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Switch
Thank You!
Thank you for selecting the APC KVM Switch. The APC KVM Switch has been
designed for many years of reliable, maintenance free service. APC is dedicated
to the development of high-performance electrical power conversion and control
products and we hope that you will find this product a valuable, convenient addition to your computing system.
Please read this manual! It provides important safety, installation and operating
instructions that will help you get the most from your switch.
Save this manual! It includes instructions for obtaining factory service should
the proper operation of the APC KVM Switch come into question.
Radio Frequency Interference
WARNING: Changes or modifications to this unit not expressly approved by the
party responsible for compliance could void the user’s authority to operate this
equipment.
FCC Statement
NOTE: This equipment has been tested and found to comply with the limits for a
Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are
designed to provide reasonable protection against harmful interference when the
equipment is operated in a commercial environment. This equipment generates,
uses and can radiate radio frequency energy and, if not installed and used in accordance with the instruction manual, may cause harmful interference to radio
communications. Operation of this equipment in a residential area is likely to
cause harmful interference in which case the user will be required to correct the
interference at his own expense.
Canadian Department of Communications Statement
This digital apparatus does not exceed the Class A limits for radio noise emissions
from digital apparatus set out in the Radio Interference Regulations of the Canadian
Department of Communications.
Le présent appareil numérique n’émet pas de bruits radioélectriques dépassant
les limites applicables aux appareils numériques de la classe A prescrites dans le
Règlement sur le brouillage radioélectrique édicté par le Ministère des Communications du Canada
INSTRUCTIONS: The exclamation mark within an
equilateral triangle is intended to alert the user to
the presence of important operating and maintenance
(servicing) instructions in the literature
accompanying the appliance.
DANGEROUS VOLTAGE: The lightning flash with
arrowhead symbol, within an equilateral triangle, is
intended to alert the user to the presence of uninsulated
“dangerous voltage” within the product's enclosure
that may be of sufficient magnitude to constitute a risk
of electric shock to persons.
PROTECTIVE EARTHING TERMINAL: A
terminal which must be connected to the earth prior
to making any other connections to the equipment.
POWER ON: This symbol indicates the principle
on/off switch is in the on position.
POWER OFF: This symbol indicates the principle
on/off switch is in the off position.
1.1 Product Overview - Feature Overview
The APC KVM Switch allows you to control up to 64 computers with
one keyboard, monitor and mouse. Each computer can be up to 25 feet
away from the switch. The switch works with IBM PC/AT and PS/2
systems, and 100% compatible machines with support for VGA, SVGA,
XGA and XGA-II video. PS/2 keyboard and PS/2 mouse peripherals
are supported through the rear of the unit.
Expansion for up to 64 computers
An APC KVM Switch unit will support from one to eight attached
computers or channels. If more than eight channels are needed, multiple
units can be cascaded together for expansion. Up to 2 tiers of units can
be connected for a total of 64 attached computers in one system.
On-screen display capability
Configure and control your APC KVM Switch with on-screen menuing.
Name your computer channels anything you wish, then select the
desired computer from an easy-to-use menu. Secondary menus let you
configure and initiate channel scanning and other system features.
Advanced security for total control over system access
Use the advanced two-level security feature to configure and control
server access for every type of user in the system. The administrator
has full access privileges; individual users can have viewing or viewing/
editing capability for each attached server.
IntelliMouse support
The APC KVM Switch offers full support for the Microsoft IntelliMouse.
OSD Configuration Utility
The OSD Configuration Utility allows the administrator to easily
configure and download a channel list with defined users and access
privileges to the entire system. This utility will also read and save your
current configuration for extra security.
1
Push-button and keyboard switching
In addition to using the on-screen menus, you can switch computer
channels in one of three easy ways: via the APC KVM Switch channel
push-buttons, with the Scan button or with a simple keyboard sequence.
“Keep Alive” feature
APC KVM Switch’s “Keep Alive” feature allows attached servers to
power the unit in the event of a switch power failure. This prevents
attached computers from locking up and keeps you from losing time
and data.
Built-in scanning capabilities
A built-in scanning feature allows you to automatically monitor, or
scan, your computers without intervention. When keyboard activity is
detected, scanning is suspended until all activity stops. Scanning then
resumes with the next channel in sequence.
Status indicator LEDs
Indicator LEDs give you constant readings on the status of your APC
KVM Switch unit. Status, scanning and channel LEDs take the
guesswork out of system operation and diagnostics.
A typical APC KVM Switch configuration is shown below.
S
U
T
A
T
S
12345678
N
A
C
S
2
1.2 Compatibility
The APC KVM Switch requires a PS/2 mouse and keyboard. The
following mice are known to be compatible:
IBM PS/2-styleLogitech Trackman
KensingtonMicrosoft Serial-PS/2 mouse
Logitech Mouseman (PS/2)Microsoft IntelliMouse
Other manufacturers' mice may operate with the APC KVM Switch. If
you experience problems using an untested mouse, contact APC
Technical Support with the manufacturer and model number of the
mouse in question.
3
2.1 Installation - Basic Installation
1. Power down all computers that will be part of your APC KVM
Switch system.
Connecting your Peripherals
2. Locate your PS/2 keyboard, VGA video monitor and PS/2 mouse.
3. Plug your VGA monitor cable into the port on the back of your
APC KVM Switch. Plug your PS/2 keyboard cable and your PS/2
mouse cable into the ports labeled and respectively.
A
E
USER
PAIRING
PS/2 KEYBOARD
CABLE
VGA MONITOR
CABLE
PS/2 MOUSE
CABLE
4
Connecting Computers to the APC KVM Switch
4. Locate your first input cable. It will have a 25-pin “D” connector at
one end. Plug this cable into any numbered channel port on the rear
of the switch. The other end of the input cable will have three connectors: a 15-pin “HDD” connector for your video, a PS/2 keyboard
connection and a PS/2 mouse connection. The PS/2 connectors are
designated by a mouse or keyboard icon on the connector. Plug these
connectors into the matching ports on your computer.
MOUSE PORT
KEYBOARD
PORT
VIDEO
PORT
100-240V~, .1a, 50/80Hz
T 2A, 250 VAC
POWER
PATENT PENDING
USER
H
G
F
E
D
C
B
A
MADE IN USA
5. Locate your next input cable. Repeat step 4 until all computers are
properly attached to the switch.
6. Locate the power cord that came with your APC KVM Switch unit.
Plug it into the IEC power connector on the switch. Make sure that
the power switch is off, then plug the other end of the power cord
into an APC UPS or appropriate AC wall outlet. This outlet must be
near the equipment and easily accessible, to allow for unplugging
prior to any servicing of the unit.
5
1
!
0
100-240V , .1A, 50/60 Hz
7. Power-up your APC KVM Switch unit first, then all attached servers.
The APC KVM Switch and all attached servers should
be powered-down before servicing the unit. Always
disconnect the power cord from the electrical socket.
2.2 Rack Mount Installation
1. Remove the side screws that secure the cover on your KVM Switch.
2. Line up the holes in the side brackets with the screw holes in the
side of the KVM Switch unit.
3. Using the previously removed screws, thread one through each of
the holes in the sides of the rack mount brackets and into the KVM
Switch cover. Tighten them securely.
100-240V~, .1a, 50/80Hz
T 2A, 250 VAC
POWER
PAIRING
USER
8
7
6
5
4
3
2
1
MADE IN USA
6
2.3 Advanced Installation
Attaching Multiple APC KVM Switch Units
1. Follow steps 1-6 of the Basic Installation section.
2. Plug the 25-pin “D” connector of your input cable into any avail-
able channel port on the rear of your base switch unit.
3. Plug the 15-pin video connector on the other end of the cable into
the port labeled on your first cascading KVM switch unit. Plug
the PS/2 mouse connector, designated by a mouse icon, into the
port. Plug the remaining 6-pin miniDIN keyboard connector into
the port.
CASCADING
MADE IN USA
PS/2 MOUSE
CONNECTOR
PATENT PENDING
100-240V , .1A, 50/60 Hz
PATENT PENDING
100-240V , .1A, 50/60 Hz
D
H
C
D
G
B
F
A
B
E
USER
PAIRING
1
!
0
1
!
0
USER
PAIRING
F
A
E
H
C
G
UNIT
BASE UNIT
MADE IN USA
VGA VIDEO
CONNECTOR
PS/2 KEYBOARD
CONNECTOR
4. Repeat steps 2-3 for every cascaded switch unit in your system.
5. Power-up your switch unit(s) first, then all attached computers.
7
3.1 Basic Operations - Overview
Your APC KVM Switch may be operated in a non-secure (no password
required) or secure (password required) mode. All units ship defaulted
to the non-secure mode. For information on implementing password
security see the “Administrator Functions” section of Chapter 4.
Computers may be powered-up one-at-a-time or all at once. No operator
intervention is required during booting. As the system stabilizes, an
amber LED over each channel will illuminate, indicating that the
attached computer is powered on. A green LED will light at the active
computer. A computer may now be selected via the on-screen display
menu or, if you are in non-secure mode, channel push-buttons, the Scan
button or keyboard hot-key sequence.
The Scan push-button has a green LED over it. Press the button
momentarily to switch to the next computer in sequence. Press and hold
the button for one second to initiate channel scanning. The green LED
will light while you are in scan mode.
There are two status LEDs. The red LED lights if an internal failure
occurs. The green LED will blink for several seconds during power-up
while the system performs a self-diagnostic. After initialization, the
green LED remains lit during normal operation and blinks only when
you are in Command Mode.
SCAN
12345678
8
STATUS
3.2 Keyboard Control
The following notational conventions appear throughout this chapter
to illustrate commands for operating the APC KVM Switch. Whenever
you see one of the symbols listed on the left side of the table, substitute
the corresponding steps or values listed on the right side of the table.
ConventionKey Sequence or Value
Enter Command Mode:
<CM>
1. Press and hold down the ‘Num Lock’ key.
2. Press and release the minus (-) key on the numeric keypad.
3. Release the ‘Num Lock’ key.
Note: For alternate hot-key sequences, see ‘System Control &
Maintenance’ later in this chapter.
<Enter>
Addr
<ESC>
Press the ‘Enter’ or ‘Return’ key. The <Enter> command is used
to execute an instruction and exit from Command Mode.
The numbers over the push-buttons on your APC KVM Switch
are your servers' addresses. Enter the number, 1-8, for the
computer you're selecting. For cascaded systems, enter the
address of the base unit first.
Example
channel 2 of your base unit. To access the computer at
channel 3 of this second (cascaded) unit, enter 23.
Press the ‘Escape’ key. The <ESC> command is used to exit
Command Mode without executing an instruction.
: You have an APC KVM Switch unit cascaded from
9
3.3 Keyboard Switching
One of the ways to change the active channel in a non-secured APC
KVM Switch system is by entering a short sequence of keystrokes on
the keyboard. This is called keyboard, or hot-key, switching.
Note: Hot-key switching is only available in the default non-secure state.
For more information on secure versus non-secure operation, see
the ‘Administrator Functions’ section of Chapter 4.
The first set of keystrokes places your system in Command Mode. As
long as you are operating in Command Mode, whatever you type will
be interpreted as channel switch commands until the Enter or the
Escape key is pressed to terminate Command Mode. None of the
keystrokes entered will be forwarded to the attached computer until
you exit Command Mode.
Next, enter the address (Addr) for the channel you wish to select.
Press Enter to accept the new channel. The following command line
shows the proper format used to switch your active channel via keyboard.
Key SequenceAction
<CM>Addr<Enter>Selects an active channel via keyboard.
Below is a sample of a keyboard switching session, with an
accompanying explanation for each step.
Key SequenceAction
1.<CM>5<Enter>Selects Channel 5 on the base unit as the active channel.
2.<CM>36<Enter>Selects the APC KVM Switch attached to channel 3 on the
base unit, then selects channel 6 on the cascaded unit.
3.<CM>7<Enter>Selects Channel 7 on the base unit as the active channel.
4.<CM>21<ESC>Exit Command Mode. The instruction is not executed.
Channel 7 is still the active channel.
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