Network Technologies Switch UNIMUXUSBVXHD User Manual
UNIMUXTM Series  
UNIMUX-USBV-xHD  
High Density VGA USB KVM Switch  
Installation and Operation Manual  
MAN039 Rev 12/8/08  
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TABLE OF CONTENTS  
INTRODUCTION................................................................................................................................................... 1  
MATERIALS.......................................................................................................................................................... 2  
Materials Supplied: ......................................................................................................................................... 2  
Materials Not Supplied, but REQUIRED ....................................................................................................... 2  
FEATURES AND FUNCTIONS............................................................................................................................. 3  
Additional Features............................................................................................................................................ 4  
RACK MOUNTING INSTRUCTIONS.................................................................................................................... 5  
To Mount to a Rack ........................................................................................................................................... 5  
INSTALLATION..................................................................................................................................................... 6  
RS232 Connection............................................................................................................................................. 9  
Limitations........................................................................................................................................................ 10  
USING THE UNIMUX USB KVM SWITCH......................................................................................................... 11  
Basic Operation ............................................................................................................................................... 11  
Front Panel Control.......................................................................................................................................... 11  
Keyboard Control............................................................................................................................................. 11  
OSD CONTROL.................................................................................................................................................. 12  
Guidelines for Navigating OSD Menus............................................................................................................ 12  
Security Option ................................................................................................................................................ 12  
Initial startup .................................................................................................................................................... 13  
User Access Functions.................................................................................................................................... 13  
Command Mode ........................................................................................................................................... 13  
Settings......................................................................................................................................................... 15  
OSD Settings ................................................................................................................................................ 16  
Find Mode..................................................................................................................................................... 16  
Help Mode..................................................................................................................................................... 17  
Scan Mode.................................................................................................................................................... 17  
Broadcast Mode............................................................................................................................................ 18  
Normal Mode ................................................................................................................................................ 18  
F3- Display Information.................................................................................................................................... 19  
Security............................................................................................................................................................ 20  
Enabling Security.......................................................................................................................................... 20  
Password and User Name......................................................................................................................... 20  
User Login..................................................................................................................................................... 21  
Additional OSD Modes Available With Security Enabled................................................................................ 21  
Administration Menu..................................................................................................................................... 21  
System Configuration ................................................................................................................................... 22  
Port Configuration......................................................................................................................................... 22  
User Configuration........................................................................................................................................ 23  
Edit User Account ......................................................................................................................................... 23  
User Access Control..................................................................................................................................... 24  
Change Administrator Password .................................................................................................................. 24  
Display Usage............................................................................................................................................... 25  
Idle Timeout .................................................................................................................................................. 25  
OSD Blank Timeout...................................................................................................................................... 25  
ii  
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Alternate Command Hot Key........................................................................................................................ 26  
Reset Port names ......................................................................................................................................... 26  
Select Keyboard Language .......................................................................................................................... 26  
Security Configuration .................................................................................................................................. 27  
Serial Baud Rate........................................................................................................................................... 28  
Serial Address............................................................................................................................................... 28  
Keyboard Mapping........................................................................................................................................... 29  
Key Equivalents............................................................................................................................................... 29  
Mouse Click Equivalents.................................................................................................................................. 29  
SUN’s 16 Extra Keys .................................................................................................................................... 29  
RS232 CONTROL............................................................................................................................................... 31  
Remote Connection...................................................................................................................................... 31  
Baud Rate.................................................................................................................................................. 31  
Unit Address and Loop Back..................................................................................................................... 31  
RS232 Command Protocol.............................................................................................................................. 33  
RS232 Command Protocol Quick Reference............................................................................................... 33  
Autostatus.................................................................................................................................................. 34  
NTI Switch Control Program For Windows 9X, NT, 2000, XP and Vista ........................................................ 34  
SerTest- RS232 Interface Test Program......................................................................................................... 35  
Main Options................................................................................................................................................. 35  
Matrix Operations.......................................................................................................................................... 35  
Setup Options ............................................................................................................................................... 35  
RMTEST-RS232 Interface Test Program........................................................................................................ 36  
CASCADING....................................................................................................................................................... 37  
Limitations........................................................................................................................................................ 37  
Cable Connections .......................................................................................................................................... 37  
Operating Cascaded Switches ........................................................................................................................ 38  
SUN RAY SUPPORT.......................................................................................................................................... 39  
FIRMWARE UPGRADE PROCEDURE.............................................................................................................. 40  
Requirements .................................................................................................................................................. 40  
PREPARATION FOR UPGRADE ................................................................................................................... 41  
UPGRADE PROCEDURES............................................................................................................................. 42  
Start the Bootloader...................................................................................................................................... 42  
Update the User Controller Firmware........................................................................................................... 43  
Update the HID Port Controller Firmware..................................................................................................... 43  
Update the Vendor Specific Port Controller Firmware.................................................................................. 44  
Read the Checksum of HID or Vendor Specific Port Controller Firmware................................................... 45  
SAFETY STATEMENTS ..................................................................................................................................... 46  
CABLES .............................................................................................................................................................. 46  
TROUBLESHOOTING ........................................................................................................................................ 47  
SPECIFICATIONS .............................................................................................................................................. 47  
INDEX.................................................................................................................................................................. 48  
WARRANTY INFORMATION.............................................................................................................................. 48  
iii  
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TABLE OF FIGURES  
Figure 1- Secure rackmount ears to switch............................................................................................................................. 5  
Figure 2- Secure switch to a rack ........................................................................................................................................... 5  
Figure 3- Install user monitor .................................................................................................................................................. 6  
Figure 4- Install user touch screen monitor............................................................................................................................. 6  
Figure 5- Install user devices (mouse and keyboard) ............................................................................................................. 7  
Figure 6- Use USB-A+A-5M to extend a device, or a computer.............................................................................................. 7  
Figure 7- Connect each CPU using a HDUSBVEXT-xx-MM cable......................................................................................... 8  
Figure 8- Connect cable for RS232 control............................................................................................................................. 9  
Figure 9- Compatible device combinations........................................................................................................................... 10  
Figure 10- Command Mode main menu-User....................................................................................................................... 14  
Figure 11- Administrator’s main menu .................................................................................................................................. 15  
Figure 12- Settings menu...................................................................................................................................................... 15  
Figure 13- OSD Settings screen........................................................................................................................................... 16  
Figure 14- Find Mode in use................................................................................................................................................. 16  
Figure 15- Main Menu help screen ....................................................................................................................................... 17  
Figure 16- Scan List.............................................................................................................................................................. 17  
Figure 17- Broadcast List...................................................................................................................................................... 18  
Figure 18- Port information- system structure....................................................................................................................... 19  
Figure 19- User login screen................................................................................................................................................. 20  
Figure 20- Administrator's main menu .................................................................................................................................. 20  
Figure 21- User Login screen with........................................................................................................................................ 21  
Figure 22- Administration Mode Menu.................................................................................................................................. 21  
Figure 23- System Configuration menu ................................................................................................................................ 22  
Figure 24- Port Configuration menu...................................................................................................................................... 22  
Figure 25- User Configuration............................................................................................................................................... 23  
Figure 26- User Account menu............................................................................................................................................. 23  
Figure 27- Access Control list............................................................................................................................................... 24  
Figure 28- Administrator password menu........................................................................................................................ 24  
Figure 29- Usage Statistics Page ......................................................................................................................................... 25  
Figure 30- Change value of Idle Timeout.............................................................................................................................. 25  
Figure 31- Change the value of OSD Blank Timeout............................................................................................................ 25  
Figure 32- Alternate Command Hot Key selection window................................................................................................... 26  
Figure 33- Select Language menu........................................................................................................................................ 26  
Figure 34- Security Configuration ......................................................................................................................................... 27  
Figure 35- Login screen with security disabled..................................................................................................................... 27  
Figure 36- Adjust Baud Rate................................................................................................................................................. 28  
Figure 37- Adjust Serial Address .......................................................................................................................................... 28  
Figure 38- Keyboard layouts................................................................................................................................................. 30  
Figure 39- RS232 connection with Matrix-Y-1 cable............................................................................................................. 32  
Figure 40- Pinout of Matrix-Y-1 cable ................................................................................................................................... 32  
Figure 41- Cascading with only single-user units.................................................................................................................. 37  
Figure 42- Cascaded connections with multi-user slaves ..................................................................................................... 38  
Figure 43- Preparation for firmware upgrade........................................................................................................................ 41  
iv  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
INTRODUCTION  
The UNIMUX-USBV-xHDU High Density VGA 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. Video formats up to 2048X1536 at 150MHz bandwidth can be displayed from all platforms.  
Types of User Input Devices Supported:  
•
Most USB Keyboards and Mice, corded and wireless  
Types of CPUs Supported:  
Any USB CPU supporting USB version 1.0 or above including:  
•
•
•
•
USB Windows (all)  
USB MAC  
USB SUN  
Linux  
Other Devices Supported:  
•
•
•
Touch screen monitors  
Smart boards  
CAC Card readers  
Note: These devices are not supported when the UNIMUX is cascaded.  
Option:  
Extra USB device port for connection of USB cable from touch screen monitor or CAC card reader- add a “U” to the part number  
(i.e. UNIMUX-USBV-xHDU)  
1
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
MATERIALS  
Materials Supplied:  
•
•
•
•
•
•
•
NTI UNIMUX-USBV-xHD High Density USB KVM Switch  
IEC Power cord- country specific  
Rackmount kit (4, 8, and 16 port models only)  
CD with pdf file of this manual and RS232 control software  
DB9 Female-to-RJ45 Female adapter  
DB25 Female-to-RJ45 Female adapter  
5 foot RJ45-to-RJ45 CAT5 patch cable  
Materials Not Supplied, but REQUIRED  
•
HDUSBVEXT-xx-MM cable for each CPU being connected to the switch  
Where:  
xx is the length of the cable in feet (3,6,10, or 15 feet available)  
MM indicates male-to-male connector  
HD15 Male  
High Density  
HD15 Male  
Video  
HDUSBVEXT-xx-MM  
15HD-Male  
15HD-Male  
(3,6,10 and 15 foot cables available)  
USB Type A  
Male  
USBType A Male  
Cables can be purchased from Network Technologies Inc by calling 800-RGB-TECH (800-742-8324) or 330-562-7070  
or by visiting our website at www.networktechinc.com.  
See page 46 for some of the available cables.  
2
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
1
2
Broadcast Command  
Scan  
R
R
UNIMUX  
1
9
2
3
4
5
6
7
8
NTI  
Network Technologies Inc  
10  
11  
12  
13  
14  
15  
16  
MONITOR  
RS232  
CPU 15  
7
14  
6
CPU  
CPU 11  
3
10  
2
CPU  
16  
8
13  
5
12  
4
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
3
4
5
6
7 8  
9
FEATURES AND FUNCTIONS  
1. CPU Select Switches- push to manually switch to a specific CPU or change the switch operating mode  
2. Mode Status LEDs- for visual indication of switch operating mode  
3. IEC Power Connector- for attachment of power cord  
4. Power switch- for turning the power to the UNIMUX On/Off  
5. CPU x- 15HD yellow female high-density connectors- for connection of CPU cables for video and device support  
6. USB User Device- USB Type A female connectors- for connection of user device cables;  
7. USB User Device- for USB cable from touch screen monitor or CAC card reader (UNIMUX-USBV-xHDU models only)  
8. MONITOR x- 15HD female connectors- for connection of user monitors  
9. RS232- RJ45 female- for attaching RS232 interface cable from a CPU to control the functions of one or more switches  
3
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
Additional Features  
•
•
Any USB type user device can control any USB CPU (Windows, MAC, and SUN platforms).  
Power cycle circuit control allows the UNIMUX switch to be powered OFF, then ON, at any time without affecting the attached  
CPUs. (This assumes that the CPU supports hot plugging.)  
•
•
•
•
•
•
•
•
•
Security features can be enabled.  
A microprocessor is dedicated to each CPU, preventing connected CPUs from locking up.  
Any user device cable can be hot-plugged.  
The front panel LEDs indicate the CPU the user is connected to.  
No dip-switches or jumpers necessary to configure.  
Video formats up to 2048X1536 can be displayed from all platforms.  
Users can control the switch using the On Screen Display (OSD)  
RS232 control allows control of the switch with one CPU serial port. (Windows-based software is provided.)  
NTI Switch Control Program provides easy and powerful graphical control of NTI switches through the RS232 interface.  
(Windows only.)  
4
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
RACK MOUNTING 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 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.  
NTI Switch  
Front of Switch  
6-32x3/16"  
Flat Head  
Screws  
(Provided)  
Rackmount Ear  
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.  
NTI Switch  
Rack  
Captive Nuts  
(not provided)  
3/16" Diameter Screws  
(not provided)  
Figure 2- Secure switch to a rack  
5
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
INSTALLATION  
It is not necessary to turn OFF power to CPUs or monitors during this installation unless RS232 is going to be connected. All  
cables, except for the RS232 cables, may be hot plugged.  
If using RS232 Control see RS232 section on page 31 for more information. Observe normal precautions when connecting the  
RS232 cables to the CPU. Refer to the owner’s manual for the CPU being connected for precautions, if any.  
1. Connect the 15HD male cable end from the user monitor to the female black 15HD port marked “MONITOR x” on the rear of  
the UNIMUX switch (see Figure 3 ). If a touch screen monitor is being connected (models with touch screen support only),  
connect the USB cable from the monitor to any one of the USB type A connectors in the same user device port group (see Figure  
4 ).  
Rear View of UNIMUX-USBV-16HDU  
MONITOR  
RS232  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
16  
8
15  
7
12  
4
11  
3
13  
5
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
Existing Cable  
15HD Female  
Video Connector  
VGA  
Multi-Scan  
Monitor  
15HD Male  
Video Connector  
Figure 3- Install user monitor  
Rear View of UNIMUX-USBV-16HDU  
MONITOR  
RS232  
16  
8
CPU  
15  
7
14  
6
CPU  
12  
4
CPU  
11  
3
10  
2
CPU  
13  
5
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
Existing Cable  
Existing Cable  
15HD Female  
Video Connector  
VGA  
Touch Screen  
Monitor  
15HD Male  
Video Connector  
USB Type A Male  
Figure 4- Install user touch screen monitor  
6
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
2. Connect the user devices to the USB type A female ports labeled with the USB symbol (  
switch (see Figure 5 ).  
) on the rear of the UNIMUX  
Note: If there are three (3) USB type A female ports present (models with CAC card reader or touch screen support only),  
then the third USB port is available for connection of a USB cable from a touch screen type monitor or CAC card reader.  
The USB ports are not device specific, so the mouse, keyboard, and touchscreen monitor or CAC card reader cable can  
be connected to any of the available USB ports present.  
Note: If device cables are not long enough to reach the UNIMUX switch, they can be extended either 5 or 10 meters  
using either 1 or 2 NTI USB-A+A-5M Improved Active USB 5 Meter Extensions (see Figure 6)- purchased separately.  
Contact your NTI salesperson for more details by calling (800) 742-8324 (800-RGB-TECH) or (330) 562-7070 or visit our  
website at http://www.networktechinc.com.  
Note: Only one non-HID (Human Interface Device) can be connected to the UNIMUX at a time. (i.e. if a CAC card reader  
is present, then a touch screen monitor cannot be used)  
Rear View of UNIMUX-USBV-16HDU  
MONITOR  
RS232  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
16  
8
15  
7
12  
4
11  
3
13  
5
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
USB Type A Female  
USB Type A Male  
USB Type A  
Male Connectors  
USB  
Mouse  
CAC  
Reader  
USB Keyboard  
Figure 5- Install user devices (mouse and keyboard)  
USB-A+A-5M  
NETWORK  
R
TECHNOLOGIES  
INCORPORATED  
TO UNIMUX  
SWITCH  
NTI  
1275 Danner Drive  
Aurora,Ohio 44202  
Tel: 330-562-7070  
Fax: 330-562-1999  
www.nti1.com  
USB KEYBOARD  
USB TYPE A  
MALE CONNECTOR  
USB TYPE A  
FEMALE CONNECTOR  
Figure 6- Use USB-A+A-5M to extend a device, or a computer  
7
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
3. For each CPU:  
•
•
•
Connect a USB type A cable end of a HDUSBVEXT-xx-MM cable to a USB type A female user device port on a CPU.  
Connect the 15HD blue male cable end of a HDUSBVEXT-xx-MM cable to the video port of the same CPU.  
Connect the 15HD yellow male cable end of the HDUSBVEXT-xx-MM cable to a yellow “CPU x” port on the UNIMUX  
switch. (See Figure 7)  
Rear View of UNIMUX-USBV-16HDU  
MONITOR  
RS232  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
16  
8
15  
7
12  
4
11  
3
13  
5
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
Rear View of Windows USB CPU  
USB Type A Male  
Input Device Port  
15HD High Density  
(Yellow) FemaleConnector  
USB Type A Female  
Video Port  
HDUSBVEXT-xx-MM  
(3,6,10 and 15 foot cables available)  
15HD Female  
Video Connector  
15HD Male  
15HD Male  
Video Connector  
Video Connector  
Figure 7- Connect each CPU using a HDUSBVEXT-xx-MM cable  
4. Power-up  
•
•
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.  
Note: The order in which the CPUs and switch are powered up does not matter. A power strip can be used.  
8
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
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.  
RS232 Connection  
If RS232 control will 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 31 for configuration and  
use of the RS232 control feature.  
Rear View of UNIMUX-USBV-16HDU  
MONITOR  
RS232  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
16  
8
15  
7
12  
4
11  
3
13  
5
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
RJ45-to-DB9 Adapter  
(supplied)  
CAT5 Patch Cable  
(supplied)  
Control Terminal  
or  
RJ45-to-DB25 Adapter  
(supplied)  
Figure 8- Connect cable for RS232 control  
9
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
Limitations  
•
•
•
•
Only one non-HID (Human Interface Device) can be connected at a time (device other than keyboard or mouse)  
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 5 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.  
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  
Optional- MAC USB keyboard and mouse  
Typical Installation- 1 Keyboard, 1 Mouse  
Optional- Multiple keyboards and mice  
USB MAC Keyboard  
USB MAC Keyboard  
2 USB hubs in series (Daisy-Chained)  
Figure 9- Compatible device combinations  
10  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
USING THE UNIMUX USB KVM SWITCH  
Basic Operation  
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 panel control using touch-switches and LEDs  
OSD control via the user devices  
RS-232 control (see page 31)  
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 starting on page 17). 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 OSD Command Mode. Command Mode is operated using the keyboard  
and mouse in conjunction with OSD menus superimposed onto the monitor. For all models use the menus as instructed on page  
12.  
By pressing <Ctrl> + < ` > (accent 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.  
11  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA 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.  
Guidelines for Navigating OSD Menus  
Throughout this manual, various rules apply to navigating the menus used to control and operate the UNIMUX.  
•
OSD menus can be navigated using the mouse, the arrows on the keyboard, hot keys (highlighted in red) and the  
<Page Up>, <Page Down>, <Home>,<Tab> and <End> keys.  
-
The <up arrow> and <down arrow> moves the cursor up or down one line item at a time in a scrollable  
window, or between menu items in a menu item list  
-
The <left arrow> and <right arrow> will move the cursor left or right through menu items or while in  
editable fields (such as when editing port names)  
-
-
-
<Page Up> and <Page Down> increase/decrease the listed ports by one page at a time  
<Home> will jump to the beginning of the list  
<Tab> will jump between selectable fields, left to right  
to move between menu items  
-
-
<Shift>+<Tab> will jump between selectable fields, right to left  
<End> will jump to the end of the list.  
•
•
Only alphabetic and numeric characters can be typed in the OSD menu fields  
Positioning the mouse cursor over a menu function or CPU name will highlight the background (green highlight for  
menu functions, cyan or light blue for CPUs)  
•
•
•
•
•
The scroll bar can be used by clicking on the corresponding up and down arrow above and below the scroll bar.  
The mouse wheel may be used to move the selection bar  
The <Shift> key must be used to enter an uppercase letter within all OSD menus.  
Clicking on a listed CPU while in Command Mode will connect the user to that CPU.  
Available functions will have white characters with one red character. The red character corresponds to a keyboard  
“hot key”. Hot keys are not case sensitive. Functions that are not available will be transparent.  
When changing characters for names, passwords, or values within an edit field, click on the field or select and press  
<Enter> to enter the field for editing, and press <Enter> again to exit the edit field.  
•
•
•
To exit (and step back 1 menu) from any menu, press <Esc> on the keyboard .  
All screens that include “F1:Help” for context-sensitive help will also respond to pressing the <F2> key to provide  
“Global Help” screens with basic menu navigation help.  
Security Option  
The security option in the OSD Control of the UNIMUX USB KVM switch 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 on the user port. Finally, the administrator can set a maximum idle time value after  
which the current user will be logged out and the login screen displayed again if the user has no activity. 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. For more on  
security, see page 20.  
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Initial startup  
When the UNIMUX is first powered ON, a splash screen similar to the following will appear:  
Press any key and the UNIMUX will connect you to the first CPU port with a connected CPU that is powered ON.  
To access Command Mode and connect to a different port or perform other user access functions (see below), press <Ctrl> +  
<`> (accent/tilde key).  
User Access Functions  
Command Mode  
In order to control the switch with the keyboard, Command Mode must be enabled. To enable Command Mode from the  
keyboard:  
(ACCENT/TILDE  
KEY)  
~
Press  
Ctrl  
+
`
All the status lights on the keyboard will illuminate to indicate that Command Mode is enabled. At this point, the Command Mode  
menu will be displayed.  
The Command Mode menu (see Figure 10) lists all CPUs by name and port number. Only 8 ports are listed on the screen at a  
time. To view the other portions of the list, scroll using the arrow keys on the keyboard or use the mouse to click on the arrows on  
the scroll bar in the OSD menu. When the Command Mode main menu is displayed, the first displayed port in the list will be the  
port the current user is connected to, followed by the next seven consecutively numbered ports. (Alternatively the list may be  
sorted alphabetically- press the letter <O> to toggle sort method.) The names of accessible ports are displayed with blue  
characters. If Security is activated, the access rights for the user logged-in may not include all ports. Names of restricted access  
ports are displayed in black.  
Note: In a cascaded system (see page 37), if a switch is connected to a port, all the names of the ports of the slave  
switch will be displayed instead of the name of that port of the master switch. This rule applies recursively to all slave  
switches. If one of the slave switches is powered-OFF during operation, the Status field in the ports name list will  
display question marks. In this situation, the user should either power-ON the slave switch or send an Update  
Configuration Command (<Ctrl> + <Tab>). If the slave switch is powered back ON without updating the configuration  
and security is enabled, the text in the window for CPU type and power status will turn red until the configuration is  
updated. (The red text indicates that the slave switch was logged out.)  
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Selection  
An arrow to the left of a port number in the list indicates  
the port the user is currently connected to. From  
left to right, the columns display the following:  
Bar  
User  
Power  
Status  
• Port Number  
Cursor  
• Port Name  
Port Number  
Scroll Bar  
• Power Status of the CPU (ON/OFF)  
Port Name  
Note: “NAC” indicates a non-accessible computer  
for that user  
• The actual user number (1-8) connected to the CPU.  
•
If no user is connected to a CPU, the user number is  
replaced by a "–" (dash).  
Menu  
Items  
Figure 10- Command Mode main menu-User  
Note: While in Command Mode, the numbers on the NUM PAD on the keyboard are not active. If numbers are required  
while in Command Mode, use the numbers on the main key bank.  
The list below describes the command functions available from the keyboard within the OSD mode of control after entering into  
Command Mode:  
Function  
Keystroke  
up arrow  
Select the previous port  
Select the next port  
Note: The user must exit  
Command Mode to type to a CPU.  
down arrow  
port # - Enter  
Go to specific port- Press any valid number from 1-  
1024 to connect to a desired port.  
To exit Command Mode press  
<Esc> on the keyboard.  
Page Down  
Page Up  
T
Increases the ports listed by 1 page  
Decreases the ports listed by 1 page  
Enter “Settings” menu  
O (letter, not  
number)  
Toggle ports listed to view by port number or  
alphabetically by port name  
S
B
A
Enable/disable Scan Mode  
Enable/disable Broadcast Mode  
Enter Administrator menu  
(only available if the Administrator is logged in)  
Select the first port on the switch  
Select the last port on the switch  
Display Help menu  
Home  
End  
F1  
F2  
Global Help- display window navigation tips used  
throughout all menus  
F3  
Display port information- when pressed, a window  
displays the port name and its position in the  
configuration structure by level and port number  
R or F5  
Update configuration- use to update the information  
describing the structure of the cascaded switches.  
Use if a slave is powered-ON or OFF at any time after  
initial startup  
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Function  
Keystroke  
F
Enter Find Mode, add a character to search string  
and select the CPU’s name that matches best.  
Type any alphabetical or numeric character (A-Z, 0-9)  
Note: use is not case sensitive  
Switch to selected port  
Enter  
L
Logout (you will be prompted for confirmation)  
Exit Command Mode  
Esc  
Figure 11- Administrator’s main menu  
Settings  
To enter the Settings menu (see Figure 12) press <T> from the Command Mode menu. The list below describes the Settings  
menu functions available from the keyboard:  
Function  
Keystroke  
O
B
S
T
Open OSD Settings screen  
Go to Broadcast list  
Go to Scan list  
Change the scan dwell time period  
Enter any value from 002-255  
(for more on this-see “Scan Mode”  
page 17)  
R
Enable/Disable right mouse button  
click emulation with Apple 1-button  
mouse (see “Mouse Click  
Equivalents” on page 29 for more)  
Esc  
Exit from Settings menu  
Return to Main menu  
Figure 12- Settings menu  
When the <T> is pressed, the current value of the scan dwell time is selected with an edit field (see Figure 12) . 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.  
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OSD Settings  
The OSD Settings screen enables the user to adjust the height of the OSD screen on the monitor and the position of it. The  
position can be adjusted both horizontally, as well as vertically. Press <O> from the Settings menu (page 15) to open the OSD  
Settings screen.  
Function  
Keystroke  
T
S
Make OSD window taller  
Make OSD window shorter  
Move OSD window vertically  
up or down  
arrow  
left or  
right arrow  
Move OSD window horizontally  
Exit and save OSD Settings  
Esc  
Figure 13- OSD Settings screen  
Find Mode  
Find Mode is enabled by typing any alphabetical or numeric characters while in the Command Mode main menu, or by pressing  
<F> while in supporting menus.  
Find Mode allows 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 Find Mode function is not case  
sensitive. The following commands are valid when the search option has been invoked from Command Mode.  
Function  
Keystroke  
Backspace  
Erase previous character in search  
name  
A-Z, 0-9  
Add a character to the search  
string and select the best  
matching CPU name  
(upper or  
lower case)  
Esc or Enter  
Exit Find Mode  
Figure 14- Find Mode in use  
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Help Mode  
To enter Help Mode press the <F1> key from the Command Mode  
menu (see page 13).  
Help Mode displays a list of commands with a short explanation of  
their function. The following options allow the user to quickly  
obtain information on any command.  
Function  
Keystroke  
Page Up  
View the previous page of help  
if available  
Page Down  
Esc  
View the next page of help if available  
Exit Help Mode  
Figure 15- Main Menu help screen  
Scan Mode  
Using Scan Mode, the user can automatically switch from one CPU to another in predetermined configurable time intervals. The  
CPU ports to be scanned are easily selected provided the user has access to them. At initial startup, the user as access to all  
CPU ports by default.  
To activate or deactivate Scan Mode press <S> from the Command Mode menu. The text shown in the menu (see Figure 11) will  
toggle between “Scan=N” and “Scan=Y”, each time the <S> key is pressed. When “Scan=Y” is shown, Scan Mode is active.  
When “Scan=N” is shown, Scan Mode is OFF.  
From the Settings menu (see page 15) press <S> to access the “Scan List”. The Scan List enables the user to select specific  
ports to be active in Scan Mode. While active, the user will have full device control of the connected port. Only the selected  
ports will be scanned in Scan Mode.  
The “Scan List” is a check list with all the port numbers displayed  
•
•
unchecked box = the corresponding port is not in the scan list  
checked box = the corresponding port is in the scan list  
From the “Scan List” the user can:  
•
•
•
•
toggle the state of the selected port (press <Spacebar>)  
select all ports to be scanned (press <A>)  
deselect all ports so that none are scanned (press <N>)  
find a specific port to either select or deselect (press <F> ,  
then any alphabetical or numeric character to locate the desired port).  
Figure 16- Scan List  
A port is skipped from the scan cycle if one of the following conditions is true:  
- the port is not in the Scan List  
- Security Mode is enabled and the user does not have access rights to the port  
- the CPU connected to the port is OFF  
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When switching to a new port the port name is displayed by OSD in the left upper corner of the monitor for 5 seconds or until a  
key is pressed or the mouse is moved, whichever comes first. The scan dwell time is programmable from 2 to 255 seconds  
(default time-out period is 5 seconds). While using the mouse, keyboard or touchscreen the scanned port becomes active and  
scanning is stopped. The switch will resume scanning after a period of user inactivity determined by the scan dwell time. See  
Settings Menu on page 15 for configuring the scan dwell time.  
To return to the Settings menu, press <Esc>. The scan selection list is automatically saved.  
Note: The scan dwell time set by the user only affects that user and has no effect on other switch users.  
Note: The keyboard, mouse and touchscreen must remain idle for the full scan dwell time before the switch selects the  
next active port.  
Broadcast Mode  
To activate or deactivate Broadcast Mode press <B> from the Command Mode menu. The text shown in the menu  
(Figure 11) will toggle between “BCast=N” and “BCast=Y”, each time the <B> key is pressed. When “BCast=Y” is shown,  
Broadcast Mode is active. When “BCast=N” is shown, Broadcast Mode is OFF.  
Broadcast Mode enables the user to type characters to more computers simultaneously. From the Settings menu (see page 15)  
press <B> to access the “Broadcast List” where the user can edit the list of ports that receive data in Broadcast Mode.  
The “Broadcast List” is a check list with all the port numbers displayed  
•
•
unchecked box = the corresponding port is not in the broadcast list  
checked box = the corresponding port is in the broadcast list  
From the “Broadcast List” the user can:  
•
•
•
•
select all ports to be broadcasted to (press <A>)  
deselect all ports so that none are broadcasted to (press <N>)  
select only a limited number of ports to be broadcasted to  
find a specific port to either select or deselect (press <F> ,  
then any alphabetical or numeric character to locate the desired port).  
Figure 17- Broadcast List  
A port doesn’t receive broadcast data if one of the following conditions is true:  
- the port is not in the Broadcast 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.  
Note: The mouse and touchscreen will be disabled while in Broadcast Mode.  
To return to the Settings menu, press <Esc>. The broadcast selection list is automatically saved.  
Normal Mode  
When the UNIMUX switch is not in Command, Scan, or Broadcast mode and the OSD control is not active on the monitor, the  
user is in Normal Mode, controlling the CPU to which the user is connected through the UNIMUX switch.  
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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 (see below). 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 (see Cascading- page 37).  
USER 1  
USER PORTS  
UNIMUX  
LEVEL 1  
MASTER  
CPU PORT1  
USER PORTS  
UNIMUX  
LEVEL 2  
SLAVE  
CPU PORTS  
The image above indicates that the CPU connected to this port is actually connected  
CPU PORT6  
through port 1 of the master switch (Level 1), and through port 6 of the slave connected  
to the master switch port 1 (Level 2). (See Figure 18.)  
CPU  
Figure 18- Port information- system structure  
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Security  
Enabling Security  
To enable the security feature the administrator must first enter Command Mode. If the Command Mode menu is not already  
displayed, press <Ctrl> + <`> (accent/tilde key). The OSD menu will automatically appear on the monitor.  
To login as the administrator, the user must first logout by pressing <O>, and then <Y> to confirm. A login prompt will appear.  
Password and User Name  
The factory settings are:  
• default user name = <root>  
• default password = <nti>  
Note: The username for the administrator cannot be changed  
from "root”.  
Figure 19- User login screen  
Note: The <F1> Autologin key (see Figure 21) is only for use by users other than the administrator, and is only displayed  
and available for use if security is not enabled.  
With a valid login, the user will be connected to the first CPU that is powered-ON. To enter Command Mode, press <Ctrl> +  
<`> (accent/tilde key). The OSD menu will automatically appear on the monitor.  
Figure 20- Administrator's main menu  
The administrator will activate security (after logging in) by pressing <A>-<S>-<S>-<E> (see page 27).  
Once logged-in, follow the instructions on page 21 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. The  
administrator can setup each of the users and the limitations of their use of the individual CPUs using the administration menus.  
When a standard user powers up the UNIMUX with security enabled, the login screen will appear. Enter the user name and  
password as set by the administrator. Unless a valid user name and password are entered, the login screen will remain on the  
monitor. For more on “User Login”, see page 21.  
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User Login  
User Login Mode requires a user to login with a user name and password from the list created by the administrator. The user will  
only be able to login if security is enabled.  
With security enabled, the user will be locked to the current CPU and the login  
screen will remain on the monitor until the user logs in.  
Function  
Keystroke  
F1  
Autologin  
See note below  
(This is only available (but must be used  
when available) if security for the  
connected port is disabled)  
A-Z /0-9 or Shift + A-Z  
Add a character to the  
user name/password  
See note below  
(upper and/or lower case  
characters)  
Backspace  
Remove previous character  
from the user name/password  
Enter  
Submit user name/password  
Tab or Enter  
Move from Name to Password field  
If the password submitted is incorrect, the user will not be able to proceed.  
Figure 21- User Login screen with  
security disabled  
If the password submitted is correct, the user will proceed to Normal Mode  
(see page 17).  
Once a user name and password is accepted, the UNIMUX will connect to the first CPU that is powered-ON and the user has  
access to. To enter Command Mode, press <Ctrl> + <`> (tilde/accent key).  
See the Command Mode functions described on page 13 to control the system of CPUs within the limitations as determined by  
the administrator.  
Note: If security is not enabled, the message “Press F1 to Autologin” will appear in the login screen. While security is  
disabled, a standard user must press <F1> (see Figure 21) to access the switch. Only the administrator can login  
using the name and password when security is not enabled.  
Additional OSD Modes Available With Security Enabled  
Administration Menu  
To access the Administration Menu press <A> from the Administrator’s Main menu (see Figure 20). The Administration Menu can  
be accessed only when the administrator is logged-in. Users other than the administrator are not able to enter the Administration  
Menu.  
If a different user is logged-in, log-out by pressing <L> from the Main menu,  
then log-in as Administrator. (See page 20, "Enabling Security".)  
Administration Mode allows the administrator to use the following functions:  
Function  
Keystroke  
S
P
U
C
Go to System Configuration menu  
Go to Ports Configuration menu  
Go to User Configuration menu  
Change administrator’s password  
Display Usage Statistics  
D
Esc  
Exit from Administration Menu  
Return to Command Mode  
Figure 22- Administration Mode Menu  
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System Configuration  
To enter the System Configuration menu: press <S> from the Administration menu. The System Configuration menu can only be  
accessed when the administrator is logged-in.  
Function  
Keystroke  
I
O
A
Change Idle Timeout  
Change OSD Blank Timeout  
Change Alternate Command Hot Key  
(See page 26 for details)  
R
Reset the port names to default settings  
*You will be prompted to confirm this selection*  
Note: The UNIMUX must be power cycled or the  
OSD Refreshed (main menu) for the reset to  
take effect.  
K
Configure the Keyboard Language  
S
Open Security Configuration menu  
Serial Baud Rate  
B
E
Serial Address  
Esc  
Exit from System Configuration menu and  
return to Administration Menu  
Figure 23- System Configuration menu  
Port Configuration  
To enter the Port Configuration menu: press <P>from the Administration menu. The Port Configuration menu can only be  
accessed when the administrator is logged-in.  
The port configuration screen is used to edit the names of ports and to configure ports to be compatible with MAC or non-MAC  
CPUs. If the port will have a MAC CPU connected, use the mouse to click on the box associated with the port to place a check  
mark in the box.  
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.  
Note: MAC mode must be enabled on any CPU ports that are connected to a CPU through an NTI ST-C5USBV extender.  
Function  
Keystroke  
Enter  
Open an edit field for the selected port to rename the  
port (see Figure 24). Names of CPUs can be up to  
12 characters in length. Characters typed can be  
upper or lower case.  
Press <Enter> a second time to save the changes.  
Configure all ports for MAC CPU connection  
Configure all CPUs for non-MAC CPU connection  
A
N
F
Open field in which you can type characters to quickly  
locate a specific port to be configured  
Spacebar  
Toggle the selected port between MAC and non-MAC  
configuration  
F1  
Open Help window for this topic  
Esc  
Exit from System Configuration menu and Return to  
Administration Menu. All changes made will be saved  
Figure 24- Port Configuration menu  
-
-
To save the change to characters in an edit field, press <Enter>.  
To exit an edit field without saving the changes, press <Esc>.  
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User Configuration  
To enter the User Configuration menu: press <U> from the Administration menu. The User Configuration menu can only be  
accessed when the administrator is logged-in.  
The User Configuration screen lists the users configured to access the UNIMUX. Up to 63 users can be assigned access.  
To assign a user name, password, and port access control, select the user number or an empty record and press <Enter>, <E>,  
or click it with the mouse.  
Function  
Keystroke  
up arrow  
down arrow  
Page up  
Page down  
E
Select previous user in the list  
Select next user in the list  
Scroll to previous 8 names  
Scroll to next 8 names  
Edit account for selected user  
Exit and return to previous menu  
Esc  
Figure 25- User Configuration  
Edit User Account  
The User Account mode (see Figure 26) enables the administrator to:  
-
-
-
add a new user  
remove an existing user  
edit the settings for an existing user  
Function  
Keystroke  
N
Place edit field around the name- enabling it to be  
edited  
If no name is entered, a default name “userXX”  
(where XX is the user number) will be entered  
P
Open an edit field to insert a user password- up to 15  
characters in length  
If no characters are entered, no password will be  
required for that user  
Usable characters for Name or Password  
A-Z /0-9 or  
Shift + A-Z  
(Upper and lower case characters can be used)  
Open an edit field to confirm the password by retyping  
Close an edit field  
C
Enter  
A
Open access control list for the user, to assign ports  
the user will be able to connect to  
For new users, by default, no ports are user  
accessible unless selected by the administrator  
D
Delete all account information for the selected user  
Exit and return to previous menu  
Esc  
Changes made will be saved automatically  
Figure 26- User Account menu  
Note: To change the characters of a name while in the edit field, type the new characters or use the <Spacebar> to  
overwrite the existing characters. Pressing the <Delete> key will have no effect on existing characters and the  
<Backspace> key will only work if the cursor is at the end of the edit field. Use the <left arrow>, <right arrow>, <home>  
or <end> keys to move the cursor while in editable fields.  
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User Access Control  
To enter the Access Control list for a user, press A from the User Account screen for that user. From the Access Control list the  
administrator can:  
•
•
•
select all ports to have access to  
deselect all ports so that none can be connected to  
select only a limited number of ports to be accessed  
The Access Control list is a check list with all the port numbers displayed  
•
•
unchecked box = the corresponding port is not in the access list  
checked box = the corresponding port is in the access list  
Function  
Keystroke  
Spacebar  
Toggle the state of the selected  
check box  
up or down arrow  
A
Select the next or previous port  
Quickly place check marks in all  
boxes  
N
Quickly remove check marks from all  
boxes  
F1  
Open Help window for this topic  
Exit and return to previous menu  
Esc  
Changes made will be saved  
automatically  
Figure 27- Access Control list  
Change Administrator Password  
To change the Administrator Password, press <C> from the Administration menu.  
The Admin Password menu (see Figure 28) enables the administrator to change his password. Two edit fields are available, one  
for password, the other for verify password. The password can be up to 15 characters in length.  
Note: The default password for the administrator is “nti”.  
Function  
Keystroke  
Tab  
Switch between Password and  
Confirm (password) fields  
A-Z, 0-9  
Add character to password string  
or confirm string  
(upper or lower case)  
Backspace  
Delete previous character in  
edited string  
S
Save new password. (The  
administrator will be prompted  
for a Yes or No confirmation)  
Esc  
Exit and return to previous menu  
Figure 28- Administrator password menu  
Note: If the confirmation password does not match the first password entered, the message “INVALID PASSWORD” will  
be displayed when you try to save it.  
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Display Usage  
To display usage statistics for the UNIMUX, press <D> from the Administration menu.  
The Display Usage page shows the user how many times the UNIMUX has been power cycled and how many total hours it has  
been powered ON. The counters for these statistics can be reset to 0 by pressing <F7> to reset the number of power cycles or  
<F8> to reset the hours of usage.  
Figure 29- Usage Statistics Page  
Idle Timeout  
The idle timeout is the amount of time that the user can be idle while in Command Mode before the user is automatically logged  
out. The idle timeout can be set to any value from 000 to 255 minutes. A value of 000 will disable it. After the idle timeout  
period has elapsed, the login screen will appear.  
To change the Idle Timeout setting,  
1. press <I>from the System Configuration menu (page 22) to display the  
edit field around the value (see Figure 30)  
2. enter the desired value (000-255 minutes)  
3. press <Enter>to save it and move to the next field  
4. press <Esc>to exit the System Configuration menu  
Figure 30- Change value of Idle Timeout  
OSD Blank Timeout  
The OSD Blank Timeout is the amount of time that the user can be idle while in Command Mode before the OSD menu will  
disappear. The time period can be set to any value from 000 to 255 minutes. A value of 000 will disable it. After the OSD  
disappears when the configured time period has elapsed, the user can make it reappear by either pressing a key on the keyboard  
or moving the mouse.  
To change the OSD Blank Timeout setting,  
1. press <O>from the System Configuration menu to display the  
edit field around the value (see Figure 31)  
2. enter the desired value (000-255 minutes)  
3. press <Enter>to save it and move to the next field  
4. press <Esc>to exit the System Configuration menu  
Figure 31- Change the value of OSD Blank Timeout  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
Alternate Command Hot Key  
To enable the administrator to assign a key in addition to the <`> (accent/tilde 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 <A> from the System configuration menu (page 21). A window will open and the  
administrator will be prompted to press a key. Any key except Ctrl, Shift, Alt, Tab, Esc, or Enter can be used. 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 able 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 USB KVM switch.  
Note: The Alternated 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> +  
<Alternate Command Hot Key> combination. To disable it, the administrator should set <`> as the Alternate Command  
Hot Key.  
Figure 32- Alternate Command Hot Key selection window  
Reset Port names  
To erase all configured port names and return them to the factory-default names, press <R>from the System Configuration menu.  
After pressing the key, a confirmation message will appear. The administrator should press <Y> (Yes) to validate the selection or  
<N> (No) to cancel it.  
Pressing <Esc> will return to the Administration Mode menu.  
The switch must be power cycled for the reset to take effect.  
Select Keyboard Language  
To enter the Select Language menu (see Figure 33) press K from the System  
Configuration menu described on page 22.  
Only the administrator has the Select Language menu option.  
The Select Language menu enables the administrator to select a specific  
keyboard language (country code) to be used. Typically only SUN CPUs require  
a specific country code to be registered at boot up. (For other types of CPUs this  
feature may have no effect.) A list of available languages is displayed and can be  
scrolled using the mouse (scroll wheel) and/or <up arrow>, <down arrow>,  
<Home> and <End> keys.  
Figure 33- Select Language menu  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
• To manually program a specific language, select a language and press <Enter> (or click the left mouse button).  
• To automatically detect the language of the keyboard, select "AutoDetect" and press <Enter> (or click the left  
mouse button) . The list will advance to the actual detected keyboard language and that language will be programmed.  
Some keyboards don’t have a country code. In this case the selection will remain in the “AutoDetect” position and the default  
country code "00" will be programmed in the UNIMUX. If a specific country code is manually programmed, it will be the country  
code for the switch, regardless of the actual country code of the connected keyboard. The programmed country code is saved in  
memory and restored each time the UNIMUX is powered-ON. Because the CPUs that use country code (i.e. SUN CPUs) read it  
at boot time, it is necessary to boot the CPU(s) after programming the country code.  
Security Configuration  
The UNIMUX can be configured to either have no security enabled such that any user can connect to the UNIMUX, or have  
security enabled such that a user must have a login name and password in order to enter Command Mode and make a  
connection with an accessible CPU. Only the administrator has access to Security Configuration.  
Within Security Configuration, the administrator has three options:  
Function  
Keystroke  
U
Enable security just for the user port  
that his currently connected through  
E
Enable Global Security- security  
enabled on all user ports  
D
Disable Global Security- security  
disabled on all user ports  
Esc  
Return to previous menu  
Figure 34- Security Configuration  
If Security is disabled for the port the user is connected to, and the  
user attempts to login to Command Mode with the command key, the  
login screen will include the instruction “Press F1 to Autologin”.  
With security disabled, Autologin provides full access to all connected  
CPUs and all users except the administrator must use it to login.  
When security is enabled, Autologin is not available and the user must  
login using the administrator assigned user name and password. The  
user will have access to only those CPU ports as configured by the  
administrator.  
If Global security is disabled, and security for the port the user is  
connected through is enabled, the user will only need to provide a  
username and password when connecting through that user port.  
Figure 35- Login screen with security disabled  
If Global security is enabled, the user must provide the username and password when connecting through any user port.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
Serial Baud Rate  
The serial baud rate for the UNIMUX can be changed by pressing <B> from the System Configuration menu. In order to control  
the UNIMUX via RS232 (page 31), the baud rate must be set the same as the communication port on the control terminal  
attached to the UNIMUX (page 9)  
The baud rate value can be set to 115000, 57600, 38400, 19200, 9600, 4800, 2400, or 1200. A data protocol of 8 data bits, no  
parity, and 1 stop bit is used for communications. With the edit field highlighted, press the <Left arrow> or <Right arrow>  
to change the value of the baud rate.  
Note: The baud rate can also be changed from the RS232 Command Protocol (see page 31).  
For more on RS232 Control, see page 31.  
Figure 36- Adjust Baud Rate  
Serial Address  
To allow multiple UNIMUXs to be controlled from a single control terminal, the RS232 control interface is designed to allow "daisy  
chaining" up to 15 units. Each unit must be assigned a unique address. The unit address for the UNIMUX can be changed by  
pressing <E>from the System Configuration menu. With the edit field highlighted, press the <Left arrow> or <Right  
arrow> to change the value of the unit address. The address range is 1-15. For more on daisy chaining, see page 31.  
Figure 37- Adjust Serial Address  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
Keyboard Mapping  
The keyboard configuration of each CPU is saved in the UNIMUX switch. For example, if the CPU attached to Port 4 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.  
Key Equivalents  
Using the chart below, find the character needed to be typed on the CPU being accessed, then follow the row across for the  
equivalent on the keyboard being used. (See Figure 38 on page 30 for reference.)  
USB 101  
WINxx  
MAC  
SUN  
(Apple USB)  
L-Ctrl  
L-Ctrl  
L-Ctrl  
L-Ctrl  
L-Alt  
L-Alt  
L-Option  
SB+F12  
R-Option  
Command  
Power  
L-Alt  
SB+F12  
R-Alt  
Application  
R-Alt  
Compose  
Alt-Graph  
Meta  
SB+Alt  
Windows Logo  
SB+R Arrow  
SB+R Arrow  
SB = Space Bar  
Suspend  
L and R = Left and Right keys when two keys are marked the same on a keyboard.  
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 Settings on page 15) for this to work.  
SUN’s 16 Extra Keys  
101,WINxx,MAC  
SUN Extras  
Keyboards  
SB+F1  
Stop (L1)  
Again (L2)  
Props (L3)  
Undo (L4)  
Front (L5)  
Copy (L6)  
Open (L7)  
Paste (L8)  
Find (L9)  
Cut (L10)  
Help  
Use the chart to the left to type SUN’s  
additional 16 keys using a 101,  
WINxx, or MAC (Apple)  
SB+F2  
SB+F3  
SB+F4  
USB keyboard  
SB+F5  
SB+F6  
SB+F7  
SB+F8  
SB+F9  
SB+F10  
SB+F11  
SB+F12  
Compose  
Vol +  
SB + Up Arrow  
SB + Down Arrow  
SB + L Arrow  
SB + R Arrow  
Vol -  
Mute  
Suspend  
SB= Space Bar  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA 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 Keyboard  
Power  
Button  
F1  
F2  
F3  
F4  
F5  
F6  
F7  
F8  
F9  
F10  
F11  
F12  
esc  
help  
home  
pg up  
pg dn  
num  
lock  
~
delete  
clear  
=
/
`
*
tab  
return  
caps Lock  
shift  
alt  
enter  
control  
option  
Command Key  
Command Key  
Apple USB Keyboard  
Suspend  
key  
Help  
Stop  
Esc  
Num  
Lock  
Again  
Backspace  
Tab  
Undo  
Copy  
Props  
Front  
Open  
Find  
Enter  
Shift  
Caps Lock  
Shift  
Ctrl  
Paste  
Cut  
Enter  
Com-  
pose  
Alt  
Alt  
Graph  
Meta Key  
Meta Key  
SUN USB Keyboard  
Figure 38- Keyboard layouts  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA 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 33)  
use the NTI Switch Control Program (page 34) provided on the CD  
use the SerTest or RMTEST programs (pages 34 and 36) provided on the CD  
Remote Connection  
The RS232 Interface 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  
NOTE: Security must be disabled or user access granted on the port(s) to be selected by RS232 control.  
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 9). To daisy chain multiple units, connect a Matrix-Y-1 cable (sold separately) between the CPU and the first switch, and  
between each switch (as shown in Figure 39).  
Baud Rate  
The baud rate can be changed using the OSD menu (page 31) or from the RS232 commands (page 33) . The baud rate can be  
set to 115000, 57600, 38400, 19200, 9600, 4800, 2400, or 1200. A data protocol of 8 data bits, no parity, and 1 stop bit is used  
for communications.  
Unit Address and Loop Back  
To allow multiple units to be controlled from a single host port, the RS232 control interface is designed to allow "daisy chaining" up  
to 15 units using an NTI Matrix-Y-1 cable. Connect the Matrix-Y-1 cable between the RJ45-to-DB9 serial adapter and the CPU as  
shown in Figure 39. By setting the appropriate unit address (page 31), 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.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
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 39- 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 40- Pinout of Matrix-Y-1 cable  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
RS232 Command Protocol  
Host controller commands supported by the unit are defined below.  
RS232 Command Protocol Quick Reference  
Legend: (All numbers must be two digits)  
SW :  
BR :  
OP :  
Switch (01-15)  
IP  
:
Input Port/CPU (01-MAXINPUTS)  
Carriage Return (Hex 0xD)  
Baud Rate Code  
<CR>:  
Output/User Port (01-MAXOUTPUTS)  
Command String  
CS SW,IP,OP  
RO SW,OP  
Good Response  
*<CR>  
Description  
Connect one User port To CPU port  
*<CR>IP<CR>  
None  
Read Connection For User Port  
CB 00,BR  
Change Baud Rate For All Switches  
BR = 12 (1200), 24 (2400), 48 (4800), 96 (9600), 19 (19200),  
38 (38400), 57 (57600), 11(115000)  
Read NTI Version String  
(9600 is the default)  
RV SW,00  
RU SW  
*<CR>string\0<CR>  
*<CR>IP,OP<CR>  
*<CR>  
Read Unit Size  
SS SW,00  
SS SW,01  
GO SW OP  
GM SW,00  
Disable Autostatus feature (see below)  
Enable Autostatus feature (see below)  
*<CR>  
*<CR>go SW OP IP<CR>  
*<CR>go SW OP IP<CR>  
(all connections)  
Report the User port that is connected to the CPU port  
List all switch User port connections; all User ports to all CPU ports  
If the first field is not a known command (as listed above) or SW field is different from the serial address programmed in the switch  
memory, the command will be ignored. If the SW field corresponds to the serial address, but the syntax is wrong after this field,  
the switch will answer with ?<CR>.  
Syntax example:  
CS 01,05,02<CR> (insert the space and commas as shown)  
which means “At the switch with unit address 01, connect CPU port 05 to user port 02”  
The switch will answer with:  
∗<CR>  
The HEX code representation of example above is:  
Byte 1 Byte 2 Byte 3  
Byte 4  
Byte 5  
Byte 6  
Byte 7  
Byte 8  
Byte 9  
‘C’  
‘S’  
Space  
(0x20)  
Switch – 1st digit Switch – 2nd digit  
‘,’  
Output – 1st digit Output – 2nd digit  
(0x30) (0x35)  
‘,’  
(0x43)  
(0x53)  
(0x30)  
(0x31)  
(0x2C)  
(0x2C)  
Byte 10  
Byte 11  
Byte 12  
Input –1st digit  
Input –2nd digit  
<CR>  
(0x30)  
(0x32)  
(0x0D)  
Response:  
Byte 1  
Byte 2  
<CR>  
‘∗’  
(0x0D)  
(0x2A)  
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Autostatus  
When Autostatus is enabled, any output-to-input 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 (01) has changed connection to input 04."  
Notes: Message to the administrator will be delayed by any RS232 traffic being received by the switch from the  
administrator.  
Autostatus must be disabled before using SerTest or the NTI Switch Control Program (below).  
By default, Autostatus is disabled and must be manually enabled. Autostatus is also disabled any time the power to the UNIMUX  
is interrupted.  
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 matrix 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" found on the webpage the opens when the CD is  
inserted into the CDROM drive.  
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 NTI Switch Control Program to control the UNIMUX, the UNIMUX RS232 port must be set at  
a baud rate of 9600 bps (see page 31).  
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  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
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 switch RS232  
interface. The program SERTEST along with the NTI Switch Control Program (page 34) is installed from the CD packaged with  
this switch. SERTEST generates a main menu with the selections described below:  
Main Options  
- send commands to the matrix unit.  
•
•
•
•
Matrix Operations  
Ethernet Operations  
Setup Options  
- set Ethernet connection variables (not applicable to this product)  
- set COM port, baud rate, and unit address  
- display the program version  
About SerTest  
Matrix Operations  
Key Selection  
Description  
1)  
Connect Output/User to an Input/CPU  
Connect All Outputs/Users to an Input/CPU  
- connect an output to an input  
2)  
3)  
4)  
5)  
6)  
7)  
8)  
9)  
- connect all outputs to an input  
Connect Audio Output/User to an Input/CPU  
Connect All Audio Outputs/Users to an Input  
Change Mute Status for Audio Output/User  
Change Volume for Audio Output/User  
Read Connection for Video Output/User  
Read Connection for Audio Output/User  
Read Mute and Volume for Audio Output/User  
- connect an output to an input (audio ports only)  
- connect all outputs to an input (audio ports only)  
- mute or un-mute the Audio port output  
- change Audio port output volume  
-read the connection of a specific video output  
-read the connection of a specific audio output  
- read the volume and the mute status of the specified output (audio  
ports only)  
a)  
b)  
c)  
Save I/O Connections into Unit Memory  
Restore I/O Connections from Unit Memory  
Change All Units Baud Rate (9600/COM1:)  
-save the connections into switch memory bank  
-restore the connections from switch memory bank  
-change RS232 Baud rate of all switches  
-the current baud rate and serial port are displayed in parentheses  
d)  
Reset Unit  
- send a reset command to the switch  
(This command does not function at this time)  
- send an internal reset command to all switches  
e)  
f)  
Reset All Units  
Read Unit Size  
- read the switch size (number of inputs and outputs)  
g)  
h)  
Read Unit Version/Revision String  
-read a string containing the switch version, type, and size  
Save All Units I/O Connections into Units Memory -save the connections into switch memory bank, command for all  
switches  
i)  
Restore All Units I/O Connections from Units  
Memory  
-restore the connections from switch memory bank, command for all  
switches  
Selections in the "Key" column that are gray are not applicable to this product.  
Setup Options  
Key Selection  
Description  
1)  
2)  
3)  
select Com port current:  
(COM1:)  
- select PC serial port  
- the current PC serial port is displayed in parentheses  
- select PC serial port baud rate  
- the current baud rate is displayed in parentheses  
- select the unit address  
select Baud rate current:  
(9600)  
set unit Address current:  
(1)  
- the current address is displayed in parentheses  
For any selection that requires user input, the user is prompted. When commands are sent to the matrix unit, the command string  
and matrix unit 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 SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
RMTEST-RS232 Interface Test Program  
This software also allows a user to test the functions of an NTI server switch, matrix switch or Multi-user/Multi-platform switch  
RS232 interface. The RMTEST program is automatically loaded when installing the NTI Switch Control Program as described on  
page 34. The RMTEST program, located in the NTI program group, generates a main menu with the 3 selections described  
below:  
MAIN OPTIONS  
1. Matrix Options  
2. Setup Options  
3. Quit  
- send commands to the matrix unit.  
- set COM port, baud rate, and unit address  
- quit the program  
If Matrix Options is selected, the following menu, which has 7 options, is displayed:  
MATRIX OPTIONS  
1. Reset single unit  
2. Reset all units  
- reset single matrix to power-up defaults (matrix switch only)  
- reset all daisy chained matrix units (matrix switch only)  
- connect an input to one output  
3. Change single output  
4. Change all outputs  
5. Read single output  
6. Read unit size  
- connect an input to all outputs  
- read which input is connected to an output  
- read how many inputs and outputs the unit has  
- go back to the MAIN OPTIONS menu  
7. Return to main menu  
The Setup Options main menu selection only needs to be executed if the switches baud rate or unit address have been changed  
from the factory defaults ( 9600 baud, and unit address = 1). When this option is selected, the following menu, which has 4  
options, is displayed:  
SETUP OPTIONS  
1. Set COM port (default = COM1)  
2. Set baud rate (default = 9600)  
3. Set unit address (default = 01)  
4. Return to main menu  
- set port to COM1-COM3  
- set baud rate (see interface manual for supported baud rates)  
- set the unit address (if multiple units are daisy-chained)  
- Go back to the MAIN OPTIONS menu  
For any selection that requires user input, the user is prompted. When commands are sent to the matrix unit, the command string  
and matrix unit responses are echoed to the screen. All commands generated by the program are formatted according to the  
information provided in the sections above. If any transmission problems are detected, an error message is displayed.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
CASCADING  
The UNIMUX USB Matrix switch can be expanded to access up to 1024 CPUs by cascading multiple units together. As many  
switches as there are CPU ports may be connected to a UNIMUX USB Matrix switch. (See Figure 41) All downstream switches  
are referred to as "slaves" in a cascaded system. The only additional hardware required to cascade switches is a set of device  
and monitor cables for each “SLAVE UNIT” (see MATERIALS on page 2). All CPUs and switches can then be controlled by  
users using OSD commands with Command Mode.  
Limitations  
The front panel keypad is only used to operate standalone switches. To control a cascaded network of switches, only the OSD  
commands within Command Mode will be recognized.  
Users connected to accessible ports on downstream slaves (i.e. ports not connected to the master) will not be able to control  
switches or CPUs connected upstream. Only control over CPUs and slaves downstream from a user's connection point will be  
enabled. (See Figure 41)  
Slaves in a cascaded system must be either all single-user switches or all multi-user switches, but not a combination of both.  
Cable Connections  
The same cable used to connect a CPU to the UNIMUX is used to connect two UNIMUX-USBV-xHD switches together-  
HDUSBVEXT-xx-MM. No other cables will be necessary. To connect a slave to a master  
1. Connect the USB-A-male end of the HDUSBVEXT-xx-MM to the USER port on the slave.  
2. Connect the 15HD male at the same end of the HDUSBVEXT-xx-MM cable to the MONITOR port on the slave.  
3. Connect the yellow 15HD male end of the HDUSBVEXT-xx-MM to the CPU 1 port on the master.  
Repeat this procedure for each USER and MONITOR port on each slave that is desired to be controlled through the master.  
The same procedure can be used to connect multi-user switches (UNIMUX-nXm-UHDU) as slaves (see Figure 42).  
Rear View of UNIMUX-USBV-16HDU  
Master  
MONITOR  
RS232  
14  
6
10  
2
16  
8
CPU 15  
7
CPU 13  
5
12  
4
CPU 11  
3
CPU  
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED  
1275 Danner Drive, Aurora Ohio 44202 330-562-7070  
www.networktechinc.com  
Rear View of  
Rear View of  
UNIMUX-USBV-16HDU  
UNIMUX-USBV-16HDU  
Slave  
Slave  
MONITOR  
MONITOR  
RS232  
RS232  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
16  
8
15  
7
13  
5
12  
4
11  
3
9
1
16  
8
15  
7
13  
5
12  
4
11  
3
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070  
www.networktechinc.com  
50V,2A  
NETWORK TECHNOLOINCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070  
www.networktechinc.com  
HDUSBVEXT-xx-MM  
HDUSBVEXT-xx-MM  
Figure 41- Cascading with only single-user units  
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Rear View of UNIMUX-USBV-16HDU  
Master  
MONITOR  
RS232  
14  
6
10  
2
16  
8
CPU 15  
7
CPU 13  
5
12  
4
CPU 11  
3
CPU  
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED  
1275 Danner Drive, Aurora Ohio 44202 330-562-7070  
www.networktechinc.com  
Rear View of  
Rear View of  
UNIMUX-4X8-UHDU  
UNIMUX-4X8-UHDU  
Slave  
Slave  
RS232  
RS232  
MONITOR 4  
MONITOR 3  
MONITOR 2  
MONITOR  
CPU2  
1
MONITOR  
CPU8  
4
MONITOR  
3
MONITOR  
CPU4  
2
MONITOR  
CPU2  
1
USER  
4
USER  
3
USER  
2
USER  
1
USER  
4
USER  
3
USER  
2
USER  
1
R
R
R
R
NTI  
NTI  
Aurora, OH44202  
Tel:330-562- 7070  
Fax:330-562-1999  
www.networktechinc.com  
CPU  
8
CPU7  
CPU  
6
CPU  
5
CPU1  
CPU  
7
CPU  
6
CPU5  
CPU1  
CPU  
4
CPU3  
CPU3  
1275 Danner Dr  
Auro ra, OH 44202  
Tel:330-562-7070  
Fax:330-562-1999  
1275 Danner  
Dr  
www.networktechinc.com  
HDUSBVEXT-xx-MM  
HDUSBVEXT-xx-MM  
Figure 42- Cascaded connections with multi-user slaves  
Operating Cascaded Switches  
Immediately after powering-ON the Master switch, the following splash screen will display on the monitor:  
All the downstream switches should be powered ON before pressing any key. If there are USB extenders connected, they should  
also be powered ON. An extra time of about 5 seconds after powering-ON the last unit may be needed to complete the USB  
enumeration process. If the switch is a standalone unit (no downstream switches connected), the key could be pressed  
immediately.  
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When a key is pressed, the master switch will start the process of detecting the configuration. This could take several seconds,  
depending on how many switches are connected together. When configuration update is ready, the splash screen disappears and  
the system is ready to operate. (If security mode is activated, the login window will be displayed on the screen). The update-  
configuration function can be recalled at any time by entering into Command Mode and pressing the <F5> key.  
Note: If a slave switch is power cycled, use the Refesh command (page 14) to update the configuration.  
After completing the configuration detection, the splash screen is turned OFF and the switches can be operated. All configuration  
can be controlled from the keyboard, mouse and monitor through OSD menus (page 12).  
SUN RAY SUPPORT  
The UNIMUX fully supports SUN Ray CPUs, however, a lack of horizontal mouse movement may be experienced. If this occurs,  
enable MAC mode (page 22) for the port that the SUN Ray is connected to. This should enable proper mouse movement.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
FIRMWARE UPGRADE PROCEDURE  
This procedure describes how to upgrade the firmware in this UNIMUX switch. If you are not certain whether this UNIMUX has  
the most up-to-date firmware available, see page 45 for instruction on how to determine what version the UNIMUX has. All  
versions of firmware can be downloaded from the NTI firmware download website at http://www.networktechinc.com/download/d-  
srvsw-usbu-hd.html ,  
The UNIMUX switch has 3 types of micro-controllers:  
1. Main User Controller – there is only one on each UNIMUX and it will be upgraded with a binary file named unimux-suhd-  
csx-x.bin. (where x-x is the rev number)  
2. HID Port Controller – there is one HID Port Controller for each CPU port available on the switch – it will be upgraded with an  
Intel hex file named unimux-suhd-cpkmx-x.hex. Each CPU port is upgraded independently.  
3. Vendor Specific Port Controller – there is one such controller for each CPU port available on the switch – it will be upgraded  
with an Intel hex file named unimux-suhd-cpvdx-x.hex. Each CPU port is upgraded independently.  
The UNIMUX firmware has a bootloader which can be used for firmware upgrades. The bootloader resides in a protected area of  
Flash memory, so that if the upgrade fails for any reason, the bootloader will still be available to be used to re-program the entire  
unit.  
Upgrades can be made to the User Controller, HID Port Controller, or Vendor Specific Port Controller on an individual basis as  
needed. Not all CPU ports must be at the same revision level for the UNIMUX to work, but it is highly recommended that if you  
upgrade one CPU port, you upgrade all CPU ports on a switch.  
Requirements  
¾
¾
¾
CAT5 Patch Cable (supplied with UNIMUX)  
RJ45-DB9 or DB25 Adapter (supplied with UNIMUX)  
Computer with a Terminal Console (for example, HyperTerminal in Windows, or any similar program able to send files using  
Xmodem protocol)  
¾
Firmware files for the UNIMUX on the computer with the Terminal Console.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
PREPARATION FOR UPGRADE  
1. With the power to the UNIMUX OFF, connect the computer to the UNIMX as shown in the figure below.  
Rear View of UNIMUX-USBV-16HDU  
MONITOR  
RS232  
CPU  
14  
6
CPU  
CPU  
10  
2
CPU  
16  
8
15  
7
12  
4
11  
3
13  
5
9
1
250V,2A  
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com  
RJ45-to-DB9 Adapter  
(supplied)  
CAT5 Patch Cable  
(supplied)  
Control Terminal  
or  
RJ45-to-DB25 Adapter  
(supplied)  
Figure 43- Preparation for firmware upgrade  
2. Power ON the computer only. Open the terminal console and apply the following settings to the terminal console for the port  
connected to the UNIMUX:  
Baud rate: 57600  
Data bits: 8  
Parity: none  
Stop bits: 1  
Flow control: none  
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UPGRADE PROCEDURES  
Start the Bootloader  
In the HyperTerminal window on the attached computer, press and hold the <Tab> key and power ON the UNIMUX.  
The following message (or one similar) will be displayed on the screen:  
UNIMUX-HD-NxM Bootloader  
Revision: 1.1  
Date: 2008/09/11 15:40:16  
Copyright (C) Network Technologies Inc.  
Press <H> for help…  
>
Release the <Tab> key.  
The “>” prompt indicates that the bootloader is waiting for commands. The available commands are composed by sending one  
ASCII character. To send a command to the bootloader, type the key in the terminal window that corresponds to the desired  
command. The available commands, listed below, can be viewed by typing <h> or <H> (the Help command) from the keyboard.  
Note: Commands can be typed using upper or lower case letters.  
Commands:  
--------------  
h, H – Display list of commands  
x, X - Exit Bootloader  
u, U – Upgrade user controller firmware  
p, P – Upgrade HID port controller firmware  
v, V – Upgrade vendor specific controller firmware  
s, S – Read Checksum of the HID port controller firmware  
t, T - Read Checksum of the vendor specific controller firmware  
.
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Update the User Controller Firmware  
Note: The User Controller Firmware update only needs to be done once, whether the UNIMUX switch is a single-user, or  
a multi-user model.  
The user controller firmware comes as a file in binary format and has the extension .bin. (i.e. filename.bin). To upgrade the user  
controller to this file, press <u> from Terminal window. The following message should appear on the screen:  
Erasing flash memory…  
Memory successfully erased  
Send .bin file using Xmodem protocol..  
At this point the binary file unimux-suhd-csx-x.bin must be sent. To do this, from HyperTerminal:  
1. go to “Transfer” menu in the Menu Bar of the HyperTerminal window  
2. click the item “Send File …”  
3. in the dialog box which pops up on the screen, browse for the file to be sent and select it  
4. select “Xmodem” from the Protocol drop-down menu  
5. press “Send” button  
The transmission will start shortly. Wait until the transmission is finished. There will be some pauses during transmission, since  
the processor writes blocks of 4KB.  
When the transmission is complete, the HyperTerminal window should show the following status message and return to the menu  
prompt:  
Device successfully programmed!  
>
To exit from the bootloader, press <x>.  
Update the HID Port Controller Firmware  
The HID port controller firmware comes as a file in Intel Hex format and has the extension .hex (i.e. filename.hex). To upgrade  
any of HID controllers (there is one per CPU port) with this firmware, press <p> from the terminal window. The following message  
should appear on the screen:  
Send .hex file using XModem protocol...  
At this point, the hex format file unimux-suhd-cpkmx-x.hex has to be sent, using HyperTerminal and the same procedure as  
before. When the transmission is done, the following message will be shown in the HyperTerminal window:  
File transfer OK!  
Please, type the two-digit number of the port to be updated,  
<A> to program all or <X> to exit  
(the two-digit number should be between 01 and nn,  
where nn is the number of available ports):  
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To program only one device (CPU port), the corresponding port number must be typed (two-digit number, zero leading, number  
between 01 and the last CPU port number, depending on switch size. To program all devices, just press <a>).  
The following message will be shown on the screen (it may take about 12 seconds to program each device):  
Programming device, please wait...  
Device ID: 0x001E  
Device successfully programmed!  
The bootloader will then ask again for a port number.  
To program another port, type the two-digit number of the port,  
To exit from this function and the bootloader, press <x>.  
If <a> was pressed instead of a single port number, and all devices were programmed, the message above will be repeated for  
each port that was programmed. After all are programmed, unless the switch has 32 CPU ports, the following message will be  
shown on the screen  
Programming device, please wait...  
Device ID: 0x0000  
Device failed!  
Error Code 1  
This is shown because the bootloader continues to look for devices until it has found up to 32 (the maximum number of possible  
CPU ports a single UNIMUX can have). If it doesn’t find another port, the procedure will fail and discontinue. On switches with  
fewer than 32 ports, this is normal.  
To exit from the bootloader, press <x>.  
Update the Vendor Specific Port Controller Firmware  
Updating the vendor specific port controller firmware is similar to updating the HID port controller firmware (described on page 3).  
The only differences are that key <v> is used to enter this command and the hex file to send will be unimux-suhd-cpvdx-x.hex  
To exit from the bootloader, press <x>.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
Read the Checksum of HID or Vendor Specific Port Controller Firmware  
Reading firmware checksum is useful to determine the version of software running on port controllers. While the firmware revision  
for user controller can be found on the UNIMUX splash screen when it is powered-ON, the firmware revision of port controllers is  
not displayed anywhere. Reading checksum is an easy way to identify the current firmware revision in your UNIMUX and to  
determine if a new firmware revision is available for download.  
To read the checksum, type <s> for HID port controllers or <t> for vendor specific port controllers, at the bootloader prompt. The  
following message will be displayed:  
Please, type the two-digit number of the port to be checked,  
<A> to check all or <X> to exit  
(the two-digit number should be between 01 and nn,  
where nn is the number of available ports):  
To read the checksum for only one device, type the number of the port (two digits, leading 0). To read the checksum for all ports  
type <a>.  
The device ID and the checksum will be displayed in the following format:  
Device ID: 0x001E  
Device Checksum: 0x3AB1  
The checksums for all revisions of UNIMUX firmware can be found on the NTI download webpage at  
http://www.networktechinc.com/download/d-srvsw-usbu-hd.html ,  
To exit from the bootloader, press <x>.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
SAFETY STATEMENTS  
Grounding  
These products have protective earth ground terminals and are built with full attention to consumer safety. There must be an un-  
interruptible safety earth ground between the main power source and the product's power cord or supplied power cord set.  
If ever the possibility exists for the grounding protection to have been reduced in any way, disconnect the power supply until the  
grounding connection has been fully restored.  
Servicing  
NTI products are not intended to be serviced in the field and contain no user-serviceable parts. In the event repair is needed, all  
servicing must be performed by factory trained and authorized service personnel. Only those items specifically identified in this  
manual (if any) may be adjusted by the user of this product and adjusted only as instructed in this manual.  
CABLES  
NTI #  
DESCRIPTION  
HDUSBVEXT-3/6/10/15-MM  
USBVEXT-3/6/10  
Connect each CPU to the UNIMUX-UHD with one  
VGA and USB extension  
USBVEXT-3/6/10/15-MM  
USB-AA-5M  
VGA and USB interface  
Connect up to 5 cables in a series for up to 25 additional meters  
Improved Active USB 5 meter extension  
VGA extension through 100 feet  
USB-A+A-5M  
VEXT-3/6/10/15/25/35/50/75/100  
Where:  
xx is the length of the cable in feet  
MM indicates male-to-male connector  
M is the length of the cable in meters  
Cables can be purchased from Network Technologies Inc by calling 800-RGB-TECH (800-742-8324) or 330-562-7070.  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
TROUBLESHOOTING  
Each and every piece of every product produced by Network Technologies Inc is 100% tested to exacting specifications. We  
make every effort to insure trouble-free installation and operation of our products. If problems are experienced while installing this  
product, please look over the troubleshooting chart below to see if perhaps we can answer any questions that arise. If the  
answer is not found in the chart, please check the FAQs (Frequently Asked Questions) at our website at  
http://www.networktechinc.com or contact us directly for help at 1-800-742-8324 (800-RGB-TECH) in US & Canada or 1-330-562-  
7070 worldwide. We will be happy to assist in any way we can.  
Problem  
Cause  
Solution  
•
•
•
Cable connections loose  
•
•
•
Check all cables for proper connection  
No mouse or keyboard  
Loose video cable  
Check video cable connection  
No video  
Power to monitor OFF  
Make sure monitor is plugged into live outlet and  
powered ON  
Mouse only moves up and Driver communication not correct  
Configure any CPU ports that have a ST-C5USBV connected  
for MAC Mode operation (see page 22)  
down on computer(s)  
connected to the switch  
through a ST-C5USBV  
Extender  
between mouse and CPU. Port set  
for non-MAC mode  
Mouse not working  
properly or at all with SUN between mouse and CPU. Port set  
or PS/2 CPU connected  
Driver communication not correct  
Configure ports correctly. Only MACs or ST-C5USBV  
Extender should be connected to port configured as MAC  
ports.  
for MAC mode with a SUN or PS/2  
CPU connected.  
SPECIFICATIONS  
Video Connectors  
Video Resolution  
Video Support  
female 15HD-black  
1900 x 1200 (max.)  
SVGA, XGA, VGA, most DVI monitors (when used with NTI DVIF-15HDM adapter)  
150 Mhz  
Video Bandwidth  
USER Keyboard/Mouse  
connectors  
female USB Type A  
Mouse and Keyboard  
Compatibility  
most USB mice and keyboards  
CPU connectors  
CPUs supported  
RS232 Connector  
Power required  
female 15HD-yellow (high density)  
Windows USB, SUN USB, MAC USB  
female RJ45  
110 or 220 VAC @ 50-60 Hz at less than 25 watts.  
Fuse Protection  
Regulatory approval  
2A, 240VAC  
CE  
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NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH  
INDEX  
Alternate command hot key, 26  
Apple Mouse, 29  
autologin, 27  
Password and User Name, 20  
port configuration, 22  
Rack mounting, 5  
Autostatus, 34  
reset port names, 26, 28  
RMTEST, 36  
baud rate, 28, 31  
Broadcast Mode, 18  
cables chart, 46  
RS232 Command Protocol, 33  
RS232 pinout, 31  
Cascading, 37  
Scan Mode, 17  
Change password, 24  
edit user, 23  
security configuration, 27  
security enable, 27  
Security features, 12  
Select Language, 26  
SerTest, 35  
Find Mode, 16  
Firmware upgrade, 40  
forgot password, 20  
front panel control, 11  
hot-plug, 4  
Settings, 15  
Sun's extra keys, 29  
system configuration, 22  
Troubleshoot, 47  
idle timeout, 25  
Installation, 6  
Key Equivalents, 29  
keyboard control, 11  
limitations, 10  
usage statistics, 25  
USBVEXT-xx-MM cable, 8  
user access control, 24  
user configuration, 23  
user control methods, 11  
Matrix Switcher's Control Program, 34  
navigating OSD menus, 12  
OSD, 12  
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.  
Man039 Rev 12/8/2008  
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