing your system  
To see the bandwidth and frame rate currently required by the video stream, the AXIS  
243SA provides a tool that can be used to display these values directly in the video image.  
To do this, special format strings are added as part  
of a text overlay. Simply add #r (average frame  
rate in fps) and/or #b (average bandwidth in Kbps)  
to the overlay.  
For detailed instructions, please see the online help  
for Video & Image > Overlay Settings, and the  
help for File Naming & Date/Time Formats.  
Important!  
•The figures displayed here are the values as delivered by the server. If other restrictions are  
currently in force, (e.g. bandwidth limitation) these values might not correspond to those  
actually received by the client.  
•For Motion JPEG, these values will only be accurate as long as no frame rate limit has been  
specified.  
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AXIS 243SA - Technical specifications  
73  
Frame rates - Motion JPEG  
The following test results show the frame rates in frames/second (fps) for Motion JPEG  
streams from the AXIS 243SA, using a compression level of 50%. Note that these values  
are guidelines only - actual values may vary.  
AXIS 243SA  
fps (NTSC/PAL)  
4CIF  
2CIF expanded  
2CIF  
30/25  
30/25  
30/25  
30/25  
30/25  
CIF  
QCIF  
Frame rates - MPEG-4  
The following test results show the frame rates in frames/second (fps) for MPEG-4 streams  
from the AXIS 243SA. Note that these values are guidelines only - actual values may vary.  
The MPEG-4 test conditions:  
• Compression level = 50%  
• Video Object Type = Advanced Simple  
• GOV structure = IP*  
AXIS 243SA  
fps (NTSC/PAL)  
4CIF  
2CIF expanded  
2CIF  
30/25  
30/25  
30/25  
30/25  
30/25  
CIF  
QCIF  
Note that setting the GOV structure to use “I-frames only” will increase the frame rate.  
Bandwidth  
As there are many factors affecting bandwidth, it is very difficult to predict the required  
amounts. The settings that affect bandwidth are:  
• the image resolution  
• the image compression  
• the frame rate  
• the MPEG-4 object type  
• the MPEG-4 GOV structure  
• the analog cameras connected to the video server  
• the audio settings  
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AXIS 243SA - Technical specifications  
74  
There are also factors in the monitored scene that will affect the bandwidth. These are:  
• the amount of motion  
• the image’s complexity  
• the lighting conditions  
For MPEG-4, if there is only limited bandwidth available, and if this is more important  
than the image quality, using a constant bit rate (CBR) is recommended. Use a variable bit  
rate (VBR) if the image quality needs to be maintained at a higher level. If supported on the  
network, consider also using MPEG-4 multicasting, as the bandwidth consumption will be  
much lower.  
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AXIS 243SA - Glossary  
75  
instead of an IP address to access the product from a web  
browser.  
Glossary  
Active Speaker - a speaker with a built-in power  
amplifier.  
AXIS IP Utility - A tool for discovering and setting IP  
addresses for Axis network devices. AXIS IP Utility is  
supplied free of charge by Axis.  
ActiveX - ActiveX is a standard that enables software  
components to interact with one another in a networked  
environment, regardless of the language(s) used to create  
them. Web browsers may come into contact with ActiveX  
controls, ActiveX documents, and ActiveX scripts.  
ActiveX controls are often downloaded and installed  
automatically as required.  
AXIS Camera Management - A powerful and efficient  
installation and management tool for Axis network video  
products. The tool can automatically find and set IP  
addresses, show connection status and manage firmware  
upgrades of multiple devices.  
Bitmap - A bitmap is a data file representing a  
rectangular grid of pixels. It defines a display space and  
color for each pixel (or "bit") in the display space. This  
type of image is known as a "raster graphic". GIFs and  
JPEGs are examples of image file types that contain  
bitmaps. Because a bitmap uses this fixed raster method,  
it cannot easily be rescaled without losing definition.  
Conversely, a vector graphic image uses geometrical  
shapes to represent the image, and can thus be quickly  
rescaled.  
AF (Autofocus) - A system by which the camera lens  
automatically focuses on a selected part of the subject.  
AMC (AXIS Media Control) - AMC is the ActiveX  
component required to view moving images from an Axis  
video device in Internet Explorer. The component is  
installed automatically on the viewing computer on first  
use. Once installed, AMC can be configured from  
Windows Control Panel.  
Analog video camera - The signal from an analog video  
camera is viewed directly on e.g. a monitor in the analog  
system, which depends on traditional analog cabling.  
Alternatively, the signal can be digitized with the use of a  
video server, and can then be made available over a data  
(IP) network.  
Bit rate - The bit rate (in kbit/s or Mbit/s) is often referred  
to as speed, but actually defines the number of bits/time  
unit and not distance/time unit.  
Bonjour - Also known as zero-configuration networking,  
Bonjour enables the automatic discovery of computers,  
devices, and services on IP networks. Bonjour allows  
devices to automatically discover each other without the  
need to enter IP addresses or configure DNS servers.  
Bonjour is developed by Apple Computer Inc.  
ARP (Address Resolution Protocol) - This protocol is used  
to associate an IP address to a hardware MAC address. A  
request is broadcast on the local network to discover the  
MAC address for an IP address.  
BOOTP (Bootstrap Protocol) - A protocol that can  
automatically configure a network device (give it an IP  
address). BOOTP is the basis for a more advanced network  
management protocol, the Dynamic Host Configuration  
Protocol (DHCP).  
ARTPEC-2 (Axis Real Time Picture Encoder) - A chip  
designed by Axis for image compression. ARTPEC  
supports a range of CCD and CMOS sensors, built-in  
functionality for sharpening, backlight compensation,  
noise reduction and white balance, support for multiple  
Motion-JPEG streams, support for MPEG-4 part 2, up to  
30 frames/second from 4 simultaneous video sources and  
real-time compression of up to 45 Megapixels/second.  
CCD (Charged Coupled Device) - This light-sensitive  
image device used in many digital cameras is a large  
integrated circuit that contains hundreds of thousands of  
photo-sites (pixels) that convert light energy into  
electronic signals. Its size is measured diagonally and can  
be 1/4", 1/3", 1/2" or 2/3".  
ASIC (Application Specific Integrated Circuit) - A circuit  
designed for a specific application, as opposed to a  
general purpose circuit, such as a microprocessor.  
CCTV (Closed Circuit Television) - A CCTV system is a  
closed/private video system, usually constructed with  
coaxial cabling, and used within a single building/group  
of buildings. It is used to visually monitor the location for  
security or industrial purposes. Video from the CCTV  
system can be recorded and viewed on-site or remotely.  
Aspect ratio - A ratio of width to height in images. A  
common aspect ratio used for television screens and  
computer monitors is 4:3. High-definition television  
(HDTV) uses an aspect ratio of 9:16.  
Autoiris (DC-Iris) - This special type of iris is electrically  
controlled by the camera, to automatically regulate the  
amount of light allowed to enter.  
CCTV video camera - A traditional CCTV video camera is  
an analog camera, available in both monochrome (black  
and white) and color. Cameras can be set in fixed  
positions or placed on "Pan/Tilt/Zoom" devices, which  
allow the camera to be maneuvered. Using a zoom lens  
provides a closer view of the object being viewed. CCTV  
analog video cameras can be viewed over a computer  
AVI (Audio Video Interleave) - A video format that  
supports simultaneous playback of audio and video.  
AXIS Internet Dynamic DNS Service - This free service  
provides an Axis network product with a unique DNS or  
domain name (URL address), which can then be used  
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AXIS 243SA - Glossary  
76  
network by using a video server.  
dB (Decibels) - A unit to measure sound level changes. A  
3dB change is the smallest level change we can hear. A  
3dB change is actually twice or half the audio power  
level. A gain of 0dB will leave the signal level unchanged.  
CGI (Common Gateway Interface) - A specification for  
communication between a web server and other (CGI)  
programs. For example, a HTML page that contains a form  
might use a CGI program to process the form data once it  
is submitted.  
DC-Iris - This special type of iris is electrically controlled  
by the camera, to automatically regulate the amount of  
light allowed to enter.  
CIF (Common Intermediate Format) - CIF refers to the  
analog video resolutions 352x288 pixels (PAL) and  
352x240 pixels (NTSC). See also Resolution.  
Decoder - See Video decoder.  
De-interlacing - See Interlacing.  
Client-server - Client-server describes the relationship  
between two computer programs in which one program,  
the client, makes a service request from another program,  
the server, which fulfils the request. Typically, multiple  
client programs share the services of a common server  
program. A web browser is a client program that requests  
services (the sending of web pages or files) from a web  
server.  
DHCP (Dynamic Host Configuration Protocol) - DHCP is  
a protocol that lets network administrators automate and  
centrally manage the assignment of Internet Protocol (IP)  
addresses to network devices in a network.  
DHCP uses the concept of a "lease" or amount of time that  
a given IP address will be valid for a computer. The lease  
time can vary, depending on how long a user is likely to  
require the network connection at a particular location.  
CMOS (Complementary Metal Oxide Semiconductor) - A  
CMOS is a widely used type of semiconductor that uses  
both negative and positive circuits. Since only one of the  
circuit types is on at any given time, CMOS chips require  
less power than chips using just one type of transistor.  
CMOS image sensors also allow processing circuits to be  
included on the same chip, an advantage not possible  
with CCD sensors, which are also much more expensive to  
produce.  
DHCP also supports static addresses for e.g. computers  
running web servers, which need a permanent IP address.  
DIP switch - A DIP switch is an electric switch that is  
packaged in a group in a standard dual in-line package  
(DIP).  
DNS (Domain Name System) - DNS is used to locate and  
translate Internet domain names into IP (Internet  
Protocol) addresses. A domain name is a meaningful and  
easy-to-remember name for an Internet address. For  
example the domain name www.example.com is much  
easier to remember than 192.0.34.166. The translation  
tables for domain names are contained in Domain name  
servers.  
Coaxial cable - Coaxial cable is the standard means of  
transmitting analog video in a CCTV system. Coaxial is  
also used by cable companies to distribute television in  
residential buildings.  
Codec - In communications engineering, a codec is  
usually a coder/decoder. Codecs are used in integrated  
circuits or chips that convert e.g. analog video and audio  
signals into a digital format for transmission. The codec  
also converts received digital signals back into analog  
format. A codec uses analog-to-digital conversion and  
digital-to-analog conversion in the same chip.  
Domain server - Domains can also be used by  
organizations that wish to centralize the management of  
their (Windows) computers. Each user within a domain  
has an account that usually allows them to log in to and  
use any computer in the domain, although restrictions  
may also apply. The domain server is the server that  
authenticates the users on the network.  
Codec can also mean compression/decompression, in  
which case it is generally taken to mean an algorithm or  
computer program for reducing the size of large files and  
programs.  
Duplex - See Full-duplex.  
DVR (Digital Video Recorder) - A DVR records analog  
video to a hard disk in digital format. Most DVRs use the  
MPEG-2 format for encoding analog video signals.  
Composite video - A type of video signal in which the  
red, blue and green signals (sometimes audio signals too)  
are mixed together.  
Encoder - See Video encoder.  
Ethernet - Ethernet is the most widely installed local area  
network technology. An Ethernet LAN typically uses  
special grades of twisted pair wires. The most commonly  
installed Ethernet systems are 10BASE-T and  
Compression - See Image Compression.  
Contrast - Defines the degree of difference between the  
lightest and darkest parts of an image or video stream.  
100BASE-T10, which provide transmission speeds up to  
10 Mbps and 100 Mbps respectively.  
Control unit - If a CCTV system has more than one  
camera, there must be a way to control the video signals  
going to recorders and monitors. There are three basic  
types of Video Control Unit: Multiplexer, Switch and  
Quad.  
ETRAX (Ethernet Token Ring AXIS) - The ETRAX chip is  
the cornerstone of Axis technology and the 'brain' in  
nearly all Axis products. A multipurpose Linux chip with  
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AXIS 243SA - Glossary  
77  
integrated Ethernet networking and extremely flexible I/O  
options.  
at the gateway, and a switch, which furnishes the actual  
path in and out of the gateway for a given packet.  
Factory default settings - These are the settings that  
originally applied for a device when it was first delivered  
from the factory. If it should become necessary to reset a  
device to its factory default settings, this will, for many  
devices, completely reset any settings that were changed  
by the user.  
GIF (Graphics Interchange Format) - GIF is one of the  
most common file formats used for images in web pages.  
There are two versions of the format, 87a and 89a.  
Version 89a supports animations, i.e. a short sequence of  
images within a single GIF file. A GIF89a can also be  
specified for interlaced presentation.  
Firewall - A firewall works as a barrier between networks,  
e.g. between a Local Area Network and the Internet. The  
firewall ensures that only authorized users are allowed to  
access the one network from the other. A firewall can be  
software running on a computer, or it can be a standalone  
hardware device.  
GOV (Group Of VOPs) - A group of VOPs is the basic unit  
of an MPEG-4 video stream. The GOV contains different  
types and numbers of VOPs (I-VOPs, P-VOPs) as  
determined by the GOV length and GOV structure. See  
also VOP.  
GOV length - The GOV length determines the number of  
images (VOPs) in the GOV structure.  
See also GOV and VOP.  
Fixed iris - See Autoiris.  
FTP (File Transfer Protocol) - FTP is an application  
protocol that uses the TCP/IP protocols, used to exchange  
files between computers/devices on networks.  
GOV structure - The GOV structure describes the  
composition of an MPEG-4 video stream, as regards the  
type of images (I-VOPs or P-VOPs) included in the stream,  
and their internal order. See also GOV and VOP.  
Frame - A frame is a complete video image. In the 2:1  
interlaced scanning format of the RS-170 and CCIR  
formats, a frame is made up of two separate fields of  
262.5 or 312.5 lines interlaced at 60 or 50 Hz to form a  
complete frame, which appears at 30 or 25 Hz. In video  
cameras with a progressive scan, each frame is scanned  
line-by-line and not interlaced; most are also displayed at  
30 and 25 Hz.  
Half-duplex - See Full-duplex.  
HTML (Hypertext Markup Language) - HTML is the set  
of "markup" symbols or codes inserted in a file intended  
for display in web browser. The markup tells the browser  
how to display the page's words and images for the user.  
HTTP (Hypertext Transfer Protocol) - HTTP is the set of  
rules for exchanging files (text, graphic images, sound,  
video, and other multimedia files) on the web. The HTTP  
protocol runs on top of the TCP/IP suite of protocols.  
Frame rate - The frame rate used to describe the  
frequency at which a video stream is updated is measured  
in frames per second (fps). A higher frame rate is  
advantageous when there is movement in the video  
stream, as it maintains image quality throughout.  
HTTPS (Hypertext Transfer Protocol over SSL) - HTTPS  
is a protocol used by web browsers and servers to encrypt  
and decrypt user page requests and the pages returned by  
the server. The encrypted exchange of information is  
governed by the use of an HTTPS certificate (issued by a  
Certificate Authority), which guarantees the authenticity  
of the server.  
Full-duplex - Transmission of data in two directions  
simultaneously. In an audio system this would describe  
e.g. a telephone systems. Half-duplex also provides  
bi-directional communication, but only in one direction  
at a time, as in a walkie-talkie system. See also Simplex.  
G.711 - The international standard for encoding  
telephone audio on a 64 kbps channel. It is a pulse code  
modulation (PCM) scheme operating at 8 kHz sample rate.  
Hub - A (network) hub is used to connect multiple devices  
to the network. The hub transmits all data to all devices  
connected to it, whereas a switch will only transmit the  
data to the device it is specifically intended for.  
G.726 - A frequently used speech-compression algorithm  
in telecommunications due to its high perceived speech  
quality and low resource requirements.  
IEEE 802.11 - A family of standards for wireless LANs.  
The 802.11a standard supports 1 or 2 Mbit/s transmission  
on the 5 GHz band. IEEE 802.11b supports data rates up  
to11 Mbit/s on the 2.4 GHz band, while 802.11g allows up  
to 54 Mbit/s on the 2.4 GHz band.  
Gain - Gain is the amplification factor and the extent to  
which an analog amplifier boosts the strength of a signal.  
Amplification factors are usually expressed in terms of  
power. The decibel (dB) is the most common way of  
quantifying the gain of an amplifier.  
Image compression - Image compression minimizes the  
file size (in bytes) of an image. Two of the most common  
compressed image formats are JPEG and GIF. See also  
MPEG and Motion JPEG.  
Gateway - A gateway is a point in a network that acts as  
an entry point to another network. In a corporate network  
for example, a computer server acting as a gateway often  
also acts as a proxy server and a firewall server. A  
gateway is often associated with both a router, which  
knows where to direct a given packet of data that arrives  
Interlacing - Interlaced video is video captured at 50  
pictures (known as fields) per second, of which every 2  
consecutive fields (at half height) are then combined into  
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AXIS 243SA - Glossary  
78  
1 frame. Interlacing was developed many years ago for  
the analog TV world and is still used widely today. It  
provides good results when viewing motion in standard  
TV pictures, although there is always some degree of  
distortion in the image.  
commonly used on the web. A JPEG image is a bitmap,  
and usually has the file suffix '.jpg' or ".jpeg." When  
creating a JPEG image, it is possible to configure the level  
of compression to use. As the lowest compression (i.e. the  
highest quality) results in the largest file, there is a  
trade-off between image quality and file size.  
To view interlaced video on e.g. a computer monitor, the  
video must first be de-interlaced, to produce progressive  
video, which consists of complete images, one after the  
other, at 25 frames per second. See also Progressive scan.  
kbit/s (kilobits per second) - A measure of the bit rate,  
i.e. the rate at which bits are passing a given point. See  
also Bit rate.  
IP (Internet Protocol) - The Internet Protocol is a method  
transmitting data over a network. Data to be sent is  
divided into individual and completely independent  
"packets." Each computer (or host) on the Internet has at  
least one address that uniquely identifies it from all  
others, and each data packet contains both the sender's  
address and the receiver's address.  
LAN (Local Area Network) - A LAN is a group of  
computers and associated devices that typically share  
common resources within a limited geographical area.  
Linux - Linux is an open source operating system within  
the UNIX family. Because of its robustness and  
availability, Linux has won popularity in the open source  
community and among commercial application  
developers.  
The Internet Protocol ensures that the data packets all  
arrive at the intended address. As IP is a connectionless  
protocol, which means that there is no established  
connection between the communication end-points,  
packets can be sent via different routes and do not need  
to arrive at the destination in the correct order.  
Lux - A standard unit of illumination measurement.  
MAC address (Media Access Control address) - A MAC  
address is a unique identifier associated with a piece of  
networking equipment, or more specifically, its interface  
with the network. For example, the network card in a  
computer has its own MAC address.  
Once the data packets have arrived at the correct  
destination, another protocol - Transmission Control  
Protocol (TCP) - puts them in the right order.  
See also TCP.  
Manual iris - This is the opposite of an autoiris, i.e. the  
camera iris must be adjusted manually to regulate the  
amount of light allowed to reach the image sensor.  
IP address - An IP address is simply an address on an IP  
network used by a computer/device connected to that  
network. IP addresses allow all the connected  
computers/devices to find each other and to pass data  
back and forth.  
Mbit/s (Megabits per second) - A measure of the bit rate,  
i.e. the rate at which bits are passing a given point.  
Commonly used to give the "speed" of a network. A LAN  
might run at 10 or 100 Mbit/s. See also Bit rate.  
Monitor - A monitor is very similar to a television set, but  
lacks the electronics to pick up regular television signals.  
To avoid conflicts, each IP address on any given network  
must be unique. An IP address can be assigned as fixed,  
so that it does not change, or it can be assigned  
dynamically (and automatically) by DHCP.  
Motion JPEG - Motion JPEG is a simple  
compression/decompression technique for network video.  
Latency is low and image quality is guaranteed, regardless  
of movement or complexity of the image. Image quality is  
controlled by adjusting the compression level, which in  
turn provides control over the file size, and thereby the bit  
rate.  
An IP address consists of four groups (or quads) of  
decimal digits separated by periods, e.g. 130.5.5.25.  
Different parts of the address represent different things.  
Some part will represent the network number or address,  
and some other part will represent the local machine  
address. See also IP (Internet Protocol).  
High-quality individual images from the Motion JPEG  
stream are easily extracted. See also JPEG and GIF.  
Inputs/Outputs (I/Os) - The digital I/Os on, for example, a  
network camera can be used to connect any device that  
can toggle between an open and a closed circuit.  
Megapixel - See Pixel.  
MPEG (Moving Picture Experts Group) - The Moving  
Picture Experts Group develops standards for digital video  
and audio compression. It operates under the auspices of  
the International Organization for Standardization (ISO).  
The MPEG standards are an evolving series, each designed  
for a different purpose.  
For example, if a door switch is used as an input device,  
opening the door could trigger the upload of video images  
and the sending of notification messages.  
An output might, for example, be used to automatically  
start a siren when there is a motion detection trigger.  
MPEG-2 - The designation for a group of audio and video  
coding standards, and is typically used to encode audio  
and video for broadcast signals, including digital satellite  
and Cable TV. MPEG-2, with some modifications, is also  
I-VOP - See VOP.  
JPEG (Joint Photographic Experts Group) - Together  
with the GIF file format, JPEG is an image file type  
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AXIS 243SA - Glossary  
79  
the coding format used by standard commercial DVD  
movies.  
networked PC, or a dedicated video recording hard disk  
server with its own software application.  
MPEG-4 - MPEG-4 is a group of audio and video coding  
standards and related technology. The primary uses for  
the MPEG-4 standard are web (streaming media) and CD  
distribution, conversational (videophone), and broadcast  
television.  
PAL (Phase Alternating Line) - PAL is an analog color  
encoding system used in television systems in Europe and  
in many other parts of the world. PAL defines the video  
signal using 625 TV lines per frame, at a refresh rate equal  
to 25 frames per second. See also NTSC.  
Most of the features included in MPEG-4 are left to  
individual developers to decide whether to implement  
them or not. This means that there are probably no  
complete implementations of the entire MPEG-4 set of  
standards. To deal with this, the standard includes the  
concept of "profiles" and "levels", allowing a specific set  
of capabilities to be defined in a manner appropriate for a  
subset of applications.  
PEM (Privacy Enhanced Mail) - An early standard for  
securing electronic mail. The PEM-format is often used  
for representing an HTTPS certificate or certificate  
request.  
Ping - Ping is a basic network program used  
diagnostically to check the status of a network host or  
device. Ping can be used to see if a particular network  
address (IP address or host name) is occupied or not, or if  
the host at that address is responding normally. Ping can  
be run from e.g. the Windows Command prompt or the  
command line in Unix.  
Multicast - Bandwidth-conserving technology that  
reduces bandwidth usage by simultaneously delivering a  
single stream of information to multiple network  
recipients. See also Unicast.  
Pixel (Picture Element) - A pixel is one of the many tiny  
dots that make up a digital image. The color and intensity  
of each pixel represents a tiny area of the complete image.  
Multiplexer - A multiplexer is a high-speed switch that  
provides full-screen images from up to 16 analog  
cameras. Multiplexers can playback everything that  
happened on any one camera with no interference from  
the other cameras on the system.  
PoE (Power over Ethernet) - Power over Ethernet  
provides power to a network device via the same cable as  
used for the network connection. This is very useful for  
IP-Surveillance and remote monitoring applications in  
places where it may be too impractical or expensive to  
power the device from a power outlet.  
Network camera (Network video camera) - A network  
camera is a camera and computer combined in one  
intelligent unit. It captures and sends live video directly  
over an IP network such as a LAN, intranet or the  
Internet. Users can view and/or manage the camera using  
a standard web browser or application software from any  
local or remote computer on a network. The camera  
allows multiple authorized viewers from different  
locations to simultaneously access images. A network  
camera is sometimes known as an IP camera.  
PPP (Point-to-Point Protocol) - A protocol that uses a  
serial interface for communication between two network  
devices. For example, a PC connected by a phone line to a  
server.  
PPTP (Point-to-Point Tunneling Protocol) - A protocol  
(set of communication rules) that allows corporations to  
extend their own corporate network through private  
"tunnels" over the public Internet. In this way a  
corporation can effectively use a WAN (Wide Area  
Network) as a large single LAN (Local Area Network). This  
kind of interconnection is known as a virtual private  
network (VPN).  
Network connectivity - The physical (wired or wireless)  
and logical (protocol) connection of a computer network  
or an individual device to a network, such as the Internet  
or a LAN.  
Network video - Network video (often referred to as  
IP-Surveillance for specific applications within security  
surveillance and remote monitoring) is a system that gives  
users the ability to monitor and record video over an IP  
network (LAN/WAN/Internet).  
Pre/post alarm images - The images from immediately  
before and after an alarm. These images are stored in a  
buffer for later retrieval.  
Progressive scan - Progressive scan, as opposed to  
interlaced video, scans the entire picture, line by line  
every sixteenth of a second. In other words, captured  
images are not split into separate fields as in interlaced  
scanning.  
NTSC (National Television System Committee) - NTSC is  
an analog color encoding system used in television  
systems in Japan, the United States and other parts of the  
Americas. NTSC defines the video signal using 525 TV  
lines per frame, at a refresh rate equal to 30 frames per  
second. See also PAL.  
Computer monitors do not need interlace to show the  
picture on the screen, but instead show them  
progressively, on one line at a time in perfect order i.e. 1,  
2, 3, 4, 5, 6, 7 etc., so there is virtually no "flickering"  
effect. In a surveillance application, this can be critical  
when viewing detail within a moving image, such as a  
NVR (Network Video Recorder) - A dedicated Network  
Video Recorder (NVR) can be used to gather data streams  
from remote network cameras and video servers and store  
them on a hard disk. An NVR can be a standard  
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AXIS 243SA - Glossary  
80  
person running. A high-quality monitor is required to get  
the best from progressive scan. See also Interlacing.  
It offers quality-of-service feedback from receivers to the  
multicast group as well as support for the synchronization  
of different media streams.  
Protocol - A special set of rules governing how two  
entities will communicate. Protocols are found at many  
levels of communication, and there are hardware  
protocols and software protocols.  
RTP (Real-Time Transport Protocol) - An Internet  
protocol for the transport of real-time data, e.g. audio and  
video. It can be used for media-on-demand as well as  
interactive services such as Internet telephony.  
Proxy server - In an enterprise that uses the Internet, a  
proxy server acts as an intermediary between a  
workstation user and the Internet. This provides security,  
administrative control, and a caching service. Any proxy  
server associated with a gateway server, or part of a  
gateway server, effectively separates the enterprise  
network from the outside network and the local firewall.  
It is the firewall server that protects the enterprise  
network from outside intrusion.  
RTSP (Real Time Streaming Protocol) - A control  
protocol, and a starting point for negotiating transports  
such as RTP, multicast and Unicast, and for negotiating  
codecs. RTSP can be considered a "remote control" for  
controlling the media stream delivered by a media server.  
RTSP servers typically use RTP as the protocol for the  
actual transport of audio/video data.  
Router - A device that determines the next network point  
to which a packet should be forwarded on its way to its  
final destination. A router creates and/or maintains a  
special routing table that stores information on how best  
to reach certain destinations. A router is sometimes  
included as part of a network switch. See also Switch.  
PTZ (Pan Tilt Zoom) - A PTZ-enabled camera can be  
remotely controlled so as to change the view from the  
camera. Panning is the movement of the camera along its  
horizontal axis, tilting is the movement of the camera  
along its vertical axis, and zooming is the adjustment of  
the zoom lens to magnify the view.  
Security surveillance - Network video's advanced  
functionality makes it highly suited to the applications  
involved in security surveillance. The flexibility of digital  
technology enhances security personnel's ability to  
protect people, property and assets. Such systems are  
therefore an especially attractive option for companies  
currently using CCTV.  
P-VOP - See VOP.  
Resolution - Image resolution is a measure of how much  
detail a digital image can hold: the greater the resolution,  
the greater the level of detail. Resolution can be specified  
as the number of pixel-columns (width) by the number of  
pixel-rows (height), e.g. 320x240.  
Server - In general, a server is a computer program that  
provides services to other computer programs in the same  
or other computers. A computer running a server program  
is also frequently referred to as a server. In practice, the  
server may contain any number of server and client  
programs. A web server is the computer program that  
supplies the requested HTML pages or files to the client  
(web browser).  
Alternatively, the total number of pixels (usually in  
megapixels) in the image can be used. In analog systems  
it is also common to use other format designations, such  
as CIF, QCIF, 4CIF, etc.  
RS-232 - A long-established standard that describes the  
physical interface and protocol for low-speed serial data  
communication between devices. This is the interface that  
e.g. a computer uses to talk to and exchange data with a  
modem and other serial devices.  
Simplex - In simplex operation, a network cable or  
communications channel can only send information in  
one direction. See also Full-duplex.  
RS-485 - An upgraded version of RS-422 that supports  
up to 32 devices on the same connection. RS-485 is an  
electrical specification of a two-wire, half-duplex,  
multipoint serial connection. It enables the configuration  
of inexpensive local networks and multidrop  
communications links. It offers high data transmission  
speeds (up to 10Mbit/s), and as it uses a differential  
balanced line over twisted pair (like RS-422), it can span  
relatively large distances (4000 feet or 1200 meters).  
RS-485 only specifies the electrical characteristics of the  
driver and the receiver. It does not specify or recommend  
any data protocol.  
SMTP (Simple Mail Transfer Protocol) - Used for sending  
and receiving e-mail. However, as it is "simple," it is  
limited in its ability to queue messages at the receiving  
end, and is usually used with one of two other protocols,  
POP3 or IMAP. These other protocols allow the user to  
save messages in a server mailbox and download them  
periodically from the server.  
SMTP authentication - An extension of SMTP, where the  
client is required to log into the mail server before or  
during the sending of email. It can be used to allow  
legitimate users to send email while denying the service to  
unauthorized users, such as spammers.  
RTCP (Real-Time Control Protocol) - RTCP provides  
support for real-time conferencing of groups of any size  
within an intranet. This support includes source  
identification and support for gateways like audio and  
video bridges as well as multicast-to-unicast translators.  
SNMP (Simple Network Management Protocol) - SNMP  
forms part of the Internet Protocol suite, as defined by the  
Internet Engineering Task Force. The protocol can support  
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AXIS 243SA - Glossary  
81  
monitoring of network-attached devices for any  
conditions that warrant administrative attention.  
been granted for specific applications and data residing  
on that computer.  
Sockets - Sockets are a method for communication  
between a client program and a server program over a  
network. A socket is defined as "the endpoint in a  
connection". Sockets are created and used with a set of  
programming requests or "function calls" sometimes  
called the sockets application programming interface  
(API).  
Time-lapse recorder - This type of video recorder is  
commonly used in the security industry and has the  
ability to record up to one week of video on a single tape.  
The most commonly used timing is the 24-hour mode.  
Having to change tapes only once a day and retaining  
large amounts of information are perceived as key  
advantages in using this particular mode of recording.  
SSL/TSL  
TVL (TV Lines) - A method of defining resolutions in  
(Secure Socket Layer/Transport Layer Security) - These  
two protocols (SSL is succeeded by TSL) are cryptographic  
protocols that provide secure communication on a  
network. SSL is commonly used over HTTP to form  
HTTPS, as used e.g. on the Internet for electronic financial  
transactions. SSL uses public key certificates to verify the  
identity of the server.  
analog video.  
UDP (User Datagram Protocol) - UDP is a  
communications protocol that offers limited service for  
exchanging data in a network that uses the Internet  
Protocol (IP). UDP is an alternative to the Transmission  
Control Protocol (TCP). The advantage of UDP is that it is  
not required to deliver all data and may drop network  
packets when there is e.g. network congestion. This is  
suitable for live video, as there is no point in  
re-transmitting old information that will not be displayed  
anyway.  
Subnet & subnet mask - A subnet is an identifiably  
separate part of an organization's network. Typically, a  
subnet may represent all the machines at one geographic  
location, in one building, or on the same local area  
network (LAN). Having an organization's network divided  
into subnets allows it to be connected to the Internet with  
a single shared network address.  
Unicast - Communication between a single sender and a  
single receiver over a network. A new connection is  
established for each new user. See also Multicast.  
The subnet mask is the part of the IP address that tells a  
network router how to find the subnet that the data  
packet should be delivered to. Using a subnet mask saves  
the router having to handle the entire 32-bit IP address; it  
simply looks at the bits selected by the mask.  
UPnPTM - A set of computer network protocols that allows  
the automatic peer-to-peer detection of devices on the  
network. UPnP is promoted by the UPnP Forum.  
URL (Uniform Resource Locator) - An "address" on the  
network.  
Switch - A network device that connects network  
segments together, and which selects a path for sending a  
unit of data to its next destination. In general, a switch is  
a simpler and faster mechanism than a router, which  
requires knowledge about the network and how to  
determine the route. Some switches include the router  
function. See also Router.  
Video camera - See Network camera and CCTV video  
camera.  
Video decoder - A network video decoder converts digital  
video and audio streams back into analog signals, which  
can then be displayed on standard TV sets, analog  
monitors and video switches.  
TCP (Transmission Control Protocol) - TCP is used along  
with the Internet Protocol (IP) to transmit data as packets  
between computers over the network. While IP takes care  
of the actual packet delivery, TCP keeps track of the  
individual packets that the communication (e.g. requested  
a web page file) is divided into, and, when all packets  
have arrived at their destination, it reassembles them to  
re-form the complete file.  
Video encoder (video server) - A video encoder/server  
digitizes analog video signals and sends digital images  
directly over an IP network, such as a LAN, intranet or the  
Internet. In effect, it turns an analog video system into a  
network video system and enables users to view live  
images using a web browser or application software on  
any local or remote computer on a network.  
Video management software - Video management  
software supplies the means for monitoring, analyzing  
and recording network video. In its simplest form, it offers  
live viewing, storage and retrieval of video sequences.  
Advanced applications may also provide support for  
recording of live video from multiple devices, different  
recording modes, search functions, remote access via a  
web browser, control of PTZ devices, etc.  
TCP is a connection-oriented protocol, which means that  
a connection is established between the two end-points  
and is maintained until the data has been successfully  
exchanged between the communicating applications.  
Telnet - Telnet is a simple method with which to access  
another network device, e.g. a computer. The HTTP  
protocol and the FTP protocols allow you to request  
specific files from remote computers, but do not allow you  
logon as a user of that computer. With Telnet, you log on  
as a regular user with whatever privileges you may have  
VMD (Video Motion Detection) - Video Motion detection  
defines activity (motion) in a monitored scene by  
analyzing image data and differences in series of images.  
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AXIS 243SA - Glossary  
82  
This detection can, for example, be used to trigger an  
alarm event in a network camera and start the upload of  
images from the camera.  
Video switcher - An analog video switcher sequentially  
displays full screen images, from one camera after  
another, typically at 3-5 seconds intervals. Other camera  
sources are not recorded while the image source from one  
camera is displayed on screen.  
VOP (Video Object Plane) - A VOP is an image frame in  
an MPEG-4 video stream. There are several types of VOP:  
- An I-VOP is a complete image frame.  
- An P-VOP codes the differences between images, as long  
as it is more efficient to do so. Otherwise it codes the  
whole image, which may also be a completely new image.  
WAN (Wide-Area-Network) - Similar to a LAN, but on a  
larger geographical scale.  
Web camera (Webcam) - A camera that requires a  
constant connection (via e.g. USB) to a PC for its  
operation. See also Network camera.  
Web server - A program that allows web browsers to  
retrieve files from computers connected to the Internet.  
The Web server listens for requests from browsers and  
upon receiving a request for a file sends it back to the  
browser. The primary function of a Web server is to serve  
pages to other remote computers.  
Zoom lens - A zoom lens can be moved (zoomed) to  
enlarge the view of an object to show more detail.  
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AXIS 243SA - Index  
83  
DNS configuration 52  
Index  
E
Email server 54  
Emergency recovery 65  
Enable ARP/Ping 51  
Event servers 32  
Event types 32  
External video 31  
A
Access Log 57  
Action buttons 30  
Active/Inactive 12, 30  
Administrators 18, 46  
Advanced TCP/IP settings 52  
Alarm 32, 35, 61  
Allowed IP addresses 46  
AMC Viewer Toolbar 12  
Anonymous viewers 46  
ARP/Ping 51  
F
Factory default settings 59  
Frame rates 20, 73  
FTP server 32  
Full duplex 24  
Audio input 25  
Audio mode 24  
Audio output 26  
G
Generic HTTP 62  
Generic TCP/IP 62  
Audio settings 24  
Audio transmission 17  
AXIS Internet Dynamic DNS Service 51  
AXIS Media Control (AMC) 15  
H
Half duplex 24, 25  
Host name 52  
HTML examples 30  
HTTP API 44  
HTTP API requests 29  
HTTP port number 52, 53  
HTTP server 32  
HTTPS 47  
B
Backup 56  
Bandwidth 14, 73  
Basic TCP/IP settings 50  
Buffers 34  
C
CGI links 29, 44  
Click-in-image 44  
COM Port RS-485 62  
Constant bit rate 14  
Control button 9, 59  
Customize 28  
I
I/O Ports 55  
I/O terminal connector 9  
Include windows 36  
Installing PTZ devices 38  
IP address filtering 46  
D
L
Date & Time 50  
DC power 61  
Line Out 9  
Line/Mic In 9  
Live view config 28  
Live View page 18  
Logs & Reports 57  
Default video format 30  
Default Viewer 30  
Digital input 61  
DIP switch 9  
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AXIS 243SA - Index  
84  
Restore 56  
RS-232 connector 10  
RS-485 61  
RTP 15, 55  
RTSP 15, 53  
M
Maximum bandwidth 53  
Motion detection 35  
Motion JPEG 14, 17  
MPEG-4 14, 17  
MPEG-4 clients 17  
MPEG-4 protocols 15  
MPEG-4 settings 55  
Multicasting 15  
S
Scheduled event 32  
Security 46  
Sequence mode 12  
Services 51  
Simplex 24  
SMTP settings 54  
Snapshot 12  
N
Network settings 50  
Network traffic 53  
SOCKS server 53  
Specifications 69  
Streaming MPEG-4 15  
Support 57  
S-Video 63  
Synchronization 17  
System options 46  
O
Operators 46  
Output buttons 12, 30  
Overlays 19  
Own home page 29  
Own web files 29  
P
T
Pan/Tilt/Zoom 43, 62  
Pinout - I/O connectors 61  
Port status 37  
TCP server 32  
TCP/IP settings 50  
Transistor output 61  
Trigger buttons 12  
Triggered event 32  
Troubleshooting 64  
Ports & Devices 55  
Post-trigger buffer 34  
Preset positions 39  
Pre-trigger buffer 34  
PTZ commands 29, 44  
PTZ control queue 41  
Pulse 12, 30  
U
UDP 15  
Push-to-talk 25  
Upgrade Server 56  
UPnP 55  
User-defined links 29  
Users 46  
Q
QoS 54  
Quad stream 23  
V
Variable bit rate 14  
Video input 9  
R
Recovery 65  
Video Output 9  
Video source 12, 20  
Video streams 14, 16, 20  
Referrals 46  
Relative and absolute PTZ drivers 44  
Restart 56  
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AXIS 243SA - Index  
85  
Viewer settings 30  
Y
Y/C to BNC cable 63  
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AXIS 243SA - Index  
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