Vox Technologies KVM08 User manual

KVM08
Keyboard, Mouse & Monitor
Switch

COPYRIGHT©
This document is a copyright of the original manufacturer, 2000. The original
manufacturer reserves the right to make improvements to the product(s) described in this
manual at any time without notice. This manual may not, in whole or in part, be
photocopied, reproduced, transcribed, translated, or transmitted in whatever form without
the written consent of the manufacturer, except for copies retained by the purchaser for
backup purposes. All rights are reserved.
TRADEMARKS
™
The mentioned trademarks or registered trademarks are properties of their respective
companies. Products mentioned in this manual are mentioned for identification purposes
only. All names of products or services appearing in this manual are the trademarks or
registered trademarks of their respective organizations and companies.
Copyright 2000
Ver. No.V1.0
LEI-UM-KVM08
Date : 2000/10/18

TABLE OF CONTENTS
CHAPTER 1INTRODUCTION 1
1.1 SPECIFICATION 2
1.2 PACKING CHECK LIST 3
CHAPTER 2INSTALLATION 4
2.1 PRODUCT DETAIL 4
2.2 SINGLE UNIT OR DAISY-CHAIN OPERATION 5
2.3 HARDWARE INSTALLATION 6
2.4 DAISY-CHAIN 10
CHAPTER 3OPERATION 12
CHAPTER 4TROUBLE SHOOTING 16

~ 1~
INTRODUCTION
The KVM08 gives you the ultimate in control of 8 PCs from one keyboard, mouse and
monitor. To expand control ability, the DB-25 Daisy-Chain allows sixteen KVM08 stack
up for control 128 PCs from one keyboard, mouse and monitor. OSD (On-Screen Display)
menu provides human friendly interface for naming each PCs and selecting one of them.
Feature
lAllows a user to control eight computers from one keyboard, mouse and monitor
lNo software required, each channel contains a microprocessor emulation to
intelligently manage the boot-up process for all your attached PCs boot-up
transparently and simultaneously.
lDB-25 Daisy-Chain ports allows control over as many as 128 computers through 16
banks of KVM08 units
lOn-Screen Display menu gives the user a visual interface to naming and selecting
computers
lOn-Screen Display, push button or keyboard “Hot Key” commands switching
lAutoScan mode for even more convenience
lAudible feedback when switching
lRecalls CAPS LOCK, NUM LOCK and SCROLL LOCK keys’ status for each
computer automatically
lSupports VGA, SVGA and MultiSync monitors
lUp to 1600 x 1200 resolution support
lIntegrated mouse conversion technology allows connection of AT type computers
that have serial mouse ports while using a PS/2 mouse only at console
lKeyboard and mouse emulation for error-free boot ups
lMicrosoft®IntellMouse®support and emulation
lSupports both AT and PS/2 type keyboards (AT requires AT -PS/2 adapter)
lUser inexpensive and commonly found standard cables
lStatus LEDs on front panel
CHAPTER 1.

INTRODUCTION
~ 2~
1.1 SPECIFICATION
qComputer Connections :8
qPort LEDs :8
qBank 7-segment LED :1
qPort 7-segment LED :1
qKeyboard :6-pin Mini-DIN
qMouse :6-pin Mini-DIN
qMonitor :15-pin HD DB type
qCascade :25-pin D-Sub
qCascade Port :1
qOn Screen Display :Yes
q19” Rack Mount :Yes
qCascade (Level) :16
qMax. Access PCs :128
qManual Selection :Push Button
qHot Key :Yes
qSwitching Confirmation :Buzzer
qKeyboard state :Saved and Restored
qKeyboard :PS/2
qMouse :PS/2
qMonitor :VGA, SVGA, XGA, MultiSync
qDisplay Data Channel :DDC1, DDC2B, DDC2AB
qResolution :1600 x 1200
qBandwidth :180M Hz
qEnclosure :Metal
qStorage (Celsius) :0 ~ 70
qDimension (LxWxH mm) :441 x 161.5 x 44.4
qWeight (g) :2800
qPower Supply :18W, Universal AC input

INTRODUCTION
~ 3~
1.2 PACKING CHECK LIST
Before you begin to install your KVM08, please make sure that you received the
following materials as listed below:
Item Qty Remark
KVM08 1 pcs. Keyboard, mouse & monitor switch
Power cord 1 pcs. AC inlet power cable
User’s Manual 1 pcs. This manual
Rack mount bracket 2 pcs.
Screw 10 pcs.
M3, fasten rack mount brackets
Rubber foot 4 pcs.

INSTALLATION
~ 4~
INSTALLATION
2.1 PRODUCT DETAIL
Front Panel
Rear Panel
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3
Console PC2PC1
InputInput/SlaveMaster
Slave Input
CHAPTER 2.
Current Active Port Displays
Port Select Button
Bank Select / Scan Button
Current Active Bank Display
Current Active Port Display
CONSOLE
connector
PC PORT
connectors
Slave input DB-25 Daisy-chain port
VGA monitor
connector
PS/2 mouse
connector
PS/2 keyboard
connector
Master input /
Slave output
DB-25
Daisy-chain port
DIP-switch
Power switch
Keyb
oard
output
PS/2 mouse
output
VGA signal
output
AC power jack

INSTALLATION
~ 5~
2.2 SINGLE UNIT OR DAISY-CHAIN OPERATION
KVM08 has the capability to be Daisy-Chained to 15 more units (for a total of 16), giving
the user control over a maximum of 128 computers.
Each KVM08 unit is defined as a “BANK”. See the following diagram for more
information. BANK numbers range from 0 to F (Hexadecimal), for a total of 16 banks.
BANK 0 is the MASTER bank while BANK 1 through F are SLAVE banks. The
MASTER bank is the unit that connects to the console keyboard, mouse and monitor.
The DIP-switch on the rear panel must be set correctly for proper identification and usage.
See the next section for the actual settings. If you are using KVM08 in a single unit
configuration, it must be set as the MASTER (BANK 0). If it is to be used as a
SLAVE unit, then it must be set to any unused unique bank number from 1 through
F.
13245678
Bank 0 (Master)
91110 12 13 14 15 16
Bank 1 (Slave)
17 1918 20 21 22 23 24
Bank 2 (Slave)
121
123
122 124
125 126
127
128
Bank F (Slave)
etc… etc…
CONSOLE
Keyboard,
mouse and
monitor

INSTALLATION
~ 6~
2.3 HARDWARE INSTALLATION
Step 1
Set the DIP-switch for Auto-scan Interval and BANK Address. If you have only one
KVM08, use the MASTER bank setting. If the KVM-08 you are using will be
Daisy-Chained off another unit, use a unique slave setting. Please refer to the previous
section for more information. NOTE: “ON” is down
DIP-Switch NO.
DIP-Switch NO.
12Auto-scan Interval 3456BANK Address
ON ON 7 seconds ON ON ON ON BANK 0 MASTER
ON OFF 15 seconds OFF ON ON ON BANK 1 SLAVE
OFF ON 30 seconds ON OFF ON ON BANK 2 SLAVE
OFF OFF 60 seconds OFF OFF ON ON BANK 3 SLAVE
ON ON OFF ON BANK 4 SLAVE
OFF ON OFF ON BANK 5 SLAVE
ON OFF OFF ON BANK 6 SLAVE
OFF OFF OFF ON BANK 7 SLAVE
ON ON ON OFF BANK 8 SLAVE
OFF ON ON OFF BANK 9 SLAVE
ON OFF ON OFF BANK A SLAVE
OFF OFF ON OFF BANK B SLAVE
ON ON OFF OFF BANK C SLAVE
OFF ON OFF OFF BANK D SLAVE
ON OFF OFF OFF BANK E SLAVE
OFF OFF OFF OFF BANK F SLAVE
WARNING!
Before attempting to connect anything to the
KVM
08 or the computers, make sure everything is
powered off. Otherwise, plugging and unplugging
cables may cause irreversible damage to your
computers and the KVM08.

INSTALLATION
~ 7~
Step 2
Find a convenient place to put your KVM08. Its 19” rack mount form factor makes it
ideal mountable on 19” rack. When mounting to a rack, attach the included brackets to
the sides of the KVM08. Take note of the length of your cables so that your computers,
KVM08, keyboard, mouse and monitor are distanced properly.
Step 3
Connect the monitor to the KVM08. Using the attached cable, or the one included with
your monitor, connect it to the HD DB-15 female port on the back of the KVM08 labeled
with the monitor symbol at the CONSOLE connector.
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3Console PC2PC1
InputInput /SlaveMaster
Slave Input
Step 4
Connect the keyboard to the KVM08. If you have an AT type keyboard, you will need
an AT to PS/2 adapter.
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3
Console PC2PC1
InputInput /SlaveMaster
Slave Input

INSTALLATION
~ 8~
Step 5
Connect the mouse to the KVM08.
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3Console PC2PC1
InputInput /SlaveMaster
Slave Input
Step 6
Connect the first computer’s VGA cable to the KVM08. Using the VGA cable connect
the male end of the cable to the VGA port on the computer, and the female end on the
PC1 VGA port at the back of KVM08.
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3Console PC2PC1
InputInput /SlaveMaster
Slave Input
Step 7
Connect the first computer’s mouse cable to the KVM08. If using a PS/2 cable connect
one end to the PS/2 mouse port on the computer, and the other end to the PC1 PS/2
mouse port on the back of KVM08. If using a serial mouse cable connect one end to a
DB-9 serial port on the computer, and the other end to the PC1 DB-9 serial mouse port
on the back of the KVM08.
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3
Console PC2PC1
InputInput /SlaveMaster
Slave Input
Back of PC
Back of PC

INSTALLATION
~ 9~
Step 8
Connect the first computer’s keyboard cable to the KVM08. Using another PS/2 cable
connect one end to PS/2 keyboard port on the computer, and the other end to the PC1
keyboard port on the back of KVM08. If your computer has an AT type keyboard port,
you will need a PS/2 to AT keyboard adapter.
ON/OFF
SWPC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3Console PC2PC1
InputInput /SlaveMaster
Slave Input
Step 9
Double-check all of the connections. Make sure the keyboard and mouse cables go to
the correct ports.
Step 10
Repeat step 6 to 8 for the remainder of the computers.
Step 11
Attach the power supply to the power jack at the back of KVM08. Plug this into
available AC outlet. Flip the power switch on the front panel. You should see the LED
for channel 1 on the front panel blink, and hear a beep. Power up your monitor.
Step 12
You can now power up all your computer simultaneously. The first computer will show
up on the monitor. Check to see if the keyboard, mouse and monitor work. If this is
okay, press the “Channel” button and check the functionality of the other computers. If
you find any errors, double-check all of the cable connections.
Note: Avoid pressing any keys on the keyboard or moving the mouse is the
currently selected port has a computer that is in the process of booting up.
This may cause the computer to not detect, or initialize the keyboard or
mouse drivers properly.
Back of PC

INSTALLATION
~ 10 ~
2.4 DAISY-CHAIN
The KVM08 can be daisy-chained with additional KVM08 units through the DB-25
daisy-chain ports. The daisy-chain cable is required (not included) for proper operation.
Please refer to the example below. Here, four KVM08 units are cascaded together for
control over 32 computers. Recall that a maximum of 16 KVM08 units can be cascaded
together for control over 128 computers. Recall that the DIP-switch on the MASTER unit
must be set to BANK 0, and the SLAVE units set to a unique BANK (any from 1 through
F). See the beginning of this section for this section for more information on the
DIP-switch settings.
ON/OFF
SW
PC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3Console PC2PC1
InputInput /SlaveMaster
Slave Input
ON/OFF
SW
PC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3Console PC2PC1
InputInput /SlaveMaster
Slave Input
ON/OFF
SW
PC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3
Console PC2PC1
InputInput /SlaveMaster
Slave Input
ON/OFF
SW
PC8PC7
AC
90-240VAC
LINE
PC6PC5PC4PC3
Console PC2PC1
InputInput /SlaveMaster
Slave Input
lAfter setting the DIP-switch on the SLAVE unit, connect the computers using the same
procedure outlined in step 5 to 9 in the previous section. DO NOT POWER UP THE
COMPUTER YET.
lUsing the daisy-chain cable, connect one end to the “Master Input / Slave Output” port
of the unit. Refer to the diagram above.
nIf the previous unit is the MASTER, then the other end of the cable connects to the
“Master Input / Slave Output” port of the MASTER (such as cable 1 in the diagram
above)
nIf the previous unit is a slave, then the other end goes to the “Slave Input” port of
the previous slave unit (such as cable 2 and 3 in the diagram above)
lUpon connecting the daisy-chain cable to the previous unit, it should automatically
power up if the previous unit is powered up. However, it is still recommended that the
power supply be used with the slave unit. You will see the LED display on the front
panel show the units bank address setting.
MASTER
(Bank 0)
SLAVE
(Bank 1)
SLAVE
(Bank 2)
SLAVE
(Bank 3)
Cable 1
Cable 2
Cable 3

INSTALLATION
~ 11 ~
lRESET the MASTER unit by pressing the Bank/SCAN and Channel buttons
simultaneously. This is necessary for the MASTER unit to detect the newly added
slave unit.
lVerify that the MASTER unit has detected the new slave by pressing the Bank/SCAN
button. If it detected the new slave properly, the LED display on the MASTER will
register the slave unit’s bank address. If you have many slave units, you may have to
press the Bank/SCAN button many times to cycle through all of the preexisting slave
units before reaching the newly added unit.
lNow you can power up the computers connected to the newly added salve unit. After
all the computers have booted up, you may need to RESET the MASTER unit again to
detect the presence of powered computers on the new slave unit.

OPERATION
~ 12 ~
OPERATION
Selecting which computer to operate can be done either by On-Screen Display, the select
button, or through keyboard “Hot Key” commands. You will notice that after the KVM08
switches to another computer, the mouse will be inoperative for about 1-2 seconds. This
is normal operation and ensures that proper mouse synchronization is established.
Pressing the “Channel” button cycles you through all the ports, including inactive ports.
Keyboard “Hot Key” Commands
You can also conveniently command the KVM08 to switch ports (channel) through
simple keyboard key sequences. To send commands to the KVM08, the SCROLL
LOCK key must be pressed twice within 2 seconds. You will hear a beep for
confirmation. Below are the different commands.
CHAPTER 3.
12345678
Switch to Previous Active port
(On the same BANK)
SCROLL
LOCK
SCROLL
LOCK
Switch to Next Active port
(On the same BANK)
SCROLL
LOCK
SCROLL
LOCK
Switch to Next BANK
(By default, selects first active port on that BANK)
SCROLL
LOCK
SCROLL
LOCK
Page
Down
Switch to Previous BANK
(By default, selects first active port on BANK)
SCROLL
LOCK
SCROLL
LOCK
Page
Up
Directly switches to port Y on BANK X
X=0 to F (Hexadecimal), Y=1 to 8
SCROLL
LOCK
SCROLL
LOCK x
Y

OPERATION
~ 13 ~
You can switch directly to any channel by giving the KVM08 the BANK and Channel
numbers. For instance, if you press SCROLL LOCK, SCROLL LOCK, 2, 5, the
computer on channel 5 of KVM08 set to BANK 2 will be selected. In the following
diagram, that is PC 21. Hence, if you only have one KVM08, the first key (X) must be
“0”.
AutoScan Mode
In AutoScan mode, KVM08 remains on one channel for a number of seconds, before
switching to the next. This time interval is set in the On-Screen Display menu.
Note: There is no mouse or keyboard control in this mode. This is necessary to prevent
errors. Otherwise, if the user is moving the mouse or using the keyboard when
KVM08 switches to the next channel, data flow is interrupted and will cause erratic
mouse movement and / or the wrong characters to show up when using the
keyboard.
To get out of AutoScan mode, press ANY key.
Enable AutoScan mode
SCROLL
LOCK
SCROLL
LOCK 00
13245678
Bank 0 (Master)
91110 12 13 14 15 16
Bank 1 (Slave)
17 1918 20 21 22 23 24
Bank 2 (Slave)
121
123
122 124
125 126
127
128
Bank F (Slave)
etc… etc…
CONSOLE
Keyboard,
mouse and
monitor

OPERATION
~ 14 ~
On-Screen Display Menu Control
To get into the On-Screen Display (OSD) menu, press SCROLL LOCK, SCROLL LOCK,
SPACE BAR. Immediately, the OSD overlay screen appears. This screen is generated
by the KVM08, and does not affect your computers or running software in any way.
˙You can navigate through the active ports by using the arrow keys. The OSD menu
will only allow you to move to active ports.
NOTE: If a computer is connected and is powered up, but the OSD menu does not
display a “®”, you will have to RESET the KVM08 to re-detected the powered
computers. This is done by simultaneously pressing the Bank/SCAN and
Channel buttons on the front panel.
˙Pressing the INSERT key allows you to rename the port. Press ENTER to complete.
NOTE: Inadvertently pressing the SCROLL LOCK, SCROLL LOCK, DELETE keys will
erase any given names on the OSD menu.
Enable On-Screen Display Menu
SCROLL
LOCK
SCROLL
LOCK Space Bar
The main OSD screen menu
is shown on the right. It
shows the currently selected
BANK. If you have only
one KVM
08, it will say
“BANK 0”.
The current selected port is
shown in RED.
A “®
” indicates that the
computer connected to that
port is powered up.
KVM08 OSD
1. CHANNEL 1
2. CHANNEL 2
3. CHANNEL 3
4. CHANNEL 4
5. CHANNEL 5
6. CHANNEL 6
7. CHANNEL 7
8. CHANNEL 8
BANK 0
(TAB): FUNCTION/HELP
:PgUp :PgDn
®
®
®
®“®” indicates
PC is powered
Currently
selected
Port is in
Red
Currently
selected
Bank
Address