Black Box AC230A, AC231A, AC235A, AC232A, AC234A User Manual
...
CUSTOMER
SUPPORT
INFORMATION
Order toll-free in the U.S. 24 hours, 7 A.M. Monday to midnight Friday: 877-877-BBOX
FREE technical support, 24 hours a day, 7 days a week: Call 724-746-5500 or fax 724-746-0746
Mail order: Black Box Corporation, 1000 Park Drive, Lawrence, PA 15055-1018
Web site: www.blackbox.com • E-mail: info@blackbox.com
JUNE 1998
AC230A AC234A
AC231A AC235A
AC232A AC236A
AC233A AC237A
KVM Extender/Sharer (for VGA)
KVM EXTENDER/SHARER
LOCAL MODULE
POWER
KEYBOARD
MONITOR
HOST
MOUSE
KVM EXTENDER/SHARER
REMOTE MODULE
POWER
KEYBOARD
MONITOR
HOST
MOUSE
KVM EXTENDER/SHARER
HOST MODULE
REMOTE
MONITOR
MOUSE
KEYBOARD
LOCAL
LOCAL
REMOTE
TRADEMARKS
TRADEMARKS USED IN THIS MANUAL
AT, IBM, and PS/2 are registered trademarks, and PC/XT is a trademark,
of IBM Corporation.
Any other trademarks mentioned in this manual are acknowleged to be the property
of the trademark owners.
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KVM EXTENDER/SHARERS
Contents
Chapter Page
1. Specifications ............................................................................................. 5
2. Introduction ............................................................................................... 6
2.1 General Overview ................................................................................ 6
2.2 Important Features ............................................................................. 6
2.3 What You Should Have Received ....................................................... 7
2.4 Other Items You Might Need ............................................................. 8
3. Installation .................................................................................................. 9
4. Operation ................................................................................................. 11
4.1 Plus Version Only: Setting Switch W4 .............................................. 12
4.2 Pro Version Only ............................................................................... 12
4.3 Types of Equipment Supported ....................................................... 13
4.3.1 Keyboards ....................................................................................13
4.3.2 Monitors ......................................................................................13
4.3.3 Mice .............................................................................................13
5. Troubleshooting ...................................................................................... 15
5.1 Calling Black Box .............................................................................. 15
5.2 Shipping and Packaging ................................................................... 15
Appendix: Pinouts .......................................................................................... 16
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CHAPTER 1: Specifications
Standards — VGA
Interfaces — (4): PC keyboard, VGA video, PC serial
mouse, and proprietary composite
Maximum Distance — From Local module to Host module: 6 ft. (1.8 m);
From Host module to Remote module: 150 ft.
(45.7 m) with VGA KVM Extension Cable
(EHM027)
User Controls — Local modules: (1) Left-side-mounted toggle
switch for local vs. remote operation;
KVM Extender/Sharer Plus and Pro Host modules:
(1) Internal 4-position DIP switch for normal vs.
video-splitter operation
Indicator — Local and Remote modules: (1) Power LED (red)
Connectors — Communication between modules:
Host modules: (2) Rear-mounted DB15 female;
Local and Remote modules: (1) Right-side-
mounted DB15 male;
Keyboard: All modules: (1) Front-mounted 5-pin
DIN female;
Monitor:
Host modules: (1) Front-mounted DB15HD
male;
Local and Remote modules: (1) Right-side-
mounted DB15HD female;
Mouse: All modules: (1) Front-mounted DB25 male
Power — 5 VDC from the keyboard interface
Size — Host modules: 3.5"H x 5"W x 1"D
(8.9 x 12.7 x 2.5 cm);
Local and Remote Modules: 3"H x 5"W x 1"D
(7.6 x 12.7 x 2.5 cm)
Weight — Each Module: 0.6 lb. (0.3 kg)
1. Specifications
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KVM EXTENDER/SHARERS
2.1 General Overview
The Keyboard/Video/Mouse (KVM) Extender/Sharers let you either
control a computer from a remote keyboard, monitor, and mouse, or share
a computer between two users (not at the same time). In Shared Mode, local
or remote user control is exercised through a switch on the Host Module of
the Extender/Sharer, which is connected directly to the computer.
The KVM Extender/Sharers work with IBM®PC/XT™, AT®, or PS/2
®
computers and 100% compatibles. They support Video Graphics Array
(VGA) monitors and graphics, and are compatible with both powered and
nonpowered serial mice or any serial-interface device such as a trackball or
digitizer pad. They are transparent to application software, so remote displays
are updated immediately.
Your remote setup can be located up to 150 feet (45.7 m) away from the
computer. Of course, in order to share the computer between a local and
remote setup, an additional keyboard, monitor, and mouse (if the application
software requires one) must be purchased separately.
With the regular KVM Extender/Sharer, remote video is disabled when the
unit is switched to local operation and vice versa. With the KVM Extender/
Sharer Plus, video can be active at both sites, regardless of where the input is
coming from. And with the KVM Extender/Sharer Pro, not only can video
can be active at both sites, but you can switch control from site to site by
pressing any key on an inactive keyboard.
2.2 Important Features
• Can be used in Extension or Shared Mode—either operate your
computer solely from a Remote monitor, keyboard, and mouse, or
switch control back and forth between a Remote and a Local setup.
• Shared operation—your two sets of keyboard, monitor, and mouse can
be in different rooms, in different areas, or even on different floors, up
to 150 ft. (45.7 m) away.
• Remote lockout ability—prevents two users who are sharing a computer
from different locations from entering information at the same time.
• Transparent to all software and graphics—what you see on the local
monitor is what appears on the remote monitor.
2. Introduction
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