Gefen EXT-DVI-441N User manual

www.gefen.com

4x1 DVI Switcher

EXT-DVI-441N

User Manual

ASKING FOR ASSISTANCE

Technical Support:

Telephone (818) 772-9100

(800) 545-6900

Fax (818) 772-9120

Technical Support Hours:

8:00 AM to 5:00 PM Monday thru Friday Paciﬁc Time

Write To:

Gefen, LLC

c/o Customer Service

20600 Nordhoff St

Chatsworth, CA 91311

www.gefen.com

[email protected]

Notice

Gefen, LLC reserves the right to make changes in the hardware, packaging and

any accompanying documentation without prior written notice.

4x1 DVI Switcher is a trademark of Gefen, LLC

All trademarks are the property of their respective owners

Rev A5

CONTENTS

1 Introduction

2 Operation Notes

3 Features / Package Includes

4 Panel Layout

5 Panel Descriptions

6 Connecting and Operating the 4x1 DVI Switcher

7 RMT-4IR Remote Description

8 RMT-4IR Remote Installation

9 IR Remote Control and 4x1 Switcher Conﬁguration

10 EDID Notes

11 EDID Notes, Continued

12 RS-232 Serial Control Interface

13 RS-232 Serial Control Commands

14 RS-232 Serial Control Commands, Continued

15 RS-232 Serial Control Commands, Continued

16 RS-232 Serial Communication -- Uploading EDID

17 Speciﬁcations

18 Warranty

INTRODUCTION

Congratulations on your purchase of the Gefen 4x1 DVI Switcher. Your complete

satisfaction is very important to us.

Gefen

Gefen delivers innovative, progressive computer and electronics add-on solutions

that harness integration, extension, distribution and conversion technologies.

Gefen’s reliable, plug-and-play products supplement cross-platform computer

systems, professional audio/video environments and HDTV systems of all sizes

with hard-working solutions that are easy to implement and simple to operate.

The Gefen 4x1 DVI Switcher

The rack-mountable Gefen 4x1 DVI Switcher offers an economical solution by

eliminating the need to purchase many displays for each DVI source in a studio

or lab situation. A plug-and-play solution, the 4x1 DVI Switcher shares one DVI

display with up to four computers or other DVI video sources, saving space on

your desktop. The source computer is selected using the included IR remote

control or through RS-232 control.

How It Works

The DVI monitor is connected to the switcher’s output. Up to four DVI sources

connect to the switcher’s DVI inputs using included high quality DVI cables.

The included power supply is connected to the switcher via the locking power

plug and then to a power outlet. The currently selected computer’s video signal

appears on the shared monitor. Video sources are selected/switched using the

RMT-4IR remote control, RS-232 control, or the input selector push button on the

front panel of the switcher.

OPERATION NOTES

READ THESE NOTES BEFORE INSTALLING OR

OPERATING THE GEFEN 4X1 DVI SWITCHER

• The 4x1 DVI Switcher will take any of up to four (4) DVI single-link resolution

inputs and switch them, one at a time, to a DVI output device such as a

display/monitor or projector. Resolutions can be up to 1920x1200.

• The 4x1 DVI Switcher is housed in a metal box for better RF shielding.

• Computers must be turned on one at a time and the switcher must be

selected to the computer that is booting up. Afterwards, switching may occur

in any order. Please see page 6 for further details.

FEATURES

Features

• Switches easily between any four DVI sources

• Maintains highest resolution single-link DVI at 1920x1200

• Discrete IR remote control included

• Serial RS-232 remote port for switching via automated control or PC

• Supports DDWG standards for DVI monitors

Package Includes:

(1) Gefen 4x1 DVI Switcher

(4) 6 ft. DVI cables

(1) IR Remote Control Unit

(1) 5V DC Power Supply

(1) User Manual

PANEL LAYOUT

Back Panel

1234

56789

Front Panel

PANEL DESCRIPTIONS

1 Source Selection Indicator LEDs (Front Panel)

These LEDs visually conﬁrm the currently selected DVI source.

2 IR Sensor (Front Panel)

Receives IR control signals from the handheld Infrared remote control included

with the DVI Switcher.

3 Source Selector Buttons 1-4 (Front Panel)

When any of these buttons is pressed, it tells the Switcher to display the

corresponding numbered input source on the DVI output.

4 Power Indicator LED (Front Panel)

Indicates when the 4x1 DVI Switcher is correctly operating after receiving 5V DC

power from itsAC power supply (included).

5 5V Power Input Jack (Back Panel)

Supplies power to the 4x1 DVI Switcher from the included external 5V DC

power supply.

6 DVI Source Input Ports 1-4 (Back Panel)

DVI video sources one through four attach to the 4x1 DVI Switcher.

7 DVI Output Port (Back Panel)

This DVI output port is connected to the display device (Monitor, Projector).

8 RS-232 Serial Communications Interface (Back Panel)

Provided for external control of the 4x1 DVI Switcher. Please see the section

below which explains in detail the procedures necessary to send commands to

the Switcher via RS-232 protocols.

9 IR Extender Port (Back Panel)

This jack allows connection of an optional IR extension cable and IR eye, Gefen

Part No. EXT-RMT-EXTIR. The IR Extender allows the 4x1 DVI Switcher to

be located up to 6 feet away from the IR Eye behind furniture or otherwise

concealed in an unobtrusive location with only the IR Eye showing.

CONNECTING AND OPERATING THE 4X1 DVI SWITCHER

How to Connect the 4x1 DVI Switcher to your devices:

1. Connect the supplied DVI cables from the DVI sources into the 4x1 DVI

Switcher’s Inputs.

2. Connect the cable from your display (monitor or projector) into the DVI Out

of the 4x1 DVI Switcher.

3. Connect the included 5V power supply, then plug it into the wall. Turn on the

DVI display or projector ﬁrst, then the video sources. Turn on the 4x1 DVI

Switcher by screwing its 5V DC power supply tip into the receptacle in the

rear of the chassis.

Note: Computers must be turned on one at a time and the switcher must

be selected to the computer that is booting up. This is so that monitor

information (EDID) can be transmitted from the display to each computer.

After one computer completes the startup process, you can boot up the

second computer and repeat the process with the remaining computers.

This can be avoided with the use of the LOCAL EDID mode (page 11)

that will constantly supply each computer with an EDID. In this scenario, a

stored EDID, or user uploaded EDID, is supplied to each input for use by

the connected source device. Then, each computer can boot up in any order

and at anytime, regardless of which computer the switch is selected to.

How to Operate the 4x1 DVI Switcher:

4. Use the RMT-4IR remote control to remotely switch between DVI video

sources.

5. Alternatively, use a RS-232 control system such as a PC with

communications software (for example, Microsoft’s Hyperterminaltm) or an

automated control system such as Crestron.tm

4X1 DVI SWITCHER REMOTE DESCRIPTION

The RMT-4IR remote control will allow the user to select which of 4 DVI sources will

be displayed. Please use the information below when selecting the desired source

for output to a display or other DVI video receiving device.

RMT-4IR Button DVI Source

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