FCC User Information
WARNING: This equipment generates, uses and can radiate radio frequency
energy and if not installed and used in accordance with the instruction manual,
may cause interference to radio communications. It has been tested and found to
comply with the limits for a Class A computing device pursuant to Subpart B of
Part 15 of FCC Rules, which are designed to provide reasonable protection
against such interference when operated in a commercial environment. Operation
of this equipment in a residential area is likely to cause interference, in which
case the user at his own expense will be required to take whatever measures may
be required to correct the interference.
USER’S MANUAL
QuadSwitch
ΤΜ
for VGA
55 Cabot Court, Hauppauge, NY 11788
Tel: (631) 273-0404 Fax: (631) 273-1638
www.commspecial.com
Communications Specialties Pte Ltd
Singapore
Tel: +65 6391 8790 Fax: +65 6396 0138
Introduction
Thank you for purchasing this QuadSwitch for VGA 4 x 1 switcher. This
product will allow you to switch any one of four VGA compatible computer
outputs to one VGA monitor, display device or scan converter input.
This product is supplied with the following components:
1
1
1
1
1
1.
QuadSwitch for VGA switcher
Universal input power supply
AC line cord
Phoenix connector for use with contact closure remote
User's Manual
Compatibility with all computer types and resolutions
up to 1600 x 1280
300 MHz bandwidth
RS-232/485 or contact closure remote control
Using VGA cable, connect up to four VGA computer outputs to the
four VGA IN connectors, labeled VGA 1, 2, 3 and 4, on the back of
the QuadSwitch. (This may involve disconnecting any VGA monitors
that are currently connected to the VGA output of any of your
“source” computers.)
P/N 120526 Rev. E
Limited Warranty
Communications Specialties, Inc. (CSI) warrants that for a period of three
years after purchase by Buyer, QuadSwitch for VGA will be free from defects in
material and workmanship under normal use and service. A Return Material
Authorization (RMA) number must be obtained from CSI before any equipment
is returned by the Buyer. All material must be shipped to CSI, Hauppauge, New
York, at the expense and risk of the Buyer. Units returned to the Buyer will be
shipped freight collect.
CSI’s obligation under this warranty will be limited, at its option, to either
repair or replacement of defective units, including free materials and labor, at its
customer service facility in Hauppauge, New York. In no event shall CSI be
responsible for any incidental or consequential damages or loss of profits or
goodwill.
CSI shall not be obligated to replace or repair equipment damaged by fire,
war, acts of God or similar causes, or equipment that has been serviced, altered,
improperly installed or abused.
RMA numbers and repairs can be obtained from:
Communications Specialties Headquarters
Tel: (631) 273-0404
Fax: (631) 273-1638
CSPL, Singapore
Tel: +65 6391 8790
Fax: +65 6396 0138
Key features of this switcher are:
Installation
QuadSwitch is a registered trademarks of Communications Specialties, Inc.
 Communications Specialties - Switches QuadSwitch Manual
2.
3.
4.
Connect your monitor, scan converter or display to the output
labeled MONITOR OUT on the rear of the QuadSwitch.
Connect the power supply to the jack marked POWER on the rear of
the QuadSwitch.
Plug the power supply into into a 110 Vac or 220 Vac wall outlet as
appropriate. The front panel LED should glow red, indicating the unit
is properly powered.
Turn on the computers and the monitor or display device. Use the
numbered buttons on the front of the switcher to select which VGA
IN (1, 2, 3 or 4) will be displayed on the MONITOR OUT.
just send the ASCII character 3.
The default communications parameters for this port are:
RS-232 @ 9600, n, 1, 1
The baud rate may be changed by setting an internal DIP switch as
follows:
Switch S5, switch positions:
5.
1
ON
OFF
OFF
OFF
ON
2
ON
ON
OFF
OFF
ON
3
ON
ON
OFF
ON
OFF
B
AUD
R
ATE
2400
4800
9600 (default)
19200
38400
Remote Switching Using Contact Closures
Input switching can be accomplished through the connector labeled Remote
Switch on the rear panel of the QuadSwitch. Using the pins indicated below,
attach the wire you plan to use to the Phoenix mating connector provided
with your QuadSwitch. A simple contact closure to ground will perform the
switch.
PIN (Left to Right)
1
2
3
4
5
INPUT
#1
#2
#3
#4
Ground
4
OFF
ON
P
ROTOCOL
RS-232 (default)
RS-485
The pin out of the DB-9F connector on the rear panel is:
P
IN
1
2
3
4
5
6
7
8
9
F
UNCTION
Tied to 4 and 6
No connection
RCV data (RS-232/485)
DTR
Ground
DSR
RTS (tied to pin 8)
CTS
RCV data (RS-485 only)
Remote Switching Using RS-232/485 Connector
Input switching can be accomplished through this connector on the rear
panel using standard RS-232 or RS-485 signaling.
Only one ASCII character, corresponding to the input number to be
selected, is to be sent into this port. For example, to switch to Input #3,