Network Technologies Switch UNIMUX DVI xHD User Manual

1275 Danner Dr Tel:330-562-7070  
Fax:330-562-1999  
R NETWORK  
TECHNOLOGIES  
Aurora, OH 44202  
NTI  
UNIMUXTM Series  
UNIMUX-DVI-xHD  
USB DVI KVM Switch  
Installation and Operation Manual  
MAN005 Rev Date 6/6/2008  
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TABLE OF CONTENTS  
INTRODUCTION.............................................................................................................................................................1  
MATERIALS....................................................................................................................................................................2  
DEFINITIONS..................................................................................................................................................................3  
FEATURES AND FUNCTIONS.......................................................................................................................................4  
RACKMOUNTING INSTRUCTIONS...............................................................................................................................5  
To Mount to a Rack .....................................................................................................................................................5  
INSTALLATION...............................................................................................................................................................6  
RS232 Connection.......................................................................................................................................................8  
Power-Up Sequence....................................................................................................................................................9  
Limitations....................................................................................................................................................................9  
USING THE UNIMUX DVI KVM SWITCH ....................................................................................................................10  
Front Panel Control....................................................................................................................................................10  
Keyboard Control.......................................................................................................................................................10  
Command Mode ........................................................................................................................................................10  
Scan Mode..............................................................................................................................................................11  
Broadcast Mode......................................................................................................................................................11  
Normal Mode ..........................................................................................................................................................11  
No Sun Sleep Mode................................................................................................................................................11  
Select Country Code...............................................................................................................................................12  
Mice and Trackballs with MACs..............................................................................................................................12  
RS232 CONTROL.........................................................................................................................................................13  
RS232 Connections and Configuration .....................................................................................................................13  
Remote Connection................................................................................................................................................13  
Baud Rate...............................................................................................................................................................13  
Unit Address and Loop Back ..................................................................................................................................13  
Command Protocol.................................................................................................................................................15  
NTI Switch Control Program For Windows 9X, NT, 2000, XP, And Vista.................................................................16  
SerTest- RS232 Interface Test Program...................................................................................................................16  
Main Options...........................................................................................................................................................16  
KEYBOARD FEATURES ..............................................................................................................................................18  
Keyboard-To-Computer Translation..........................................................................................................................18  
Translation Capabilities ..........................................................................................................................................18  
Translation Tables ..................................................................................................................................................18  
International Sun Keyboards .....................................................................................................................................19  
TROUBLESHOOTING ..................................................................................................................................................20  
INDEX............................................................................................................................................................................20  
WARRANTY INFORMATION........................................................................................................................................20  
TABLE OF FIGURES  
Figure 1- Secure rackmount ears to switch.....................................................................................................................5  
Figure 2- Secure switch to a rack....................................................................................................................................5  
Figure 3- Connect a DVI monitor ....................................................................................................................................6  
Figure 4- Connect the device(s)......................................................................................................................................6  
Figure 5- Connect each CPU..........................................................................................................................................7  
Figure 6- Connect the power cord...................................................................................................................................7  
Figure 7- Connect RS232 control terminal......................................................................................................................8  
Figure 8- Compatible device combinations.....................................................................................................................9  
Figure 9- Country Codes for international SUN keyboards...........................................................................................12  
Figure 10- RS232 DIP switches ....................................................................................................................................13  
Figure 11- RS232 connection with Matrix-Y-1 cable.....................................................................................................14  
Figure 12- Pinout of Matrix-Y-1 cable ...........................................................................................................................14  
Figure 13- RS232 Communication Illustrated ...............................................................................................................15  
Figure 14- Keyboard Layouts........................................................................................................................................19  
ii  
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NTI UNIMUX SERIES USB KVM SWITCH  
INTRODUCTION  
The UNIMUX-DVI-xHD 4,8 or 16-Port USB DVI KVM switch (UNIMUX) allows access to up to sixteen (16) Windows, MAC, or  
SUN USB CPUs from one USB keyboard and mouse and a DVI video-enabled monitor. Internal microprocessor circuitry allows  
all USB CPUs to be booted simultaneously without keyboard error. Port selection is accomplished by front panel push buttons or  
commands typed on the keyboard. Port lights and status LEDs continuously update on the front panel.  
Types of User Input Devices Supported:  
USB keyboard with Windows layout  
USB keyboard with SUN layout  
USB keyboard with MAC layout  
USB Mouse - (up to 3 buttons)  
USB IntelliMouse (scrollwheel)  
USB Hub  
Mouse-Trak trackball  
Logitech, Kensington and Microsoft Wheelmouse or Trackball on Mac CPUs with special drivers  
Logitech Cordless Elite Duo keyboard and mouse  
Logitech wireless (S510, EX110, diNovo, LX710,MX5000)  
Crystal Vision keyboard with touchpad  
Gyration keyboard/mouse (Go 2.4)  
NTI USB-PS/2-R Adapter  
NTI USB-SUN-R Adapter  
Kensington wireless (64379)  
MS Wireless Optical Desktop (3000 and 4000)  
HP P2360AA  
Fellowes wireless keyboard (KBR0108) with mouse (MSR0238T)  
Creative Desktop Wireless 8000  
DVI monitors  
Apple USB 2.0 Keyboard (MB110LL/A)  
Apple USB 2.0 Mouse (MB112LL/A)  
Types of CPUs Supported:  
Any USB CPU supporting USB version 1.0 or above including:  
USB WINxx  
USB MAC  
USB SUN  
USB Linux  
USB Unix  
USB Free BSD  
1
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NTI UNIMUX SERIES USB KVM SWITCH  
MATERIALS  
Materials supplied with this kit:  
NTI UNIMUX-DVI-xHD (4,8 or 16 ports) USB DVI Video KVM Switch  
Line cord, country specific  
Rack mount kit  
CD with pdf file of this manual  
1- DB9 Female-to-RJ45 Female adapter  
1- DB25 Female-to-RJ45 Female adapter  
1- 5 foot RJ45-to-RJ45 CAT5 patch cable  
Materials Not supplied but REQUIRED:  
USB-DHEXT-xx-MM cable for each CPU being connected to the switch- for DVI monitor, USB keyboard, and USB mouse  
support- available in 3, 6,10, and 15 foot lengths  
where:  
xx is the length of the cable in feet  
MM indicates male-to-male connector  
Cables can be purchased from Network Technologies Inc by calling (800) 742-8324 (800-RGB-TECH) in the US and Canada or  
(330) 562-7070 (worldwide).  
DVI-D-Male  
HDMI Type A  
Male  
Single Link  
HDMI Type A Male  
USB-DHEXT-xx-MM  
DVI-D-Male  
(3,6,10 and 15 foot cables available)  
USB Type A  
Male  
USBType A Male  
2
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NTI UNIMUX SERIES USB KVM SWITCH  
DEFINITIONS  
A USB device that contains multiple endpoints each representing input devices that cannot be separated  
(i.e. a keyboard with a built-in mouse)  
A USB device that allows one or more USB input devices to plug in to the USB. The hub has exactly one  
upstream port with one or more downstream ports which input devices connect to  
Enclosure that contains the operating system and processor (i.e. Sun with SPARCstation5, Windows 95  
with Pentium II)  
USB Composite  
Device  
USB Hub  
CPU  
Keyboard or Mouse  
Input Device  
System  
One or more CPUs connected to one or more switches controlled by one or more input devices  
USB CPU  
DVI Enabled  
Existing  
cable  
Monitor  
USB-DHEXT-xx-MM  
(required-not supplied)  
Front View of UNIMUX-DVI-8HD  
Existing  
cables  
Command  
Scan Broadcast  
RS232  
R
ON  
1
DDC  
R
1
2
3
4
5
6
7
8
NTI  
UNIMUX  
Netwo  
rk  
Tech nol ogi es In  
c
8
9
10  
11  
12  
13  
14  
15  
16  
USB  
Mouse  
USB Keyboard  
USB-DHEXT-xx-MM  
(required-not supplied)  
USB CPU  
Typical Application  
3
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NTI UNIMUX SERIES USB KVM SWITCH  
Front View of UNIMUX-DVI-16HD  
Broadcast Command  
Scan  
RS232  
R
ON  
1
DDC  
R
1
9
2
3
4
5
6
7
8
UNIMUX  
NTI  
Network Technologies Inc  
8
10  
11  
12  
13  
14  
15  
16  
4
5
2
1
3
Rear View of UNIMUX-DVI-16HD  
R
CPU 16  
CPU 15  
CPU 7  
CPU 14  
CPU 6  
CPU 13  
CPU 5  
CPU 12  
CPU 4  
CPU 11  
CPU 3  
CPU 10  
CPU 2  
CPU 9  
CPU 1  
NTI  
1275 Danner Dr  
Aurora, OH 44202  
www.networktechinc.com  
Tel:330-562-7070  
RS232  
Fax:330-562-1999  
MONITOR  
CPU 8  
250V,2A  
7
10  
11  
6
8
9
FEATURES AND FUNCTIONS  
1. RS232- DIP switches for configuring switch address when RS232 is used  
2. DDC- for refreshing the DDC information between the monitor and CPU  
3. CPU Select Switches- push to manually switch to a specific CPU or change the switch operating mode  
4. CPU Status LEDs- for visual indication of connection between the user and a specific CPU.  
5. Mode Status LEDs- for visual indication of switch operating mode  
6. IEC Connector w/Built-in 2A 240VAC Replaceable Fuse- for attachment of the IEC power cord to power the UNIMUX  
7. Switch- for powering ON and OFF the UNIMUX  
8. RS232- RJ45 serial connector- for attachment of RS232 control cable  
9. CPU x- HDMI Type A female connector- for connection of the cable from the CPU(s)  
10. MONITOR- female DVI connector- for connecting DVI cable from user monitor  
11. USB- USB type A female connector- for connection of user USB keyboard and mouse  
4
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NTI UNIMUX SERIES USB KVM SWITCH  
RACKMOUNTING INSTRUCTIONS  
This NTI switch was designed to be mounted to a rack or to sit on a desktop. It includes rackmount ears to make attachment to a  
rack easy, and rubber feet to be applied to the bottom of the case if it will instead sit on a flat surface. If this will sit on a flat  
surface, simply apply the rubber feet to the bottom of the case in each of the 4 corners.  
To Mount in a Rack  
1. Attach the ears to the switch using the 6-32x3/16" flat Phillips-head screws (6) provided as shown in the illustration below.  
The holes in the ears should line up with pre-threaded holes in the sides of the NTI switch. Tighten the screws securely.  
NTI Switch  
Front of Switch  
6-32x3/16"  
Flat Head  
Screws  
(Provided)  
Rackmount Ear  
Figure 1- Secure rackmount ears to switch  
2. Install 4 cage nuts (not supplied) to the rack in locations that line up with the holes in the mounting ear on the NTI switch.  
3. Secure the NTI switch to the rack using four rack screws (10-32, 12-24, M6, etc.- not supplied). Each screw should be of  
sufficient length to go completely through the NTI mounting ear, rack frame and fully engage all threads in the cage nut.  
Be sure to tighten all mounting screws securely.  
4. Attach all cables securely to the switch and where necessary supply adequate means of strain relief for cables.  
NTI Switch  
Rack  
Cage Nuts  
(not supplied)  
Rack Screws  
(not supplied)  
Figure 2- Secure switch to a rack  
5
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NTI UNIMUX SERIES USB KVM SWITCH  
INSTALLATION  
1. It is not necessary to turn the CPUs or monitors OFF during this installation.  
2. Connect a DVI-to-DVI cable (should have come with the monitor) from a DVI monitor to the “MONTOR” connector on the  
rear of the UNIMUX (See Fig. 3 below.)  
Rear View of UNIMUX-DVI-16HD  
R
CPU 16  
CPU 8  
CPU 15  
CPU 7  
CPU 14  
CPU 6  
CPU 13  
CPU 5  
CPU 12  
CPU 4  
CPU 11  
CPU 3  
CPU 10  
CPU 2  
CPU 9  
CPU 1  
NTI  
1275 Danner Dr  
Aurora, OH 44202  
Tel:330-562-7070  
RS232  
Fax:330-562-1999  
MONITOR  
250V,2A  
Existing Cable  
DVI-D-Male  
DVI Enabled  
Monitor  
Mating Face of  
DVI Male  
Figure 3- Connect a DVI monitor  
3. Connect the male USB type A connector on the keyboard cable to either one of the two USB type A female connectors  
labeled with the USB symbol ) on the rear of the UNIMUX.  
(
4. Connect the male USB type A connector on the mouse cable to the remaining USB type A female connector labeled with the  
USB symbol on the rear of the UNIMUX.  
Rear View of UNIMUX-DVI-16HD  
R
CPU 16  
CPU 8  
CPU 15  
CPU 7  
CPU 14  
CPU 6  
CPU 13  
CPU 5  
CPU 12  
CPU 4  
CPU 11  
CPU 3  
CPU 10  
CPU 2  
CPU 9  
CPU 1  
NTI  
1275 Danner Dr  
Aurora, OH 44202  
www.networktechinc.com  
Tel:330-562-7070  
RS232  
Fax:330-562-1999  
MONITOR  
250V,2A  
USB Type A Female  
USB Type A Male  
USB Type A  
Male Connectors  
USB  
Mouse  
USB Keyboard  
Figure 4- Connect the device(s)  
6
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NTI UNIMUX SERIES USB KVM SWITCH  
5. Connect each CPU to the USB switch using a USB-DHEXT-xx-MM (xx=3, 6, 10, or 15 foot) cable for each video and input  
device connection – REQUIRED (not supplied). (See Fig. 5 below.) Cables are available from NTI.  
Rear View of UNIMUX-DVI-16HD  
R
CPU 16  
CPU 8  
CPU 15  
CPU 7  
CPU 14  
CPU 6  
CPU 13  
CPU 5  
CPU 12  
CPU 4  
CPU 11  
CPU 3  
CPU 10  
CPU 2  
CPU 9  
CPU 1  
NTI  
1275 Danner Dr  
Aurora, OH 44202  
www.networktechinc.com  
Tel:330-562-7070  
RS232  
Fax:330-562-1999  
MONITOR  
250V,2A  
Rear View of Windows USB CPU  
USB Type A Male  
HDMI Type A  
Video Connector  
Input Device Port  
USB Type A Female  
Video Port  
USB-DHEXT-xx-MM  
(3,6,10 and 15 foot cables available)  
DVI Female  
Video Connector  
Mating Face of  
DVI Male  
Mating Face of  
HDMI Type A Male  
Figure 5- Connect each CPU  
7. Connect the AC power cord with IEC connector to the UNIMUX. (See Fig. 6 below.)  
Rear View of UNIMUX-DVI-16HD  
R
CPU 16  
CPU 8  
CPU 15  
CPU 7  
CPU 14  
CPU 6  
CPU 13  
CPU 5  
CPU 12  
CPU 4  
CPU 11  
CPU 3  
CPU 10  
CPU 2  
CPU 9  
CPU 1  
NTI  
1275 Danner Dr  
Aurora, OH 44202  
www.networktechinc.com  
Tel:330-562-7070  
RS232  
Fax:330-562-1999  
MONITOR  
250V,2A  
IEC Connector  
Power cord  
Figure 6- Connect the power cord  
7
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NTI UNIMUX SERIES USB KVM SWITCH  
RS232 Connection  
If the RS232 is going to be used, connect one end of the CAT5 patch cable (supplied) to the port labeled “RS232” on the rear of  
the UNIMUX. Plug the other end of the CAT5 cable into either the RJ45-to-DB9 or RJ45-to-DB25 adapter supplied, and connect  
the adapter to the RS232 port on the control terminal. Follow the instruction under “RS232 Control” on page 13 for configuration  
and use of the RS232 control feature.  
Rear View of UNIMUX-DVI-16HD  
R
CPU 16  
CPU 8  
CPU 15  
CPU 7  
CPU 14  
CPU 6  
CPU 13  
CPU 5  
CPU 12  
CPU 4  
CPU 11  
CPU 3  
CPU 10  
CPU 2  
CPU 9  
CPU 1  
NTI  
1275 Danner Dr  
Aurora, OH 44202  
www.networktechinc.com  
Tel:330-562-7070  
RS232  
Fax:330-562-1999  
MONITOR  
250V,2A  
RJ45-to-DB9 Adapter  
(supplied)  
Control Terminal  
or  
CAT5 Patch Cable  
(supplied)  
RJ45-to-DB25 Adapter  
(supplied)  
Figure 7- Connect RS232 control terminal  
8
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NTI UNIMUX SERIES USB KVM SWITCH  
Power-Up Sequence  
Power-up the monitor(s).  
The UNIMUX can be powered at any time.  
Note: It is recommended that the monitor be powered-ON before powering on the UNIMUX in order for DDC information  
to be properly communicated.  
The CPUs can be powered at any time although if a CPU needs a keyboard and/or mouse at power-ON it should be powered  
after connecting to and powering-ON the UNIMUX.  
USB input devices (keyboard and mouse) can be hot plugged to and from the UNIMUX at any time.  
Limitations  
Only USB input device or hub cables can be connected to the UNIMUX at the USB Type A female ports. (See Features and  
Functions on page 3, item 11.)  
A USB hub (single or multi-port) can be used provided only USB input devices are plugged into it.  
Only a USB Windows or SUN keyboard or USB mouse may be connected to the USB port on a USB MAC keyboard  
A maximum of 8 input devices may be connected to the UNIMUX either directly or through hubs.  
See Fig. 8 for some examples of input device combinations that can be used with the UNIMUX.  
USB  
Hub  
USB Type A  
Male Connectors  
USB Windows Keyboard  
USB  
Mouse  
USB MAC Keyboard  
USB  
Mouse  
USB Windows Keyboard  
USB  
Mouse  
USB  
USB Windows Keyboard  
Mouse  
MAC USB keyboard and mouse  
Typical Installation- 1 keyboard, 1 mouse  
Multiple keyboards and mice  
USB  
Hub  
USB  
Mouse  
USB MAC Keyboard  
MAC USB keyboard and mouse through hub  
Figure 8- Compatible device combinations  
9
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NTI UNIMUX SERIES USB KVM SWITCH  
USING THE UNIMUX DVI KVM SWITCH  
Once the UNIMUX is properly connected, the UNIMUX will enable a connection to be made between the CPUs attached to its  
VIDEO and CPU ports and the monitor and input devices attached to the MONITOR and USB Device ports. The LEDs on the  
control panel of the UNIMUX will illuminate depending on which port (and corresponding CPU) is being connected to the monitor  
and input devices.  
The UNIMUX can be controlled by three methods:  
front control panel using touch-switches and LEDs  
keyboard control through Command Mode  
RS232 control (page 13)  
Front Panel Control  
There is a touch-switch and LED on the front panel of the UNIMUX for each CPU the switch will connect the monitor and  
input devices to. Pressing any touch-switch on the front panel of the UNIMUX will connect the corresponding CPU to the monitor  
and input devices.  
Holding down any front panel touch-switch for more than 2 seconds will cause the UNIMUX to cycle through all modes of  
operation including COMMAND, BROADCAST, SCAN, and NORMAL (described in "Command Mode" below). The three MODE  
LEDs on the front panel indicate which mode is selected. Release the touch-switch when the LEDs indicate the desired mode.  
When no mode LEDs are illuminated the user is in Normal Mode controlling directly the CPU to which the user is connected  
through the UNIMUX.  
Keyboard Control  
Keyboard control of the UNIMUX can be achieved using Command Mode (below). The keyboard can be used to control all  
functions of the UNIMUX as an alternative to using the front panel on the UNIMUX.  
By pressing <Ctrl> + < ` > (accent/tilde key), the user can enter Command Mode. Once in Command Mode, typing a series of  
commands will cause the UNIMUX to connect the user to any one CPU connected to the switch. Pressing the <Esc> key will exit  
Command Mode.  
Command Mode  
In order to control the UNIMUX with the keyboard connected, Command Mode must be enabled. To enter Command Mode from  
the keyboard:  
(ACCENT/TILDE  
KEY)  
~
Press  
Ctrl  
`
When the COMMAND LED is illuminated, all 3 status lights on the keyboard will illuminate (if they aren't already due to caps lock,  
scroll lock, and/or num lock) to indicate that Command Mode is enabled and the following functions are available:  
Basic Command Functions  
KEY SYMBOLS LEGEND:  
Function:  
Keystroke:  
or  
PRESS EITHER KEY  
CHORDED SEQUENCE- PRESS CONSECUTIVELY  
AND KEEP KEYS PRESSED UNTIL ALL ARE PRESSED.  
+
-
(select the next higher port  
ex. 03 04)  
I
or  
or  
Increment Port  
PRESS CONSECUTIVELY  
(select the next lower port  
ex. 02 01)  
D
S
Decrement Port  
Toggle Scan Mode  
ON and OFF  
(The SCAN Mode LED will  
also toggle ON and OFF)  
(The Broadcast Mode LED  
will toggle ON and OFF.)  
Toggle Broadcast Mode  
ON and OFF  
B
T
(xxx from 002 to 255. ie. T002  
would set the time-out period  
for 2 seconds)  
Sets scan time-out  
period for each port.  
(0-2)  
x
(0-9)  
x
(0-9)  
x
-
-
-
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NTI UNIMUX SERIES USB KVM SWITCH  
(0-9)  
x
(0-9)  
x
(Pxx would be P01, P02, etc.)  
Selects a specific  
port  
-
P
M
W
-
Configure port to connect  
To a MAC CPU  
(xx= 01-8 <M> + <0> + <1> will enable function on Port 1  
<M> + <0> + <4> will enable function on Port 4. Keyboard  
LED's will flash once to confirm command. )  
x
x
+ +  
Configure port to connect  
To a WINDOWS or SUN  
CPU  
(xx= 01-8 <W> + <0> + <1> will disable function on Port 1  
<W> + <0> + <4> will disable function on Port 4. Keyboard  
LED's will flash once to confirm command. )  
x
x
+
+
FYI: The user must exit Command Mode to type to a CPU.  
Exit Command Mode  
Esc  
To exit Command Mode, either hold down any touch-switch on the  
front panel for more than 2 seconds, OR press <ESC> on the  
keyboard.  
Scan Mode  
To activate Scan Mode press <S> from the Command Mode menu. When in Scan Mode the switch scans to each port with a  
CPU powered-ON. (The SCAN LED on the front panel will illuminate and remain ON while in Scan Mode. ) The port with the CPU  
powered-ON remains active while in use until it becomes idle for the configured dwell time (default time-out period is 5 seconds)  
before switching to the next powered-ON CPU port. See Command Mode section above for configuring the scan dwell time.  
Note: The keyboard and mouse must remain idle for the full scan dwell time before the switch selects the next active  
port.  
Broadcast Mode  
To activate Broadcast Mode press <B> from the Command Mode menu. (The BROADCAST LED on the front panel will illuminate  
and remain ON while in Broadcast Mode.) Broadcast Mode enables the user to type characters to all powered-ON CPUs  
simultaneously.  
Note: The user must type somewhat slowly when in Broadcast Mode (less than 20 wpm) and cannot use the  
<Backspace> key.  
Normal Mode  
When all of the UNIMUX mode LEDs are OFF the user is in Normal Mode, controlling the CPU to which the user is connected  
through the UNIMUX.  
No Sun Sleep Mode  
Note: It is necessary to configure a Sun CPU (most versions) such that the Sleep Mode is not enabled. If the Sun CPU  
goes into Sleep Mode either automatically or manually, the user must reboot the Sun CPU in order to resume use of the  
Sun CPU.  
To disable the Sleep Mode, perform the following steps:  
1. Select "Power Manager"  
2. Look for "Device Idle Time Before Power Saving Starts"  
3. Select "Always ON"  
4. Look for "Override Device Idle Time For:"  
5. Make sure neither "Monitors" nor "Disks" are selected.  
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NTI UNIMUX SERIES USB KVM SWITCH  
Select Country Code  
It is possible to configure the UNIMUX to emulate a specific international Sun keyboard regardless of what actual keyboard is  
connected. This is recommended when the CPU needs the layout code (i.e. a SUN CPU) and the keyboard doesn't have an  
explicit layout code (i.e. some Windows keyboards). To do this, manually set the UNIMUX to indicate the international keyboard  
identification number to the CPU using the following procedure;  
1. Connect the keyboard to be used to the UNIMUX  
2. Enter Command Mode  
3. Type Lxx, where xx is the number from the list below that corresponds to the desired country code  
4. Exit Command Mode  
Note: If any SUN CPUs are connected to the UNIMUX, they must be rebooted. Keyboard configuration is only read by  
SUN CPUs on startup.  
Country Codes  
00  
01  
02  
03  
Auto Detect  
Arabic  
Belgian  
Canadian-  
Bilingual  
Canadian-French  
Czech Republic  
Danish  
Finnish  
French  
German  
Greek  
13  
14  
15  
16  
International (ISO) 26  
Swedish  
Italian  
Japan (Katakana)  
Korean  
27  
28  
29  
Swiss/French  
Swiss/German  
Switzerland  
04  
05  
06  
07  
08  
09  
10  
11  
12  
17  
18  
19  
20  
21  
22  
23  
24  
25  
Latin American  
30  
Taiwan  
Turkish  
UK  
US  
Yugoslavia  
Netherlands/Dutch 31  
Norwegian  
Persian (Farsi)  
Poland  
32  
33  
34  
Portuguese  
Russia  
Slovakia  
Hebrew  
Hungary  
Spanish  
Figure 9- Country Codes for international SUN keyboards  
For more on international SUN keyboards, see page 19.  
Mice and Trackballs with MACs  
The UNIMUX can be configured to enable full functionality between mice and trackballs having two or more buttons and USB  
MAC CPUs. By default, the ports on the UNIMUX are configured for use with WINDOWS and SUN CPUs and have no special  
translation for using multi-function mice and trackballs when a MAC CPU is connected. Using the commands <M> + <x> + <x>  
(xx = port number), or <W> + <x> + <x> in Command Mode (page 10), either enable or disable this feature as needed for each  
port.  
NOTE: Be sure to re-configure port for connection to a WINDOWS or SUN CPU if a MAC CPU is removed and a  
WINDOWS or SUN CPU is then connected.  
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NTI UNIMUX SERIES USB KVM SWITCH  
RS232 CONTROL  
RS232 enables the UNIMUX to be remotely controlled via RS232. To control the UNIMUX via RS232 the user has three options:  
write a program that runs on a PC using the Command Protocol (page 15)  
use the NTI Switch Control Program (page 16) provided on the CD  
use the SerTest program (page 16) provided on the CD  
RS232 Connections and Configuration  
Remote Connection  
The RS232 Interface (optional) is designed to meet the RS232C standard and can be controlled from any CPU or other controller  
with an RS232 communications port. The pin-out for the RJ45 connector on the unit is as follows:  
RS232 (RJ45) CONNECTOR  
PIN  
1
SIGNAL  
FUNCTION  
-
No connection  
2
-
No connection  
3
RX+  
Receive data (TXD at host)  
Ground  
4
GND  
5
-
No connection  
6
TX+  
Transmit data (RXD at host)  
No connection  
7
-
-
8
No connection  
A 5 foot patch cable and two adapters, RJ45-to-DB9 and RJ45-to-DB25, have been provided for connection to most CPUs (see  
page 8).  
Baud Rate  
The baud rate can be changed by powering down the unit, changing the 8 position RS232 DIP switch on the front of the UNIMUX,  
and then powering back up. This table shows how to set the baud rate. (Fig. 10 shows switches in their factory default position.)  
DIP  
SWITCH  
2
BAUD RATE  
RS232  
3
ON  
1
OFF OFF  
OFF ON  
2400  
9600 (default)  
19200  
ON  
ON  
OFF  
ON  
8
38400  
Figure 10- RS232 DIP switches  
Unit Address and Loop Back  
To allow multiple units to be controlled from a single CPU serial port, the RS232 control interface is designed to allow "daisy  
chaining" up to 15 units. By setting the appropriate RS232 DIP switches, each unit can be given a unique address (1-15). Then  
the unit will only respond to commands on the bus if its address is embedded in the command. Use the following table to set the  
unit address.  
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NTI UNIMUX SERIES USB KVM SWITCH  
DIP SWITCH  
UNIT ADDRESS  
Note: The "loop back" RS232 DIP switch (RS232 DIP  
switch 1) should be ON for each unit in the chain.  
8
7
6
5
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
ON  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
OFF  
ON  
OFF OFF  
OFF OFF  
OFF ON  
OFF ON  
ON  
ON  
ON  
ON  
OFF OFF  
OFF OFF  
OFF ON  
OFF ON  
0 (not valid)  
1 (default)  
2
3
4
5
6
7
OFF  
OFF  
ON  
ON  
8
9
ON  
ON  
ON  
10  
11  
12  
13  
14  
15  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
ON  
OFF  
OFF  
ON  
OFF  
ON  
ON  
Note: Switch 4 on the RS232 DIP switch is not used.  
In order to connect multiple switches (up to 15) with RS232 connections to the same CPU, an NTI Matrix-Y-1 cable must be used.  
Connect the Matrix-Y-1 cable between the RJ45-to-DB9 serial adapter (provided with the RS232 option) and the CPU as shown in  
Fig. 11.  
RS232  
Serial Port  
Matrix-Y-1  
Matrix-Y-1  
Matrix-Y-1  
CPU  
Note: The maximum combined  
RS232 cable length between the  
CPU and any NTI switch cannot  
exceed 15 feet.  
RJ45  
RJ45  
TO DB9  
SERIAL  
RJ45  
TO DB9  
SERIAL  
ADAPTER  
TO DB9  
SERIAL  
ADAPTER  
ADAPTER  
CAT5 CABLE  
RS232  
CAT5 CABLE  
CAT5 CABLE  
RS232  
RS232  
NTI  
NTI  
NTI  
SWITCH  
SWITCH  
SWITCH  
First Unit  
Second Unit  
Last Unit  
Figure 11- RS232 connection with Matrix-Y-1 cable  
Wiring Schematic of Matrix-Y-1 cable  
9D Male  
(Unit #1)  
9D Female  
(Source)  
9D Male  
(Unit #2)  
2
3
3
3
5
2
7
Not connected to  
source connector  
5
5
2
Jumper  
8
1
4
6
Jumpers  
Figure 12- Pinout of Matrix-Y-1 cable  
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NTI UNIMUX SERIES USB KVM SWITCH  
Command Protocol  
RS232 commands supported by the unit are defined below. All command strings should be terminated with a <CR> (carriage  
return). When a command is sent, the entire string is echoed back along with a response from the addressed unit as shown in the  
command definitions. All characters in the command string should be upper case, and all numbers below 10 should have a  
leading 0 (ex: 1 = 01). As command strings are sent, the inner character delay cannot exceed 500 milliseconds.  
CPU  
SWITCH AT UNIT ADDRESS 01  
(COMMAND SENT)  
(COMMAND RECEIVED)  
CS 01,01,03<CR>  
RS232  
RS232  
CS 01,01,03<CR>  
(ECHO)  
CS 01,01,03<CR>  
(RESPONSE RECEIVED)  
CS 01,01,03<CR>  
* <CR>  
(RESPOND)  
* <CR>  
Figure 13- RS232 Communication Illustrated  
Note: To use this command protocol, the user is required to write a program that will send an entire command string all  
at once, not character by character. Programs that send one character at a time (such as HyperTerminal) cannot be used  
to control the UNIMUX. Alternatively, the user may use the NTI Switch Control Program or SerTest to control the  
UNIMUX via RS232 (see page 16).  
Legend: (All numbers must be two digits)  
SW  
OP  
IP  
:
:
:
:
Switch (01-15) (Unit Address)  
Output (User) Port (01)  
Input (CPU) Port (01-MAXINPUTS)  
Carriage Return (Hex 0xD)  
<CR>  
Note: For units with one output (user) port, use 01 for the output selection.  
Command Definitions  
Command String  
CS SW,IP,OP  
RO SW,OP  
RS SW  
Good Response  
*<CR>  
*<CR>IP<CR>  
*<CR>  
Description  
Connect Output (User) Port To specific Input (CPU) Port  
Read Connection For Output (User) Port to Input (CPU) Port  
Internal Reset  
RU SW  
*<CR>IP,OP<CR>  
*<CR>  
*<CR>  
Read Unit Size  
SS SW,00  
SS SW,01  
GO SW,OP  
Disable Autostatus feature (see below)  
Enable Autostatus feature (see below)  
Read connection of a Output (User) Port to Input (CPU) Port  
(different response format than RO command)  
Read connection matrix of all Output (User) ports  
*<CR>go SW,OP:IP<CR>  
GM SW,00  
*<CR>go OP,IP (all ports)<CR>  
If the first field is not a known command (as listed above) or SW field is different from the unit address programmed at the DIP  
switch (page 13), the command will be ignored. If the SW field corresponds to the unit address, but if the syntax is wrong after  
this field, the switch will answer with a bad response ?<CR>.  
Autostatus  
When Autostatus is enabled, any output (user) -to-input (CPU) connection change in the UNIMUX will cause an Autostatus  
message to be sent via RS232 to the administrator. The format of the message would be "pc SW,OP:IP<CR>"  
Example of an Autostatus message:  
pc 01,01:04<CR>  
which means "At the switch with unit address 01, the output (User) (01) has changed connection to input (CPU) port 04."  
Note: An Autostatus message to the administrator will be delayed by any RS232 traffic being received by the switch  
from the administrator.  
By default, Autostatus is disabled and must be manually enabled.  
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NTI UNIMUX SERIES USB KVM SWITCH  
NTI Switch Control Program For Windows 9X, NT, 2000, XP, And Vista  
The NTI Switch Control Program is an easy and powerful graphical program that controls NTI switches through an RS232  
interface. The NTI Switch Control Program is included on the CD packaged with the UNIMUX. The NTI Switch Control  
Program is downloaded by clicking on the link "Download NTI Switch Control Program".  
To install the NTI Switch Control Program after downloading  
1. Locate the Setup.exe in the directory the program was downloaded to and double-click on it  
2. Follow the instructions on the screen  
Note: In order to use the NTI Switch Control Program to control the UNIMUX, the UNIMUX RS232 port must be set at a  
baud rate of 9600 bps (see page 13).  
The NTI Switch Control Program performs best on monitors set to a screen resolution of at least 800 X 600. Instruction for using  
the NTI Switch Control Program is available by opening "MSCP Help" in the "NTI" program group once the program has been  
installed and is open on the screen.  
To open "MSCP Help" from the Windows desktop  
1. Click on START  
2. Click on PROGRAMS  
3. Click on NTI  
4. Click on MSCP Help  
SerTest- RS232 Interface Test Program  
This software allows a user to test the functions of an NTI server switch, matrix switch or Multi-user/Multi-platform/Single-user  
switch RS232 interface. The SerTest program is automatically loaded when installing the NTI Switch Control Program as  
described above. The SerTest program, located in the NTI program group, generates a main menu with the 4 selections  
described below:  
Main Options  
- send commands to the unit.  
Switch Operations  
Ethernet Operations  
Setup Options  
- set ethernet connection variables (not applicable to this model)  
- set COM port, baud rate, and unit address  
- display the program version  
About SerTest  
If Matrix Operations is selected, the following menu is displayed:  
SWITCH OPERATIONS  
1) Reset Unit  
- send a reset command to the switch  
- the current unit address is displayed in parentheses  
2) Reset All Units  
- send an internal reset command to all switches  
3) Connect Output/User to an Input/CPU  
- connect an output to an input  
4) Connect All Outputs/Users to an Input/CPU (not applicable to this model)  
- connect all outputs to an input  
5) Connect Audio Output/User to an Input/CPU (not applicable to this model)  
- connect an output to an input  
6) Connect All Audio Outputs/Users to an Input/CPU (not applicable to this model)  
- connect all outputs to an input  
7) Change Mute Status for Audio Output/User (not applicable to this model)  
- mute or un-mute the Audio port output  
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NTI UNIMUX SERIES USB KVM SWITCH  
8) Change Volume for Audio Output/User (not applicable to this model)  
- change Audio port output volume  
9) Read Connection for Output/User  
- read what input is connected to the specified output  
a) Read Connection for Audio Output/User (not applicable to this model)  
- read what input is connected to the specified output  
b) Read Mute Status and Volume for Audio Output/User (not applicable to this model)  
- read the volume and the mute status of the specified output  
c) Read Unit Size  
- read the switch size (number of inputs and outputs)  
d) Read Unit Version/Revision String (not supported by this model)  
- read a string containing the switch version, type, and size  
e) Save I/O Connections into Unit Memory (not applicable to this model)  
- save the connections into switch memory bank  
f) Restore I/O Connections from Unit Memory (not applicable to this model)  
- restore the connections from switch memory bank  
g) Save All Units I/O Connections into Units Memory (not applicable to this model)  
- save the connections into switch memory bank, command for all switches  
h) Restore All Units I/O Connections from Units Memory (not applicable to this model)  
- restore the connections from switch memory bank, command for all switches  
i) Change All Units Baud Rate (9600/COM1)  
- change RS232 Baud rate of all switches  
- the current baud rate and serial port are displayed in parentheses  
ETHERNET OPERATIONS (not applicable to this model)  
SETUP OPTIONS  
1) select Com port current: (COM1:)  
- select PC serial port  
- the current PC serial port is displayed in parentheses  
2) select Baud rate current: (9600)  
- select PC serial port baud rate  
- the current baud rate is displayed in parentheses  
3) set unit Address current: (1)  
- select the unit address of the switch to be connected to by this program  
- the current address is displayed in parentheses  
For any selection that requires user input, the user is prompted. When commands are sent to the UNIMUX, the command string  
and UNIMUX responses are echoed to the screen. All commands generated by the program are formatted according to the  
information provided in sections above. If any transmission problems are detected, an error message is displayed.  
Press <Esc> or <Enter> to back out to the main menu and press again to exit.  
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NTI UNIMUX SERIES USB KVM SWITCH  
KEYBOARD FEATURES  
The keyboard configuration of each CPU is saved in the UNIMUX. For example, if the CPU attached to Port 2 had CAPS LOCK  
and NUM LOCK selected the last time that CPU was accessed, then they will automatically be set when that CPU is accessed  
again.  
(See Fig. 14 on page 19 for reference.)  
Keyboard-To-Computer Translation  
The UNIMUX enables a mixture of otherwise incompatible peripheral computer components to be connected together. This is  
accomplished by performing keyboard-to-computer translations automatically (i.e. translate a MAC keyboard and mouse to a  
Windows type CPU). The chart below shows the capabilities of devices controlling certain CPU types.  
Translation Capabilities  
CPU  
Device  
Sun  
Mac  
Windows  
Sun Keyboard  
AT101 Keyboard  
Mac keyboard  
Full functionality  
Extra keys emulation  
Extra keys emulation  
Full functionality  
Power key emulation  
Full functionality  
Full functionality  
Full functionality  
Full functionality-except  
Application Key  
Apple Pro Keyboard  
Extra keys emulation  
Extra Keys not supported Full functionality  
(Eject, Mute, Volume+,  
Volume-)  
Sun Mouse  
Wheel Mouse  
Apple Mouse  
Full functionality  
Full functionality  
Right button emulation  
Full functionality  
Full functionality  
Full functionality  
Full functionality  
Full functionality  
Right button emulation  
Translation Tables  
Use the charts below to type SUN’s additional keys with Win95 and Apple keyboards:  
SUN Extra Keys  
WINxx or Mac Keyboards  
Space Bar + F1  
Space Bar + F2  
Sun Extra Keys  
Stop  
Again  
Power Key Emulation  
Win95 Keyboards  
SB+RT Arrow  
Mac CPU  
Power  
Sun CPU  
Power  
Space Bar + F3  
Props  
Space Bar + F4  
Undo  
Space Bar + F5  
Front  
Space Bar + F6  
Copy  
Space Bar + F7  
Open  
Space Bar + F8  
Paste  
Space Bar + F9  
Find  
Cut  
Help  
Compose  
Volume +  
Volume -  
Mute  
Mouse Click Equivalents  
Space Bar + F10  
Space Bar + F11  
Space Bar + F12  
Space Bar + Up Arrow  
Space Bar + Down Arrow  
Space Bar + Left Arrow  
To emulate right-button click using an Apple 1-button  
mouse, hold down the CMND key (key with open  
apple insignia) while pressing the mouse button.  
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NTI UNIMUX SERIES USB KVM SWITCH  
Esc  
~
Num  
Lock  
Backspace  
`
Tab  
Enter  
Caps Lock  
Shift  
Shift  
Enter  
Ctrl  
Alt  
Alt  
Ctrl  
Typical 101 Keyboard  
Print  
Screen  
SysRq  
Scroll  
Lock  
Esc  
Pause  
Break  
F1  
F2  
F3  
F4  
F5  
F6  
F7  
F8  
F9  
F10  
F11  
F12  
~
Num  
Lock  
Backspace  
`
Tab  
Enter  
Caps Lock  
Shift  
Ctrl  
Shift  
Enter  
Alt  
Alt  
Ctrl  
Windows Logo Key Application Key  
Windows Logo Key  
Windows USB Keyboard  
CD Eject  
Key  
F11  
F12  
F13  
F14  
F15  
F1  
F2  
F3  
F4  
F5  
F6  
F7  
F8  
F9  
F10  
esc  
num  
lock  
~
`
delete  
clear  
=
/
*
tab  
return  
caps Lock  
shift  
shift  
alt  
alt  
option  
enter  
control  
option  
control  
Command Key  
Command Key  
Apple Pro USB Keyboard  
Power  
key  
Help  
Stop  
Num  
Lock  
Again  
Backspace  
Esc  
Tab  
Undo  
Copy  
Props  
Front  
Open  
Find  
Return  
Shift  
Control  
Shift  
Paste  
Cut  
Enter  
Com-  
pose  
Capslock  
Alt  
Alt  
Graph  
Meta Key  
Meta Key  
SUN USB Keyboard  
Figure 14- Keyboard Layouts  
International Sun Keyboards  
The UNIMUX can recognize international layouts for Sun keyboards. In order to use an international Sun keyboard, follow this  
procedure:  
1. Power-OFF the CPU connected to the UNIMUX  
2. Connect the international keyboard to be used to the UNIMUX  
3. Power-ON the CPU connected to the UNIMUX  
It is also possible to configure the UNIMUX to emulate a specific international Sun keyboard regardless of what actual keyboard is  
connected. This is recommended when the CPU needs the layout code (i.e. a SUN CPU) and the keyboard doesn't have an  
explicit layout code (i.e. some Windows keyboards). To do this, manually set the UNIMUX to indicate the international keyboard  
identification number to the CPU by following the instruction on page 12.  
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NTI UNIMUX SERIES USB KVM SWITCH  
TROUBLESHOOTING  
PROBLEM:  
SOLUTION:  
Keyboard Errors  
Check cable connections on each CPU and the switch.  
PROBLEM:  
SOLUTION:  
No Video  
Check cable connections on each CPU and the switch. Verify that keyboard and video connect from each CPU  
to matching ports. After reconnecting, CPU may need to be re-booted in order to sense the monitor connection.  
PROBLEM:  
SOLUTION:  
No Mouse Movement  
Check cable connections of mouse. Verify that mouse driver was loaded.  
INDEX  
addressing, 13  
Autostatus, 15  
baud rate, 13  
keyboard features, 18  
keyboard translation, 18  
limitations, 9  
Broadcast mode, 11  
Command mode, 10  
control methods, 10  
country codes, 12  
CPUs supported, 1  
daisy-chaining, 13  
definitions, 3  
MAC mice and trackballs, 12  
materials supplied, 2  
Matrix-Y-1 cable, 14  
power-up sequence, 9  
Rackmounting, 5  
RS232 commands, 15  
RS232 Control, 13  
RS232 pinout, 13  
devices supported, 1  
features, 4  
Scan mode, 11  
front panel control, 10  
Installation, 6  
international keyboard layouts, 19  
Keyboard control, 10  
SerTest, 16  
Sun sleep mode, 11  
Switch Control Program, 16  
WARRANTY INFORMATION  
The warranty period on this product (parts and labor) is two (2) years from the date of purchase. Please contact Network  
Technologies Inc at (800) 742-8324 (800-RGB-TECH) or (330) 562-7070 or visit our website at http://www.networktechinc.com  
for information regarding repairs and/or returns. A return authorization number is required for all repairs/returns.  
MAN005 Rev 6/6/08  
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