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Keyboard/Monitor/Mouse Switch
Box
User Guide
Part Number 242757-001
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NOTICE
The information in t his publ icat i on i s subj ect t o change without not i ce.
COMPAQ COMPUTER CORPORATION SHALL NOT BE LIABLE FOR TECHNICAL OR
EDITORIAL ERRORS OR OMISSIONS CONTAINED HEREIN, NOR FOR INCIDENTAL OR
CONSEQUENTIAL DAMAGES RESULTING FROM THE FURNISHING, PERFORMANCE, OR
USE OF THIS MATERIAL.
This publication contains information protected by copyright. No part of this publication may be
photocopied or reproduced in any form without prior written consent from Compaq Computer
Corporation.
The software described in this guide is furnished under a license agreement or nondisclosure
agreement. The software may be used or copi ed only i n accor dance with the t erm s of the agr eem ent.
Product names mentioned herein may be trademarks and/or registered trademarks of t heir respective
companies.
1996 Compaq Computer Corporation.
All rights reserved. Printed in the U.S.A.
Compaq registered United States Patent and Tradem ar k Office.
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
First Editi on (October 1996)
Part Number 242757-001
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iii
Contents
Chapter 1
Introduction
Compaq Keyboard/Monitor/Mouse Switch Box Features ........................................1-1
Configurations ........................................................................................................1-2
Chapter 2
Installation
Attaching the Slide Rail Brackets............................................................................2-1
Preparing the Rack-Mount Brac ke ts........................................................................2-2
Rack-mount Installation..........................................................................................2-2
Cover Panel Installation..........................................................................................2-3
Compaq Keyboard/Monitor/Mouse Switch Box System Installation........................2-4
Initial Power-up ......................................................................................................2-5
Keyboard/Monitor/Mouse Switch Box Startup Behavior.........................................2-6
Computer Startup Behavior.....................................................................................2-6
Configuring the Keyboard/Monitor/Mouse Switch Box ..........................................2-6
Switching Between Computers................................................................................2-7
Unattended Reboot..................................................................................................2-7
Chapter 3
Basic Switch Functions
Unit Operation........................................................................................................3-1
Switching Computers..............................................................................................3-1
Checking Port/Computer Status...............................................................................3-2
Advanced Switch Operations ..................................................................................3-2
Scanning System Computers...................................................................................3-3
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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iv
Displaying Version Information and Device Settings..............................................3-4
Basic Switch Functions
Saving the Hardware Configuration ........................................................................3-5
Resetting the Mouse and Keyboard.........................................................................3-5
Setting a Scanning Pattern.......................................................................................3-6
Assigning Names to Switch Ports ............................................................................3-7
Changing the Menu Attributes.................................................................................3-7
Changing the Status Flag Attributes........................................................................3-9
Assigning Sp ecific Device Types..........................................................................3-11
Changing the Security Password...........................................................................3-12
Resetting the Unit.................................................................................................3-13
Making Connections Under Power........................................................................ 3-13
continued
Chapter 4
Alternate Configurations
Paired Switch Configurations..................................................................................4-1
Tiered Switch Configurations..................................................................................4-2
Connecting Tiers while the System is Powered Up..................................................4-3
Switching Tiered Systems.......................................................................................4-3
Appendix A
Compaq Keyboard/Monitor/Mouse Switch Box Specifications
Product Specifications............................................................................................A-1
Appendix B
Command Summary
Keyboard Sequences for CCR................................................................................B-1
Appendix C
Troubleshooting Tips
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v
Appendix D
Regulatory Notices
Appendix E
Power Cord Set Requirements
General Requirements............................................................................................E-1
Country-Specific Requirements..............................................................................E-2
Index
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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1-1
Chapter 1
Introduction
The Compaq Keyboard/Monitor/Mouse Switch Box is a device that switches a
single keyboard, mouse, and monitor between multiple Compaq computers.
The Keyboard/Monitor/Mouse Switch Box is a space-efficient 1 U height
(1.75-inch) device and is available in four- and eight-port models. This
chapter provides an overview of the product features, functionality, and
sample configurations.
Compaq
Keyboard/Monitor/Mouse
Switch Box Features
The Keyboard/Monitor/Mouse Switch Box products provide Compaq users
with a complete Compaq solution for their server computing needs. You can
use the Keyboard/Monitor/Mouse Switch Box in various configurations to
connect from 2 to 64 servers.
The features of the Keyboard/Monitor/Mouse Switch Box include:
■
Console Conf i g ur a t i o n Re po r t i ng (CCR) - Console Configuration
Reporting displays system-related information on the monitor, such as
power-up test data and configuration menus.
■
Programmable Scanning - You can evaluate system performance by
sequentially scanning any or all of the computers in the system.
Programmable scanning allows you to determine which computers to
include as well as the duration of the connection.
■
Configura t i o n NVRAM - NVRAM (non-volatile RAM) makes it easy
to set configuration information using commands entered from the
keyboard. The NVRAM stores the resulting configuration until you
decide to change the information, even if the unit loses power.
■
Hardwar e Reset Swit c h - If the keyboard or mouse communication is
disrupted, you can press this switch to reset the unit.
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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1-2 Introduction
■
External Keypad Jack - The Keyboard/Monitor/Mouse Switch Box
has an external keypad jack to support rack-mounted Compaq products.
In this configuration, the switch is mounted behind a door in a cabinet
and the optional keypad is mounted outside the cabinet for easy access.
■
Password P r o t e c t i o n - For protection against unauthorized users, the
Compaq Keyboard/Monitor/Mouse Switch Box provides a password
option for security purposes.
Configurations
There are many ways to c onfi gure your Com pa q Keyboard/ Monit or/Mouse
Switch Box in order to meet your specific organizational needs. Additional
information on configuring multiple Keyboard/Monitor/Mouse Switch Boxes
can be found in Chapter 4.
■
A single Keyboard/Monitor/Mouse Switch Box is used to connect four
or eight servers. In this configuration, the keyboard, monitor, and
mouse are connected directly to the unit by their respective cables.
You can connect the Keyboard/Monitor/Mouse Switch Box to servers
located in the same or adjoining racks. See Figure 1-1.
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1-3
Master Switch
Keyboard,
Mouse,
and
Video Cables
HYDR-001.EPS
Figure 1-1. Single Keyboard/Monitor/ M ouse Switch Box
■
You can pair two Keyboard/Monitor/Mouse Switch Box units to
connect up to 16 computers. In this configuration, two eight-port
switches are placed one on top of another with a cable connecting
them. This requires only 2U (3.5 inches) of vertical space. For
additional information, see Chapter 4, “Paired Switch Configurations.”
■
You can tier multiple Keyboard/Monitor/Mouse Switch Box units to
connect up to 64 servers. This configuration is often referred to as a
“master/slave” system. It is illustrated in the example below, with the
slave unit’s device port connected to one of the computer ports on the
original or master unit. Multiple Keyboard/Monitor/Mouse Switch
Box units can be tiered from the master unit. See Figure 1-2.
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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1-4 Introduction
Master Switch
Keyboard,
Mouse,
and
Video Cables
HYDR-002.EPS
Figure 1-2.
Slave Switch
Tiered Configuration
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g
2-1
Chapter 2
Installation
This chapter provides installation information for the Compaq
Keyboard/Monitor/Mouse Switch Box.
WARNING: To reduce the ris k of personal injury or dam age
to the equipment be s ur e that; t he lev eling feet are extended to
the floor and supporting the full weight of the rack. E ac h r ac k
should be level and stable. Racks that are not coupled to
require the installation of stabiliz ing feet. This m us t be
accomplished before per forming any work on the rack.
WARNING: Risk of personal injury . The rack m ay bec om e
unstable if more than one component is ex tended for any
reason. Always ens ur e that the rac k is adequately stabilized
before extending a com ponent outside the r ac k . Extend only
one component at a t im e.
ether
Attaching the Slid e Rail
Brackets
The figure below shows how to attach the slide rail brackets to the
Keyboard/Monitor/Mouse Switch Box. Make sure that the front end of the
rack-mount bracket s angl e out a way from t he unit .
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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2-2 Installat ion
HYDR-003.EPS
Figure 2-1.
At t aching slide rail brackets
Preparing the Rack-Mount
Brackets
Prepare the rack-mount brackets for cable management in the rack by
attaching the plastic cable ties. The cable ties snap into place, with the tie on
the outside of the bracket. See Figure 2-2. After the cable ties are in place,
install the rack-mount brackets in the rack by sliding the two back tabs in the
back mounting rail. Secure the rack-mount brackets in the front mounting rail
with two 6mm screws each, making sure to use only the top and bottom holes.
The middle will be used for attaching the front cover panel after the unit is
fully installed. Also install the cable rod in the back of the unit in the two
keyhole-shaped holes. Push the rod down to lock it in place.
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2-3
HYDR-010.EPS
Figure 2-2.
Snapping cable ties into place
Rack-mount Install ation
Slide the Keyboard/Monitor/Mouse Switch Box into the rack-mount brackets
until it snaps into place, as shown in Figure 2-3.
HYDR-007.EPS
Figure 2-3.
Sliding the Keyboard/M onitor / M ouse Switch Box into
rack-mount bracket s
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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2-4 Installat ion
Cover Panel Installation
After the unit is fully installed, secure the front cover panel using the middle
hole, as shown below.
HYDR-008.EPS
Figure 2-4.
Secur ing t he f r ont cover panel
Compaq
Keyboard/Monitor/Mouse
Switch Box System
Installation
Use the following procedure for system installation:
WARNING:
to your equipment, make sure t he power c or d is dis c onnec ted
from the Switch Box.
1. Connect the keyboard, monitor, and mouse cables to the switch
monitor, keyboard, and mouse connectors as shown below. Note that
all keyboard and mouse cables are 6-pin mini-DIN PS/2 style, and all
the video ca bl e s are 15-pi n VGA st yl e.
To reduce the ris k of electric s hoc k or dam age
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2-5
Monitor
HYDR-004.EPS
Keyboard Mouse
Figure 2-5.
Keyboar d/ M onitor / M ouse Switch Box Connectors
Computer 3
Monitor
Computer 3
Keyboard
Computer 3
Mouse
Power Cord
Connector
Power
Switch
2. Decide which computer is to be connected to port 1. Connect the
computer’s keyboard and mouse to the jacks marked K and M,
respectively, beneath the port labeled One. Connect the computer’s
monitor to the 15-pi n VGA c onne c tor. Bundl e and l a bel t he c a ble s for
easy identification.
3. Repeat step 2 for all remaining computers to be connected to the
Keyboard/Monitor/Mouse Switch Box. Bundle the cables to the cable rod
with Velcro cable ties. Then route the cables out the slot in the rackmount bracket. Use the plastic cable ties to bundle the cables. See Figure
2-6.
Cable Rod
Figure 2-6.
Velcro Ties
Plastic
Cable Ties
HYDR-009.EPS
Bundling cables with cable ties
Compaq Keyboard/Monitor/Mouse Switch Box User Guide
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2-6 Installat ion
WARNING:
your equipment, do not disable the power cor d gr ounding
feature. This equipment is des igned to be connected to a
grounded (earthed) power outlet that is eas ily ac c es s ible to the
operator. T he gr ounding plug is an im por tant safety feature.
4. Connect the power cord to the Keyboard/Monitor/Mouse Switch Box.
To reduce the ris k of electric s hoc k or dam age to
Initial Power-up
It is important that you power up the Keyboard/Monitor/Mouse Switch Box
first, then the computers. This is because when the servers boot up, their
drivers send device settings to the switch. These settings are then stored in the
switch NVRAM. Power-up the system as follows:
1. Power up the switch by pressing the power switch located on the rear
panel to the on (1) position.
2. Power up the computers.
Keyboard/Monitor/Mouse
Switch Box Startup Behavior
Power up the Keyboard/Monitor/Mouse Switch Box first. During startup, the
unit does the following:
■
Identifies the mouse and keyboard and puts them into default states.
■
Switches to port number 1 by default, and displays the number “1” in
the status flag displayed on the monitor. If the status flag default
setting has been changed to Names mode, the status flag displays the
port name instead of the port number. If a status flag is not being
shown on the monitor, make sure that it is connected and powered up.
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