Network Technologies UNIMUXUSBVXHD User Manual
UNIMUX
TM
Series
UNIMUX-USBV-xHD
High Density VGA USB KVM Switch
Installation and Operation Manual
MAN039 Rev 12/8/08
TRADEMARK
UNIMUX is a trademark of Network Technologies Inc in the U.S. and other countries.
COPYRIGHT
Copyright © 2000, 2008 by Network Technologies Inc. All rights reserved. No part of this publication may be reproduced,
stored in a retrieval system, or transmitted, in any form or by any means, electronic, mechanical, photocopying, recording,
or otherwise, without the prior written consent of Network Technologies Inc, 1275 Danner Drive, Aurora, Ohio 44202.
CHANGES
The material in this guide is for information only and is subject to change without notice. Network Technologies Inc
reserves the right to make changes in the product design without reservation and without notification to its users.
FIRMWARE VERSION
Main Controller Firmware Version 1.1
Typographic Conventions
Typeface meaning Font Configuration Example
On-screen computer output Courier New-(not bold)
What you type on the computer Courier New-bold
Keyboard Keys to be pressed as
instructed in the body of a
paragraph
Courier New-bold
Surrounded by < >
General
Character Meaning Example
+
-
When "+" is shown between keystrokes, it indicates a chorded
sequence (press and hold the keys consecutively until all keys
in the sequence are pressed)
When "-" is shown between keystrokes, it indicates to press the
keys consecutively (press and release one at a time)
C:>
C:>edit text.bat
“<L>” means press the “L”
<Ctrl>+<`> (accent/tilde key) is a
chorded sequence to enter Command
Mode.
<A>-<S>-<S>-<E> is a sequence of keys
pressed to enable Security Mode
i
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
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
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
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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)
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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
15HD-Male
USB Type 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.
HD15 Male
Video
USBType A Male
HDUSBVEXT-xx-MM
(3,6,10 and 15 foot cables available)
.
HD15 Male
High Density
15HD-Male
2
NTI UNIMUX SINGLE-USER HIGH DENSITY VGA USB KVM SWITCH
R
NTI
Network Technologies Inc
UNIMUX
R
12
Scan
87654321
161514131211109
CommandBroadc ast
34 5 6 7
16 8
250V,2A
NETWORK TECHNOLOGIES INCORPORATED 1 275 Danner Dr ive, Aur ora Ohio 442 02 330- 562-7070 www.networkt echinc.c om
15 7 14 6
CPU CPU
13 5
12 4
11 3 10 2
CPU CPU
9 1
MONITOR
FEATURES AND FUNCTIONS
1. CPU Select Switches- push to manually switch to a specific CPU or change the switch operating mode
RS232
8
9
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
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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
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.
Front of Switch
NTI 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.
3/16" Diameter Screws
(not provided)
NTI Switch
Rack
Captive Nuts
(not provided)
Figure 2- Secure switch to a rack
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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 ).
16 8 15 7
250V,2A
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14 6
Existing Cable
VGA
Multi-Scan
Monitor
Rear View of UNIMUX-USBV-16HDU
10 2
CPU CPU
13 5
12 4 11 3
CPU CPU
9 1
MONITOR
15HD Male
Video Connector
RS232
15HD Female
Video Connector
Figure 3- Install user monitor
Rear View of UNIMUX-USBV-16HDU
14 6
16 8 15 7
250V,2A
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com
Existing Cable
CPU CPU
13 5
12 4 11 3
10 2
CPU CPU
9 1
VGA
Touch Screen
Monitor
Existing Cable
USB Type A Male
Figure 4- Install user touch screen monitor
MONITOR
15HD Male
Video Connector
RS232
15HD Female
Video Connector
6
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 ( ) on the rear of the UNIMUX
switch (see Figure 5 ).
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)
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14 6
CPU CPU
USB Type A Female
.
Rear View of UNIMUX-USBV-16HDU
13 5
12 4 11 3
USB Type A Male
10 2
CPU CPU
9 1
MONITOR
USB Type A
Male Connectors
USB Keyboard
RS232
USB
Mouse
CAC
Reader
Figure 5- Install user devices (mouse and keyboard)
TO UNIMUX
SWITCH
USB TYPE A
MALE CONNECTOR
USB-A+A-5M
NETWORK
NTI
1275 Danner Drive
Aurora,Ohio 44202
Tel: 330- 562-7070
Fax: 330-562- 1999
www.nti 1.com
R
TECHNOLO GIES
INCORPORA TE D
USB
DEVICE
USB TYPE A
USB KEYBOARD
CPU
FEMALE CONNECTOR
Figure 6- Use USB-A+A-5M to extend a device, or a computer
7
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)
250V,2A
Rear View of Windows USB CPU
Input Device Port
USB Type A Female
Video Port
15HD Female
Video Connector
16 8 15 7
NETWORK TECHNOLOGIES INCORPORATED 1275 Danner Drive, Aurora Ohio 44202 330-562-7070 www.networktechinc.com
14 6
Rear View of UNIMUX-USBV-16HDU
10 2
CPU CPU
13 5
12 4 11 3
USB Type A Male
HDUSBVEXT-xx-MM
(3,6,10 and 15 foot cables available)
15HD Male
Video Connector
CPU CPU
9 1
MONITOR
RS232
15HD High Density
(Yellow) FemaleConnector
15HD Male
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
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.
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14 6
CAT5 Patch Cable
(supplied)
Rear View of UNIMUX-USBV-16HDU
10 2
CPU CPU
13 5
12 4 11 3
RJ45-to-DB9 Adapter
(supplied)
or
RJ45-to-DB25 Adapter
(supplied)
CPU CPU
9 1
MONITOR
RS232
Control Terminal
VGA
Multi-Scan
Monitor
Figure 8- Connect cable for RS232 control
9
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
Mouse
USB
Hub
USB
Mouse
Optional- MAC USB keyboard and mouse
2 USB hubs in se ries (Daisy-Chained)
USB Type A
Male Conn ectors
USB Wi ndows Keyb oard
Typical Installation- 1 Keyboard, 1 Mouse
USB
Mouse
USB MAC Keyboard
USB Windows Keyboa rd
USB Windows Keyboa rd
Optional- Multiple keyboards and mice
USB MAC Keyboard
USB MAC Keyboard
USB
Mouse
Figure 9- Compatible device combinations
10
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.
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