Gefen DVI-841 User manual

8x1 DVI Switcher
USER MANUAL
www.gefen.com

Technical Support:
Telephone [phone]
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Technical Support Hours:
8:00 AM to 5:00 PM Monday through Friday.
Write To:
Gefen Inc.
c/o Customer Service
20600 Nordhoff St
Chatsworth, CA 91311
www.gefen.com
[email protected]
Notice
Gefen Inc. reserves the right to make changes in the hardware, packaging and any
accompanying documentation without prior written notice.
8x1 DVI Switcher is a trademark of Gefen Inc.
© 2007 Gefen Inc., All Rights Reserved
ASKING FOR ASSISTANCE

TABLE OF CONTENTS
Introduction
Features
Panel Descriptions
Connecting and Operating the 8x1 DVI Switcher
RMT-8IR Installation
RS-232 Interface
Specifications
Warranty
1
2
3
4
5
6
7
8

Congratulations on your purchase of the ex•tend•it 8x1 DVI Switcher. Your complete
satisfaction is very important to us.
Gefen’s line of DVI switches, extenders, and splitters are designed to make yourA/V
equipment use more comfortable, more productive and less expensive.
The 8x1 DVI Switcher allow access to multiple DVI devices, using a single DVI display
while the DVI extender product line can extend the DVI video up to 1640 feet (500 me-
ters).
The ex•tend•it line offers solutions for noise, space and security concerns, data center
control, information distribution, conference room presentation, school and corporate
training environments.
Our Commitment
Gefen will always offer the finest quality product at the best possible price. Included in
that price is a lifetime of support from a team of outstanding engineers.
The 8x1 DVI Switcher allows eight DVI devices to be switched easily in to one DVI
compatible monitor or projector. The 8x1 DVI Switcher can also be placed at the end of
a long DVI cable to regenerate the DVI signal.
INTRODUCTION
1

FEATURES
Features
• Switches easily between any eight DVI computers
• Maintains highest resolution single link video
• Saves you money on hardware costs
• Saves space on your desktop
• No loss of quality
• Discrete IR remote (included); RS-232 controllable
• Supports VESA standard and HDTV Resolutions
• Supports DDWG standards for DVI monitors
• Installs in minutes
• Rackmountable
Includes:
(1) 8x1 DVI Switcher
(8) 6’ DVI-D cables (m-m)
(1) 5VDC Power Supply
(1) RMT8-IR
(1) Users Manual
2

PANEL DESCRIPTIONS
3
LED Indicators
IR Eye
DVI in 15v Power DVI in 2
RS-232
Port
DVI in 3 DVI Out
DVI in 4 DVI in 5 DVI in 6 DVI in 7 DVI in 8
IR Extender
Port

CONNECTING AND OPERATING THE 8x1 DVI SWITCHER
How to Connect the 8x1 DVI Switcher to your devices
1 Connect the supplied DVI cables from the DVI sources into the DVI Switcher Inputs.
2Connect the cable from your display (monitor or projector) into the DVI Out of the
8x1 DVI Switcher.
How to Operate the 8x1 DVI Switcher
1 Use the RMT4-IR remote control port to remotely switch between sources.
2 Alternatively, use an RS-232 control system to switch between sources.
Operation Notes
The 8x1 DVI Switcher can also be powered from input 1, as long as the device is on and
supplying 5V to the DVI connector.
4

RMT8-IR INSTALLATION
1. Remove battery cover from the back of the RMT8-IR remote.
2. Verify that dip switches 1 & 2 are in the down (OFF) position.
3. Insert the battery, hold the battery so that you can see the positive side facing up. The
side that is not marked must be facing down.
4. Test the RMT8-IR remote by pressing ONLY one button at a time. The indicator light
on the remote will flash once each time you press a button. WARNING: Do not press
multiple buttons simultaneously and do NOT press buttons rapidly. These actions will
cause the remote to reset and steps 1-4 will have to be repeated.
Note: The RMT8-IR ships with two batteries. One battery is required for operation, the
second battery is complimentary.
5

RS-232 INTERFACE
6
Binary Table
Input Binary
1 0011 0001
2 0011 0010
3 0011 0011
4 0011 0100
5 0011 0101
6 0011 0110
7 0011 0111
8 0011 1000
RS232 Settings
Bits per second ...................................................................................................... 19200
Data bits ......................................................................................................................... 8
Parity ....................................................................................................................... None
Stop bits ..........................................................................................................................1
Flow Control ............................................................................................................ None

SPECIFICATIONS
7
Video Amplifier Bandwidth ................................................................................ 1.65 Gbps
Input Video Signal ......................................................................................... 1.2 volts p-p
Input DDC Signal .................................................................................... 5 volts p-p (TTL)
Single Link Range ......................................................................................... 1920 x 1200
DVI Input/Output Connector Type ............................... DVI-I (29 pin) female (digital only)
Power Consumption .................................................................................. 20 watts (max)
Power Supply ......................................................................................................... 5V DC
Dimensions ............................................................................ 17” W x 1.75” H x 4.375” D
Rackmountable ........................................................................................... 1 Rack Space
Shipping Weight ..................................................................................................... 12 lbs.