1275 Danner Dr Tel:330-562-7070
R NETWORK
Fax:330-562-1999
TECHNOLOGIES Aurora, OH 44202
INCORPORATED
NTI
UNIMUXTM Series
UNIMUX-USBV-x
USB KVM Switch
Installation and Operation Manual
MAN035 Rev Date 3/5/2007
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TABLE OF CONTENTS
INTRODUCTION.............................................................................................................................................................1
MATERIALS....................................................................................................................................................................1
DEFINITIONS..................................................................................................................................................................2
FEATURES AND FUNCTIONS.......................................................................................................................................3
RACKMOUNTING INSTRUCTIONS...............................................................................................................................4
To Mount to a Rack .....................................................................................................................................................4
INSTALLATION...............................................................................................................................................................5
Power-Up Sequence....................................................................................................................................................7
Limitations....................................................................................................................................................................7
USING THE UNIMUX USB KVM SWITCH.....................................................................................................................8
Front Panel Control......................................................................................................................................................8
Keyboard Control.........................................................................................................................................................8
MODES OF OPERATION...............................................................................................................................................9
Basic Command Mode ................................................................................................................................................9
Scan Mode................................................................................................................................................................9
Broadcast Mode......................................................................................................................................................10
Normal Mode ..........................................................................................................................................................10
No Sun Sleep Mode................................................................................................................................................10
Select Country Code...............................................................................................................................................10
Mice and Trackballs with MACs..............................................................................................................................11
OSD CONTROL............................................................................................................................................................12
Security Option ..........................................................................................................................................................12
Enabling the Security Feature ................................................................................................................................12
User Login Mode.....................................................................................................................................................13
ADDITIONAL MODES AVAILABLE WITH SECURITY ................................................................................................13
Administration Mode...............................................................................................................................................13
Administrator Password..........................................................................................................................................14
User Name List .......................................................................................................................................................14
Edit User .................................................................................................................................................................15
Alternate Command Hot Key..................................................................................................................................16
USER ACCESS FUNCTIONS.......................................................................................................................................16
OSD Command Mode ............................................................................................................................................16
Broadcast Mode......................................................................................................................................................17
Scan Mode..............................................................................................................................................................18
Normal Mode ..........................................................................................................................................................18
Edit Mode................................................................................................................................................................18
Change Settings .....................................................................................................................................................19
Select Ports For Broadcast.....................................................................................................................................19
Select Ports For Scan.............................................................................................................................................20
Language Selection................................................................................................................................................20
MAC Ports Configuration........................................................................................................................................20
Search Mode...........................................................................................................................................................21
Maintenance Mode .................................................................................................................................................22
Help Mode...............................................................................................................................................................23
F3- Display Information...........................................................................................................................................23
RS232 CONTROL.........................................................................................................................................................24
RS232 Connections and Configuration .....................................................................................................................24
Remote Connection................................................................................................................................................24
Baud Rate...............................................................................................................................................................24
Unit Address and Loop Back ..................................................................................................................................25
Command Protocol.................................................................................................................................................26
Matrix Switcher's Control Program For Windows 9X, NT, AND 2000.......................................................................27
SerTest- RS232 Interface Test Program...................................................................................................................27
Main Options...........................................................................................................................................................27
MOUSE CLICK EQUIVALENTS ...................................................................................................................................29
KEYBOARD FEATURES ..............................................................................................................................................29
Keyboard-To-Computer Translation..........................................................................................................................29
ii
MAN035 Rev Date 3/5/2007
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Translation Capabilities ..........................................................................................................................................29
Translation Tables ..................................................................................................................................................29
International Sun Keyboards .....................................................................................................................................30
CASCADING.................................................................................................................................................................31
Configuration .............................................................................................................................................................31
Cascaded Installation ................................................................................................................................................31
Limitations..................................................................................................................................................................34
TROUBLESHOOTING ..................................................................................................................................................34
WARRANTY INFORMATION........................................................................................................................................34
TABLE OF FIGURES
Figure 1- Secure rackmount ears to switch.....................................................................................................................4
Figure 2- Secure switch to a rack....................................................................................................................................4
Figure 3- Connect a VGA multi-scan monitor .................................................................................................................5
Figure 4- Connect the device(s)......................................................................................................................................5
Figure 5- Connect the AC line cord.................................................................................................................................6
Figure 6- Connect each CPU..........................................................................................................................................6
Figure 7- Compatible device combinations.....................................................................................................................7
Figure 8- Country Codes for international SUN keyboards...........................................................................................10
Figure 9- Administrator Login screen............................................................................................................................12
Figure 10- User Login screen........................................................................................................................................13
Figure 11- Administration Mode menu..........................................................................................................................13
Figure 12- Administrator password change ..................................................................................................................14
Figure 13- User Name List screen ................................................................................................................................14
Figure 14- Edit the user access list...............................................................................................................................15
Figure 15- Command Mode screen ..............................................................................................................................16
Figure 16- More Command Mode features...................................................................................................................17
Figure 17- Edit Mode screen.........................................................................................................................................18
Figure 18- Change Settings menu ................................................................................................................................19
Figure 19- Select ports for broadcasting.......................................................................................................................19
Figure 20- Select ports for scanning .............................................................................................................................20
Figure 21- Select the keyboard language .....................................................................................................................20
Figure 22- Configure Ports for MAC screen..................................................................................................................21
Figure 23- Search Mode screen....................................................................................................................................21
Figure 24- Maintenance Mode screen ..........................................................................................................................22
Figure 25- Information provided by the F3 command...................................................................................................23
Figure 26- RS232 dip-switches.....................................................................................................................................24
Figure 27- RS232 connection with Matrix-Y-1 cable.....................................................................................................25
Figure 28- Pinout of Matrix-Y-1 cable ...........................................................................................................................25
Figure 29- RS232 Communication Illustrated ...............................................................................................................26
Figure 30- Keyboard Layouts........................................................................................................................................30
Figure 31- Connections for Cascading..........................................................................................................................31
Figure 32- Cascaded configuration with multi-user slaves ...........................................................................................32
Figure 33- Master-to-slave device cable connections- single-user switches................................................................33
Figure 34- Master to slave cable connections- multi-user switches..............................................................................33
iii
MAN035 Rev Date 3/5/2007
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NTI UNIMUX SERIES USB KVM SWITCH
INTRODUCTION
The UNIMUX-USBV-x (formerly referred to as KEEMUX-USBV-xU) USB KVM switch (UNIMUX) allows access to any Windows,
MAC, or SUN USB CPUs from one monitor, USB keyboard and USB mouse (up to 32 CPUs as a single switch or 512 CPUs when
cascaded). 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.
Available Options
•
Switch models are available in 60 or 50 Hz, and 110 or 220V.
•
On Screen Display (OSD) Control feature will superimpose operating menus directly onto the monitor for security
administration and control. (Model UNIMUX-USBV-xO)
•
•
RS232- Control the switch(s) from the serial port of any CPU with an RS232 port. (Model UNIMUX-USBV-xRS)
Configuration is expandable by cascading switches (master must be UNIMUX-USBV-xO, slaves can be non-OSD)
Types of User Input Devices Supported:
•
•
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•
•
•
•
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•
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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
Crystal Vision keyboard with touchpad
Gyration keyboard/mouse
NTI USB-PS/2 Adapter
NTI USB-SUN Adapter
VGA, XGA, SVGA, and most DVI monitors (when used with NTI DVIF-15HDM adapter)
Types of CPUs Supported:
Any USB CPU supporting USB version 1.0 or above including:
•
•
•
USB WINxx
USB MAC
USB SUN
MATERIALS
Materials supplied with this kit:
•
•
•
•
•
NTI UNIMUX-USBV-x (2,4,8,12,16,24, or 32 ports) USB KVM Switch
120VAC or 240VAC at 50 or 60Hz-5VDC/2.0A AC Adapter
Line cord, country specific
Rack mount kit (4 and 8 port models only)
CD with pdf file of this manual
Materials Not supplied but REQUIRED:
•
A USBVEXT-xx-MM cable for each USB CPU being connected to the switch must be used for monitor, keyboard and mouse
interface.
•
A REXT-SR-xx interface cable for each slave switch being attached to the master switch in a cascaded configuration (only
required if one or more slave switches was made prior to 10-1-04)
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).
1
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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
2
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NTI UNIMUX SERIES USB KVM SWITCH
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FEATURES AND FUNCTIONS
1. CPU Status LEDs- for visual indication of connection between the user and a specific CPU.
2. Daisy In/Out - for attaching interface cables (REXT-SR-xx) between slave switches and the master switch (only necessary
when connected to UNIMUX-USBV-xO switches made prior to 9/22/04)
3. RS232- (optional) Dip switches for configuring switch address when RS232 is used
4. Cascade- Dipswitches for configuring cascaded switches (only necessary when connected to switches made prior to 9/22/04)
5. CPU Select Switches- push to manually switch to a specific CPU or change the switch operating mode
6. Mode Status LEDs- for visual indication of switch operating mode
7. IEC Connector- for attachment of country-specific power cord
8. Power Switch- to power up or power down the UNIMUX
9. RS232-(optional) 9DB male connector- for attachment of RS232 control cable
10. CPU x- USB type B female connector-for connection of USB device cable from CPU(s)
11. DEVICES- USB type A female connector- for connection of user USB device(s)
12. VIDEO-x- 15HD female connectors- for connecting video cables from CPUs
13. MONITOR- 15HD female connector- for connection of the user video monitor
3
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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 set 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 to 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.
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Figure 1- Secure rackmount ears to switch
2. Install 4 captive nuts (not provided) 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 3/16" diameter screws (not provided). Each screw should be of sufficient length
to go completely through the NTI mounting ear, rack frame and fully engage all threads in the captive 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.
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Figure 2- Secure switch to a rack
4
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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 the cable from a VGA multi-scan monitor to the 15HD connector labeled “MONITOR” on the UNIMUX (See Fig. 3
below.)
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Figure 3- Connect a VGA multi-scan 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 "DEVICES" on the rear panel of the UNIMUX.
4. Connect the male USB type A connector on the mouse cable to the remaining USB type A female connector labeled
"DEVICES".
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Figure 4- Connect the device(s)
5
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NTI UNIMUX SERIES USB KVM SWITCH
5. When cascading switches, follow the instruction on page 29 for "Cascading".
6. Connect the AC line cord to the UNIMUX. (See Fig. 5 below.)
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Figure 5- Connect the AC line cord
7. Connect each CPU to the USB switch using a USBVEXT-xx-MM video and input device interface cable – REQUIRED
(not supplied). (See Fig. 6 below.)
8. Group the input device and monitor interface cables from each CPU, making sure that cables from the first CPU are
connected to the UNIMUX at connectors CPU 1 and VIDEO 1. Cables from the second CPU should
connect to CPU 2 and VIDEO 2 connectors...etc.
REAR VIEW OF MASTER (UNIMUX-USBV-8O)
CPU
CPU
8
4
CPU
CPU
7
3
CPU
CPU
6
2
CPU
CPU
5
1
USB DEVICES
MONITOR
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2
3
2
VIDEO
VIDEO
8
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2
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1
USBVEXT-xx-MM
USBVEXT-xx-MM
CONNECT MASTER CPU PORT 1
TO ONE USER PORT ON SLAVE1
CONNECT MASTER CPU PORT 2
ONE USER PORT ON SLAVE2
USER 2 USER 1
USER 2 USER 1
USER 4 USER 3
USER 4 USER 3
R
R
NTI
CPU 16
NTI
CPU 16
MONITOR 3
MONITOR 4
MONITOR 1
MONITOR 3
MONITOR 4
MONITOR 1
MONITOR 2
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MONITOR 2
SLAVE #2 UNIMUX 4X16
SLAVE #1 UNIMUX 4X16
Figure 6- Connect each CPU
6
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NTI UNIMUX SERIES USB KVM SWITCH
Power-Up Sequence
•
•
The UNIMUX can be powered at any time.
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.
Immediately after powering ON the UNIMUX, the following splash screen will appear on the monitor if the OSD option is built into
the switch:
If the security option is enabled (see page 12 for details on the
"Security Option"), when the UNIMUX is powered up the user will
be prompted for a username and password to continue. If the
security option is not enabled the monitor will display the desktop
image for the connected CPU and the user can continue with
normal operation of the connected CPU.
Limitations
•
Only USB input device or hub cables can be connected to the UNIMUX at the USB Type A female ports labeled "DEVICES".
(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. 7 for some examples of input device combinations that can be used with the UNIMUX.
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Figure 7- Compatible device combinations
7
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NTI UNIMUX SERIES USB KVM SWITCH
USING THE UNIMUX USB 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 DEVICES 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
mouse clicks from within some menus of OSD Command Mode (optional).
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 "Basic Command Mode" on page 8 and in
"User Access Functions" starting on page 15). 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 either of two methods:
• Basic Command Mode- operated strictly by using keyboard commands as instructed below. Basic Command Mode
is only applicable if the OSD option is not built into the switch.
• OSD Command Mode (optional)- operated using the keyboard and mouse in conjunction with OSD menus superimposed
onto the monitor. If OSD is built in, use the menus as instructed on page 12.
By pressing <Ctrl> + < ` > (accent key), the user can enter Command Mode (either Basic, or OSD). 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.
8
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NTI UNIMUX SERIES USB KVM SWITCH
MODES OF OPERATION
Basic 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
KEY)
~
Ctrl
Press
+
`
NOTE: IF THE OSD FEATURE HAS BEEN INSTALLED, PROCEED DIRECTLY TO
“OPTIONAL OSD CONTROL” ON PAGE 12. If not, continue on this page.
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. 05 06)
Increment Port
I
or
or
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
-
-
-
-
(0-9)
x
(0-9)
x
(Pxx would be P01, P02, etc.)
Selects a specific
port
P
-
Configure port to connect
To a MAC CPU
(xx= 01-32 <M> + <0> + <1> will enable function on Port 1
<M> + <3> + <2> will enable function on Port 32. Keyboard
LED's will flash once to confirm command. )
x
x
x
M
+ +
Configure port to connect
To a WINDOWS or SUN
CPU
(xx= 01-32 <W> + <0> + <1> will disable function on Port 1
<W> + <3> + <2> will disable function on Port 32. Keyboard
LED's will flash once to confirm command. )
x
W
+
+
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
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.
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NTI UNIMUX SERIES USB KVM SWITCH
Broadcast Mode
To activate Broadcast Mode press <Ctrl> + <B> from the Command Mode menu.
Broadcast Mode enables the user to type characters to more computers simultaneously. From the Change Settings menu (see
page 18) the user can edit the list of ports that receive data in Broadcast Mode. A port doesn’t receive broadcast data if one of the
following conditions is true:
- the port is not in the Broadcast Mode list
- Security Mode is enabled and the user does not have access rights to the port
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
PLEASE 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.
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
5. Reboot the CPU connected to the UNIMUX
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 8- Country Codes for international SUN keyboards
For more on international SUN keyboards, see page 29.
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NTI UNIMUX SERIES USB KVM SWITCH
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 8), 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
OSD CONTROL
OSD superimposes a menu system on the user’s video screen with a list of all connected CPUs. OSD allows CPUs to be named
(with up to 12-character names). OSD then allows selection of CPUs by that name. Connected CPUs can be listed by name or
by port number. OSD Search Mode enables the user to type in the first few characters of the CPU's name and the OSD will locate
it. Help screens assist with all OSD functions.
Security Option
The security option of the OSD Control enables an administrator to control access to CPU ports for each user. Up to 63 users
can be created. These users have controlled access to any CPU. Only the administrator can activate or deactivate the security
features. Security can be activated from the Maintenance Mode menu (page 22) with a successful administrator login for
verification purposes. Furthermore, the administrator can set a maximum idle time value after which the current user will be
logged out and the login screen displayed. This time out does not function while the OSD is active. The current security status,
idle time out, and scan dwell time are all saved and will be restored whenever power to the switch is cycled OFF, then ON. To
reset the administrator's password call NTI and have the device serial number of the UNIMUX available.
Enabling the Security Feature
To enable the security feature the administrator must first enter Command Mode from the keyboard using the sequence
<Ctrl> + <`> (accent key). The OSD menu will automatically appear on the monitor in addition to illuminating the Command Mode
indicator LED on the UNIMUX. This provides a visual way to control the UNIMUX using the keyboard and mouse.
The administrator , when setting the USB KVM switch up for the first time, may want to proceed directly to the
ADMINISTRATION Mode by typing <CTRL> +<M> , then <A>, and then <Y>.
The factory settings are:
•
•
default user name = ADMINISTRATOR
default password = ADMINISTRATOR
Note: The user name for the administrator cannot be
changed from "ADMINISTRATOR".
FYI: Capital letters are introduced by keeping the <Shift> key
pressed while typing. The <Capslock> does not work while
in OSD.
Once logged-in, follow the instructions on page 14 for setting up
users and changing the password. Once the password is setup, if
it is lost or forgotten the administrator will have to contact NTI for
assistance on clearing the password and set it up again. Within
the Administration Mode the administrator can setup each of the
users and the limitations of their use of the individual CPUs
attached to the switch.
Figure 9- Administrator Login screen
When a standard user powers up the system a security screen will appear if security has been enabled by the
administrator. The user will need to login to the switch by following the instructions on page 13 for the USER LOGIN. If the
user does not know the appropriate user name and password (setup by the administrator), contact the switch administrator for this
information. Once logged-in a user can follow the Command Mode functions described on page 16 to control the switch within
the limitations as determined by the administrator.
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NTI UNIMUX SERIES USB KVM SWITCH
User Login Mode
User login mode requires a user to login with a user name and password from the list created by the administrator. This mode will
also disable use of the front panel until the user logs in.
Function:
Keystroke:
A-Z
0-9
Adds a character to the
user name/password
(Type any alphabetical or numeric character)
Removes previous character
from the user name/password
Backspace
Enter
Submit user name/password
Exit USER LOGIN and return
to previous mode. This function
is only available if security is
not currently active.
Esc
Figure 10- User Login screen
If the password submitted is incorrect, the user will not be able to proceed.
If the password submitted is correct, the user will proceed to Normal Mode.
ADDITIONAL MODES AVAILABLE WITH SECURITY
The three modes that follow are only available if the administrator is logged in.
Administration Mode
To enter the Administration Mode menu press <A> from the
Maintenance Mode menu (page 22).
Administration Mode allows the administrator to use the
following functions:
Function:
Keystroke:
Change the administrator’s
password
C
S
U
Disable security
Update User Name List
Figure 11- Administration Mode menu
(xxx from 000 to 255. i.e. T002
would set the time-out period
for 2 minutes. 000 will disable it)
(0-2)
x
(0-9)
x
(0-9)
x
Selects the idle time in minutes
-
T
X
-
-
Change Alternate Command
Hot Key
(See page 15 for details)
Exit Administration Mode and
return to previous mode
Esc
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NTI UNIMUX SERIES USB KVM SWITCH
Administrator Password
To change the administrator password press <C> from the
Administration Mode menu.
The administrator is able to change the administrator password
as needed (see Fig. 12). Two edit fields are available, one for
password, the other for verify password. The password can be
up to 13 characters in length.
Note: The default password for the administrator is
ADMINISTRATOR.
Figure 12- Administrator password change
Function:
Keystroke:
Add character to password string
or verify password string
A-Z
0-9
(Type any upper or lower case
A-Z
Shift
or
+
alphabetical or numeric character)
Delete previous character in
edited string
Backspace
(If Password string and Verify Password string
are different, this command will have no effect,
enabling the administrator to correct the password)
Enter
Tab
Save new password.
Move to next field to be edited
Return to Administration Mode
Esc
User Name List
To enter the User Name List press <U> from the Administration Mode menu.
The User Name List displays the list of users and provides control for adding new users (up to 63), changing or assigning user
passwords, and changing access rights for any given user. User names may be up to 12 characters long, may not contain
spaces, and are not case sensitive. Passwords may be up to 15 characters long, may not contain spaces, and are case sensitive.
Function:
Keystroke:
Select previous user in the list
Select next user in the list
Page
Up
Scroll the list with one page up
Scroll the list with one page down
Page
Down
Edit selected user settings-
Enter Edit User Mode
E
Esc
Return to Administration Mode
return to previous mode
Figure 13- User Name List screen
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NTI UNIMUX SERIES USB KVM SWITCH
Edit User
To enter the Edit User mode press <E> from the User Name List after selecting a user or an empty record.
The Edit User mode (see Fig. 14) enables the administrator to:
-
-
-
add a new user
remove an existing user
edit the settings for an existing user
The Edit User mode contains three edit boxes and a check box list of
up to 32 check boxes representing the User Access List (list of the CPU
port(s) the user has access rights to).
The first edit box is used to edit the user name. The next two edit boxes
are used to input the password twice (in order to verify it was typed
correctly). The password can be up to 13 characters in length.
User Access List
The check boxes are used to control the user access to the CPU ports.
The user will only have access to check boxes with checks in them.
Figure 14- Edit the user access list
The list below describes the functions available in the Edit User mode:
Function:
Keystroke:
Add a character to user name string,
password string, or verify password
string, whichever is selected
A-Z
0-9
(Type any upper or lower case
A-Z
Shift
or
+
alphabetical or numeric character)
Switch sequentially between the
User Name edit box, Password
edit box, Verify Password edit
box, and User Access List
Tab
Navigate through User Access
List when it is active
or
Toggle access rights (check/
uncheck) of the highlighted
port in the User Access List
(Spacebar)
(If Password string and Verify Password string
are different, this command will have no effect,
enabling the administrator to correct the password)
Save the edited configuration.
Administrator will be prompted for
a Yes or No confirmation
Enter
Esc
Go back to User Name List menu
NOTE: To delete a user from the User Name List, use either the <Delete> key or the <Backspace> key to remove
characters, not the <Spacebar>. Using the <Spacebar> will overwrite the characters with spaces and retain the
user configuration in the User Name List. .
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NTI UNIMUX SERIES USB KVM SWITCH
Alternate Command Hot Key
To enable the administrator to assign a key in addition to the <`> (accent key) to use with <Ctrl> to enter into OSD Command
Mode, an Alternate Command Hot Key option is provided. The default factory setting for this option is <`> (disabling the option).
To select an Alternate Command Hot Key, press <X> from Administration Mode menu (page 13). A window will open and the
administrator will be prompted to press a key. After pressing the key, a confirmation message will appear. The administrator
should press <Y> (Yes) to validate the key as the Alternate Command Hot Key, or <N> (No) to select another key. Pressing
<Esc> will return to the Administration Mode menu.
Only the administrator is allowed to set or change the Alternate Command Hot Key. This function must be set individually for each
of the USB User Device ports on the UNIMUX USBV-x USB KVM switch .
Note: The Alternate Command Hot Key does not replace the <`> (accent) key, it just works as another way to enter into Command
Mode. After setting it, the user can enter into Command Mode either with <Ctrl> + <`> or with <Ctrl> + <Alternative Command Hot
Key> combination. To disable it, the administrator should set <`> as the Alternate Command Hot Key.
USER ACCESS FUNCTIONS
Introduction
The OSD menu enables a user to name the CPUs connected to the UNIMUX and connect to them using that name from a single
keyboard and mouse. The OSD is positioned on the user's monitor, displaying 8 CPU names at a time. The screen can be used
for switching as well as editing the CPUs’ names. Through the OSD menu, the user can operate the UNIMUX to have the switch
cycle through 3 extended modes of operation: COMMAND, BROADCAST, and SCAN . Three LEDs on the front panel indicate
when these modes are enabled.
OSD Command Mode
When entering the Command Mode from the keyboard using the <Ctrl> + <`> (accent key), the OSD menu will automatically
appear on the monitor in addition to illuminating the COMMAND indicator LED on the USB KVM switch. This provides a visual
way to control the UNIMUX.
The list below describes the OSD Command functions available from the keyboard after entering Command Mode and while the
COMMAND LED is illuminated:
Function:
Keystroke:
Select the previous port
Select the next port
Ctrl
Ctrl
Ctrl
Enable/disable Scan Mode
S
B
E
+
+
+
Enable/disable Broadcast Mode
Enter Edit Mode
Figure 15- Command Mode screen
Enter Maintenance Mode
Ctrl
Ctrl
M
T
+
+
NOTE: Edit Mode will only be accessible
if the administrator is logged in.
Enter Change Settings Menu
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NTI UNIMUX SERIES USB KVM SWITCH
OSD Command Mode (Cont'd)
Function:
Keystroke:
(0-9)
x
(0-9)
x
(Pxx would be P01, P02, etc.)
Selects a specific port
Ctrl
-
P
-
+
Enters Search Mode and adds a character
to search string and selects the CPU’s
name that matches best.
A-Z
0-9
(Type any alphabetical or numeric character)
Home
End
Selects the first port on the switch
Selects the last port on the switch
Display Help Menu
F1
Enter
Switch to a selected port
Update Configuration
(Use this command to update the information
Tab
describing the structure of the cascaded
switches. Used if a slave is powered-ON or
OFF at any time after initial startup.)
Ctrl
+
(Display information about the selected port. When pressed,
a window displays the port name and its position in the configuration
structure by level and port number.)
Display port information
F3
Exit OSD Command Mode
Esc
Press <CTRL> while in the Command Mode menu
to display the Edit, Maintenance, Port, and Settings
control features.
Note: The user must exit Command Mode to
type to a CPU.
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.
Figure 16- More Command Mode features
The mouse can also be used to control the UNIMUX within the Command Mode menu.
•
•
•
The mouse cursor can be moved to the Scan, Help, Broadcast, Settings, Maintenance, and Exit fields where the user
can then click on the left mouse button to perform that function.
Ports listed on the screen can be selected by moving the cursor onto that port and clicking. Clicking twice on a
selected port will switch to that port and exit Command Mode.
To change the displayed ports on the screen simply click on the up and down arrows located to the right of the port
names displayed.
Broadcast Mode
To activate Broadcast Mode press <Ctrl> + <B> from the Command Mode menu.
Broadcast Mode enables the user to type characters to more computers simultaneously. From the Change Settings menu (see
page 19) the user can edit the list of ports that receive data in Broadcast Mode. A port doesn’t receive broadcast data if one of the
following conditions is true:
- the port is not in the Broadcast Mode list
- Security Mode is enabled and the user does not have access rights to the port
Note: The user must type somewhat slowly when in Broadcast Mode (less than 20 wpm) and cannot use the
<Backspace> key.
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NTI UNIMUX SERIES USB KVM SWITCH
Scan Mode
To activate Scan Mode press <Ctrl> + <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.
Note: The scan dwell time set by the user only effects that user and has no effect on other switch users.
Normal Mode
When the UNIMUX is not in Command, Broadcast, or Scan mode and 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 USB KVM switch.
Edit Mode
Note: Edit Mode will only be accessible if the administrator is logged in.
To activate Edit Mode press <Ctrl> + <E> from the Command Mode menu.
Edit Mode enables the administrator to modify the names of the CPUs connected to the switch. Names of CPUs can be up to 12
characters in length. Use the <Shift> key to introduce capital letters (the <Capslock> does not work in OSD).
Function:
Keystroke:
Move cursor one position
to the right
Move cursor one position
to the left
Move cursor to the
previous port
Move cursor to the
next port
Selects the first port on
the switch
Home
End
Figure 17- Edit Mode screen
Selects the last port on
the switch
Toggles between insert
and overstrike
(The character either gets inserted and the remainder of the name
gets shifted to the right, OR the current character gets overwritten.)
Insert
Erase current character
Delete
Backspace
Erase previous character
When finished making changes in Edit Mode, press <Enter> and a prompt will appear to press either <Y> to save the changes or
<N> to continue making changes without saving the changes just made. If the <Esc> key is pressed instead of <Enter>, all
changes made will be ignored and the display will return to the previous menu.
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NTI UNIMUX SERIES USB KVM SWITCH
Change Settings
To enter the Change Settings menu (see Fig. 18) press <Ctrl>+<T> from the Command Mode menu.
The list below describes the Change Settings menu functions available from the keyboard:
Function:
Keystroke:
Go to Broadcast Mode Configuration
B
S
Go to Scan Mode Configuration
Go to Language Selection Menu
L
T
(Option only available if the
administrator is logged in)
Change the scan dwell time period
Configure ports for MAC or non-
MAC CPUs (Administrator only)
M
R
Enable/Disable right mouse button
click emulation
Exit from Change Settings
Return to Command Mode
Esc
Figure 18- Change Settings menu
When the <T> is pressed, an edit field showing the actual value of the scan dwell time is displayed at the bottom of the Change
Settings menu. The user can introduce a new value for scan dwell time and press <Enter> to save it or <Esc> to exit. Any value
between 002 and 255 (seconds) is acceptable.
Select Ports For Broadcast
To Select Ports For Broadcasting, press <B> from the Change Settings menu (see Fig. 18).
The Select Ports For Broadcast menu (see Fig. 19) enables the user to select specific ports to be active in Broadcast Mode. Only
the selected ports will receive keyboard messages in Broadcast Mode.
A check list with all the port numbers will be displayed in the window.
•
unchecked box = the corresponding port is not in the
broadcast list
•
checked box = the corresponding port is in the
broadcast list
The user can toggle the state of the selected check box by
pressing <Spacebar> or clicking the left mouse button.
•
•
press <S> to check all of the ports
press <C> to uncheck all of the ports
The selected port is highlighted with a green bar. To select another
port, the user can use the arrow keys or mouse movement. The
name of the selected port is displayed at the bottom left of the
menu.
When <Esc> is pressed the display will return to the Change
Settings menu. The broadcast selection list is automatically saved.
Figure 19- Select ports for broadcasting
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NTI UNIMUX SERIES USB KVM SWITCH
Select Ports For Scan
To Select Ports For Scanning, press <S> from the Change Settings menu described on page 19.
The Select Ports For Scan menu enables the user to select
specific ports to be active in Scan Mode. Only the selected ports
will be scanned in Scan Mode.
A check list with all the port numbers preceded by a check-box
will be displayed in the window.
•
unchecked box = the corresponding port is not in the
scan list
•
checked box = the corresponding port is in the scan
list
The user can toggle the state of the selected check box by
pressing <Spacebar> or clicking the left mouse button.
•
•
press <S> to check all of the ports
press <C> to uncheck all of the ports
Figure 20- Select ports for scanning
The selected port is highlighted with a green bar. To select another port, the user can use the arrow keys or mouse movement.
The name of the selected port is displayed at the bottom left of the menu.
When <Esc> is pressed the display will return to the Change Settings menu. The scan selection list is automatically saved.
Language Selection
Note: The LANGUAGE SELECTION option will only be accessible if the administrator is logged in.
To enter the Select Language menu press <L> from the Change
Settings menu described on page 19.
The Language Selection menu enables the user to manually
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. Windows keyboards).
To choose a language, scroll through the menu (using either the
mouse or up/down arrows) and when the desired language is
highlighted press <Enter> on the main keyboard. The selected
language will be highlighted in red. Press <Esc> to return to the
Change Settings menu.
Figure 21- Select the keyboard language
For more on International Sun keyboards, see page 29.
MAC Ports Configuration
Note: The CONFIGURE MAC PORTS option will only be accessible if the administrator is logged in.
MAC Ports Configuration menu enables the administrator to select specific ports to be connected to MAC CPUs for passing
mouse information to the MAC CPUs. This is useful when the user wants to use mouse drivers provided by the mouse vendor,
which allows the use of programmable functions for each button. Ports should be configured at installation time or whenever
necessary. After setting, the configuration is stored in non-volatile memory and will be retrieved whenever the switch is power
ON. When the port is connected to a Windows or SUN CPU, this configuration SHOULD BE DISABLED. By default, all ports are
configured as non-MAC CPUs (Windows and SUN).
Note: If a port is configured as connected to a non-MAC CPU, but is in fact connected to a MAC CPU, the mouse will
still work as a generic mouse. No special functions provided by software drivers will be available.
To enter the MAC Ports Configuration menu, the administrator must press <M> from the Change Settings menu, described on
page 18.
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NTI UNIMUX SERIES USB KVM SWITCH
A check list with all the ports numbers preceded by a check-box will be displayed in the window.
•
unchecked box = the corresponding port is set as
connected to a non-MAC CPU
•
checked box = the corresponding port is set as
connected to a MAC CPU
In order to change the status of a port, the administrator has to first
select the port. The selected port is highlighted with a green bar.
To select another port, the administrator can use the arrow keys or
mouse movement. The name of the selected port is displayed at the
bottom left of the menu, right above the yellow bar.
The administrator can toggle the state of the selected check box by
pressing the <Spacebar> or clicking the left mouse button.
•
•
Press <S> to check all the ports
Press <C> to uncheck all the ports
Figure 22- Configure Ports for MAC screen
When <Esc> is pressed, the display will return to the Change Settings menu. The list is automatically saved.
The settings apply to all users of the switch.
Search Mode
To enter Search Mode, type any alphabetical or numeric character
when the Command Mode menu is on the monitor.
Search Mode enables the user to enter and maneuver through a
list of CPU names. The CPU name best matching the characters
typed is selected. The list of CPUs may also be searched for a
specific (or similar) name. The following commands are valid when
the search option has been invoked from Command Mode.
Function:
Keystroke:
Erase previous character
in search name
Backspace
Figure 23- Search Mode screen
Add a character to the search
string and select the best
matching CPU name
A-Z
0-9
(Type any alphabetical or numeric character)
Exit Search Mode, return to
Command Mode
Esc
Enter
Switch to selected port
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NTI UNIMUX SERIES USB KVM SWITCH
Maintenance Mode
To enter Maintenance Mode press <Ctrl>+<M> from the Command Mode menu.
Maintenance Mode enables a user to customize the On Screen Display to their requirements.
Function:
Keystroke:
Reset all of the port names
R
Toggle between numeric and
alphabetic listing of ports
L
Move On Screen Display (OSD)
menu up on monitor
Move OSD menu down on
monitor
Move OSD menu to the right
Figure 24- Maintenance Mode screen
Move OSD menu to the left
Make OSD menu taller
Make OSD menu shorter
T
S
Change user password.
(Present only when a standard
user is logged in.)
P
Log current user out and return
to User Login Mode.
Q
Activate security features.
Present only when security is
available but not active.
FYI: If activating security features, the user will be
prompted for a “Y” (yes) or “N” (no) to confirm the
menu choice, at which point the user will be asked
for a username and password before continuing.
Only the administrator can activate the security
features.
A
Enter Administration Mode.
Option present only when Administrator
is logged in.
Enter
Save OSD window parameters
for the port
Return to Command Mode
Esc
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NTI UNIMUX SERIES USB KVM SWITCH
Help Mode
To enter Help Mode press the <F1> key from the Command Mode menu (on page 17).
Help Mode displays a list of commands with a short explanation of their function. These lists are organized in pages for each
mode (i.e. COMMAND, EDIT, and SEARCH). The following options enable the user to quickly obtain information on any
command.
Function:
Keystroke:
Page
Up
View the previous page of help
if available
Page
Down
View the next page of help
if available
Exit HELP and return to previous
mode
Esc
F3- Display Information
To display information about a selected port, pressing the <F3> key from within the Command Mode main menu will cause a
window to open. The window will show the name of the port and its position in the system structure, level by level. This is most
useful when cascading switches (for Cascading see page 29). An example of this structure might be
LEVEL 1 : PORT 5
LEVEL 2 : PORT 3
This means that the CPU connected through this port is actually connect through Port 5 of the master switch (Level 1), and
through port 3 of the slave connected to port 4 (Level 2). See Fig. 25 below.
U
S
E
R
1
U
S
E
R
P
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T
S
U
N
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X
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5
U
S
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A
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P
U
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O
R
T
S
C
P
U
P
O
R
T
3
C
P
U
Figure 25- Information provided by the F3 command
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NTI UNIMUX SERIES USB KVM SWITCH
RS232 CONTROL
(Optional)
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 26)
use the Matrix Switcher's Control Program (page 27) provided on the CD
use the SerTest program (page 27) 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 DB-9 connector(s) on the unit is as follows:
RS232 CONNECTOR (DB-9 FEMALE)
PIN
1
SIGNAL
CD
FUNCTION
Carrier Detect
2
TXD
RXD
DTR
GND
DSR
RTS
CTS
-
Transmit data (RXD at host)
Receive data (TXD at host)
Data terminal ready
Signal ground
3
4
5
6
Data set ready
7
Request to send
Clear to send
8
9
No connection
Note: Security must be disabled or user access granted on the port(s) to be selected by RS-232 control.
On the DB-9 female connector, pins 1 (DCD), 4 (DTR), and 6 (DSR) are shorted and pins 7 (RTS) and 8 (CTS) are shorted.
Therefore, host handshaking is bypassed and TXD and RXD are the only active signals. A straight through DB-9 cable (not null
modem) will work for most CPUs. To daisy chain multiple units, a Matrix Y-1 cable is used (see page 24) for each UNIMUX in the
chain. The last unit will have no connection on its output port and should have DIP switch 1 ON (see table under "Unit Address
and Loop Back" on page 25).
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.
DIP SWITCH
BAUD RATE
4
3
2
OFF OFF OFF
OFF OFF ON
300
600
OFF ON
OFF ON
OFF
ON
1200
2400
4800
ON
ON
ON
ON
ON
OFF OFF
OFF ON
ON
ON
OFF
9600
OFF
ON
1 2 3 4 5 6 7 8
Figure 26- RS232 dip-switches
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NTI UNIMUX SERIES USB KVM SWITCH
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 table below to set the unit
address.
DIP SWITCH
UNIT ADDRESS
Note: The "loop back" RS232 dip switch (RS232 dip
switch 1) should be ON for the last unit in the chain, and
OFF for all other units. If only one unit is being controlled,
the loop back dip-switch should be left ON.
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
2
3
4
5
6
7
Note: In order to connect multiple NODEMUX units
together a Matrix-Y-1 cable must be used. (See Fig. 27.)
See Fig. 28 for the pinout of the Matrix-Y-1 cable.
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
RS232
Serial Port
Matrix-Y-1
Matrix-Y-1
Matrix-Y-1
RS232
CPU
RS232
RS232
NTI
NTI
NTI
SWITCH
SWITCH
SWITCH
First Unit
Second Unit
Last Unit
Figure 27- 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 28- 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.
C
P
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S
W
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0
1
,
0
1
,
0
3
<
C
R
>
*
<
C
R
>
<
C
R
>
Figure 29- 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 Matrix Switcher's Control Program or SerTest to control the
UNIMUX via RS232 (see page 27).
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 25), 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
Matrix Switcher's Control Program For Windows 9X, NT, AND 2000
The Matrix Switcher's Control Program is an easy and powerful graphical program that controls NTI switches through an RS232
interface. The Matrix Switcher's Control Program is included on the CD packaged with the UNIMUX. The Matrix Switcher's
Control Program is downloaded by clicking on the link "Download Matrix Switcher's Control Program".
To install the Matrix Switcher's 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
The Matrix Switcher's Control Program performs best on monitors set to a screen resolution of at least 800 X 600. Instruction for
using the Matrix Switcher’s 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 MATRIX SWITCHER'S 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.
•
•
•
•
Matrix 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:
MATRIX 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 (only applicable to models with audio support)
- connect an output to an input (Audio ports only)
6) Connect All Audio Outputs/Users to an Input/CPU (only applicable to models with audio support)
- connect all outputs to an input (Audio ports only)
7) Change Mute Status for Audio Output/User (only applicable to models with audio support)
- mute or un-mute the Audio port output
8) Change Volume for Audio Output/User (only applicable to models with audio support)
- change Audio port output volume
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NTI UNIMUX SERIES USB KVM SWITCH
9) Read Connection for Output/User
- read what input is connected to the specified output
a) Read Connection for Audio Output/User (only applicable to models with audio support)
- read what input is connected to the specified output
b) Read Mute Status and Volume for Audio Output/User (only applicable to models with audio support)
- read the volume and the mute status of the specified output (Audio ports only)
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 RS-232 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
MOUSE CLICK EQUIVALENTS
To emulate a right button click using Apple 1 button mouse, hold down the Command key (
button.
) while pressing the mouse
Note: Right mouse button emulation must be enabled (see Change Settings on page 19) for this to work.
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. 30 on page 30 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
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Figure 30- 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 from the UNIMUX
2. Connect the international keyboard to be used to the UNIMUX
3. Power-ON the CPU 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 9 (for switches without OSD feature) or on page 19 (for
switches with OSD feature).
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NTI UNIMUX SERIES USB KVM SWITCH
CASCADING
The UNIMUX-USBV-x USB KVM switch can be cascaded as shown in Fig. 31 below. Single user and multi-user UNIMUX
switches may be connected downstream (see Figs.33 and 34). The first switch in a cascaded system is referred to as the
"master", while all downstream switches are referred to as "slaves". The only additional hardware required to cascade switches is
a set of device and monitor cables for each “SLAVE UNIT” (see MATERIALS on page 1). All CPUs and switches can then be
controlled by users using OSD commands with Command Mode.
Notes:
•
•
•
The UNIMUX USB KVM switch must have OSD installed to use cascading.
Cascading is not an option in the UNIMUX-USBV-2 2 port USB KVM switch
If the UNIMUX-USBV-x is connected in a cascaded system with earlier UNIMUX-USBV-x switches (product made
prior to 10-1-04), then the dipswitches must be configured as indicated on page 30 and REXT-SR-xx cables must be
used as shown in figure 28.
•
Slaves in a cascaded system must be either all single-user switches or all multi-user switches, but not a
combination of both.
Configuration
In a cascaded system with single-user switches as slaves, if all switches being cascaded were made on or after 10-1-04, then no
additional configuration is necessary. If any single-user switches in the cascaded system were made prior to 10-1-04, then all
units must be configured using the 6-position dip switch (located on the front of each unit) according to the tables on page 32
(Table 1 and Table 2).
A cascaded system using multi-user switches as slaves requires no additional configuration.
Cascaded Installation
a. Follow the instruction under Configuration above before proceeding.
b. Using the 15HD video cable ends of a USBVEXT-xx-MM cable, connect the USB KVM slave's MONITOR port to the master’s
VIDEO 1 port.
c. Using the USB ends of the same USBVEXT-xx-MM cable, connect one of the USB slave’s USB DEVICES ports to the
master’s CPU 1 port.
Note: Only one of the two ports labeled DEVICES on a slave needs to be used in order for cascading to work.
d. Repeat step b. & c. for each additional slave, keeping in mind that each slave will connect to the next available master’s
port (i.e. Slave #2 to master’s VIDEO 2 & CPU 2, etc.) See Fig. 33 on page 33.
e. With a RMT extension cable, connect the master’s DAISY OUT port to slave #2’s DAISY IN port. Then connect slave #2’s
DAISY OUT to slave #3's DAISY IN. Continue until all slaves are connected together.
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The REXT-SR-xx cable shown is only required if
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10-1-04. Otherwise it may be omitted.
U
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Figure 31- Connections for Cascading
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NTI UNIMUX SERIES USB KVM SWITCH
.
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Figure 32- Cascaded configuration with multi-user slaves
FYI: Any USER and MONITOR ports on a multi-user switch connected as a slave that do not get connected to the master
can be connected to by users (for example users 5-8 in Fig. 30). Users connected to a slave downstream from the
master will control only the CPUs directly connected to that slave switch (i.e. users 5 and 6 in Fig. 32 above can only
control CPUs 25-40).
Front Panel Configuration Switches
Table 1 * (default settings)
Switch
STAND-ALONE SWITCH
SLAVE
MASTER W/4-PORT SLAVES
MASTER W/8-PORT SLAVES
MASTER W/16-PORT SLAVES OFF
SW1
OFF* OFF*
ON
OFF
OFF
SW5
SW6
OFF*
OFF
ON
OFF
ON
OFF
OFF
ON
ON
Table 2 * (default settings) Master & Slave dip-switch 2-4 Settings
SW2
OFF*
OFF
SW3
OFF*
OFF
SW4
OFF*
OFF
Master with-
No Slave Attached
1 Slave attached
Slave Setting
N/A
Slave #1
These switch settings (Table 2) enable the slave to
establish its identity (i.e. location in the group) to the
Master.
OFF
OFF
OFF
ON
ON
ON
OFF
ON
ON
OFF
OFF
ON
ON
OFF
ON
OFF
ON
OFF
ON
2 Slaves attached
3 Slaves attached
4 Slaves attached
5 Slaves attached
6 Slaves attached
7 Slaves attached
8 Slaves attached
Slave #2
Slave #3
Slave #4
Slave #5
Slave #6
Slave #7
Slave #8
Side Note: In a Master, the same switches are used to
configure the Master for how many slaves are attached
to it.
ON
ON
Note: All UNIMUX-USBV-x switches must be powered OFF during dip-switch configuration
Note: Dip-switches only need to be configured if one or more slave switches was made prior to 10-1-04. Otherwise, all
switches should be OFF.
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NTI UNIMUX SERIES USB KVM SWITCH
M
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Figure 34- Master to slave cable connections- multi-user switches
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NTI UNIMUX SERIES USB KVM SWITCH
Limitations
¾
If any switches made prior 9/22/04 are used as slaves, then all switches used as slaves must have the same number of CPU
ports (all 4, 8, or 16 CPU ports).
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Up to 8 slaves may be connected to form a maximum system size of 152 ports (1x32 port master + 8x16 port slaves).
Slaves must be added to the master in order (slave #1 to master’s port 1, slave #2 to master’s port 2, etc).
FYI: Master Port 1 (with an 8-port Slave connected to it) will become ports 1-8 (1-4 for a 4-port slave). Master Unit Port 2
(with a second 8-port Slave Unit connected) will become port numbers 9-16 (5-8 for a 4-port slave).
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All UNIMUX-USBV-x switches must be powered OFF during dip-switch configuration.
The front panel buttons are only used to operate standalone switches. To control a cascaded network of switches, only the
OSD commands within Command Mode will be recognized.
Note: Cascading is not an option in the UNIMUX-USBV-2 2 port 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.
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.
MAN035 Rev 3/5/07
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