Gefen Switch EXT DVI 841DL User Manual

8x1 DVI DL/SL  
Switcher  
EXT-DVI-841DL  
User Manual  
 
CONTENTS  
1
2
3
4
5
6
7
8
9
Introduction  
Operation Notes  
Features / Package Includes  
Panel Descriptions  
Panel Descriptions, Continued  
Connecting and Operating the 8x1 DVI DL/SL Switcher  
RMT-8IR Remote Description  
RMT-8IR Remote Installation  
IR Remote Control and 8x1 Switcher Conguration  
10 RS-232 Serial Communication Interface  
11 Rack Mount Installation  
12 Specications  
13 Warranty  
 
INTRODUCTION  
Congratulations on your purchase of the 8x1 DVI DL/SL 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 8x1 DVI DL/SL Switcher  
The rack-mountable Gefen 8x1 single-link/dual-link DVI Switcher offers an  
economical solution by eliminating the need to purchase many displays for each  
computer in a studio or lab situation. A plug-and-play solution, the 8x1 DVI DL/  
SL Switcher shares one dual-link display with up to eight 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 eight 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-8IR remote control, RS-232 control, or the input selector push button on the  
front panel of the switcher.  
1
 
OPERATION NOTES  
READ THESE NOTES BEFORE INSTALLING OR  
OPERATING THE GEFEN 8X1 DVI DL/SL SWITCHER  
The 8x1 DVI DL/SL Switcher will take any of up to eight (8) DVI dual-link or  
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  
3840x2400.  
2
 
FEATURES  
Features  
Switches easily between any eight DVI-SL or DVI-DL sources  
Maintains highest resolution dual link DVI  
Supports resolutions up through 3840x2400  
Extends the range of DVI video up to 50 feet  
Discrete IR remote control included  
Serial RS-232 remote port for switching via automated control or PC  
Supports DDWG standards for DVI monitors  
Rack ears included  
Package Includes  
(1) 8x1 DVI DL/SL Switcher  
(1) RMT-8IR Remote Control  
(1) 5V DC Power Supply  
(8) 6-foot Dual Link DVI cables  
(1) Set of rack ears  
(1) User’s Manual  
3
 
PANEL LAYOUT  
Front Panel  
1
2
3
4 5  
Back Panel  
9
6
7
8
4
 
PANEL DESCRIPTIONS  
1
2
3
4
5
6
External IR Port  
For connection of external IR extension device such as the Gefen IR Extender  
(part # EXT-RMT-EXTIR).  
IR Receiver  
Receives IR signal from the handheld Infrared remote control unit included with  
the product.  
DVI Signal Status LEDs 1-8  
Provide visual conrmation of the currently selected DVI input signal out of the  
eight DVI input ports.  
DVI Input Selector  
Push-button switch cycles the next DVI input 1-8 in a forward sequence starting  
again at 1.  
Power Indicator LED  
Indicates when the 8x1 DVI DL/SL Switcher is receiving 5V DC power from its  
included AC power supply.  
5V Locking Power Receptacle  
Supplies power to the 8x1 DVI DL/SL Switcher from the included external 5V  
DC power supply. The 5V power supply has a locking power tip which screws  
into this receptacle.  
7
8
9
DVI Input Ports 1-8  
DVI video sources one through eight attach to the 8x1 DVI DL/SL Switcher.  
DVI Output Port  
This DVI output port is connected to the display device (Monitor, Projector).  
RS-232 Serial Communications Interface  
Provided for external control of the 8x1 DVI DL/SL Switcher.  
5
 
CONNECTING AND OPERATING THE 8X1 DVI DL/SL  
How to Connect the 8x1 DVI DL/SL Switcher to your devices:  
1. Connect the supplied DVI cables from the DVI sources into the 8x1 DVI  
Switcher’s Inputs.  
2. Connect the cable from your display (monitor or projector) into the DVI Out  
of the 8x1 DVI DL/SL Switcher.  
3. Connect the included 5V power supply, then plug it into the wall.  
How to Operate the 8x1 DVI DL/SL Switcher:  
1. Turn on the DVI display or projector rst, then the video sources.  
2. Turn on the 8x1 DVI DL/SL Switcher by screwing its 5V DC power supply tip  
into the receptacle in the rear of the chassis.  
3. Use the RMT-8IR remote control to remotely switch between DVI video  
sources.  
4. Alternatively, use a RS-232 control system.  
6
 
8X1 DVI DL/SL REMOTE DESCRIPTION  
LED Indicator  
Input Selection  
Buttons  
The RMT-8IR remote control will allow the user to select which of 8 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-8IR Button  
DVI Source  
1
2
3
4
1
2
3
4
5
6
7
8
5
6
7
8
7
 
8X1 DVI DL/SL REMOTE INSTALLATION  
To use the RMT-8IR remote, remove the battery cover on the back of the remote to  
reveal the battery compartment. Insert the included battery into the open battery slot.  
The positive (+) side should be facing up. Ensure that both DIP (Dual Inline Package)  
switches are in the OFF position. Replace the battery cover. The remote ships with 2  
batteries. One battery is needed for operation and the other battery is complimentary.  
Empty Battery Slot  
IR Code Dip Switches  
8
 
RMT-8IR REMOTE AND 8X1 SWITCHER CONFIGURATION  
How to Resolve IR Code Conicts  
In the event that IR commands from other remote controls conict with the  
supplied RMT-8IR remote control, changing the remote channel will alleviate this  
issue. The RMT-8IR remote control and the 8x1 DVI DL/SL Switcher both have  
banks of DIP (Dual Inline Package) Switches for conguring the remote channel  
that both units use to communicate. These settings must exactly match each  
other for proper operation.  
The DIP Switch bank on the RMT-8IR is located underneath the battery cover.  
DIP Switch banks for the 8x1 DVI DL/SL Switcher are located on the underside of  
the unit beneath a black piece of metallic tape. One DIP switch bank (4-switch)  
is for the adjustment of remote control frequencies and switch behavior. The  
other DIP switch (8-switch) is reserved for Gefen use only. DIP Switches 1 and  
2 on the RMT-8IR directly correspond to DIP Switches 1 and 2 on the 8x1 DVI  
DL/SL Switcher. Only switches 1 and 2 (of 4 in that bank) are used for IR Code  
settings.  
Remote Channel 1:  
Default  
Remote Channel 2:  
1
2
1
2
2
Remote Channel 3:  
Remote Channel 4:  
1
2
1
Left: Picture of the opened rear battery  
compartment of the RMT8-IR remote showing  
the exposed DIP Switch bank between the  
battery chambers.  
8x1 DVI DL/SL Switcher  
Remote Channel 1:  
Default  
Remote Channel 2:  
1 2 3 4  
1 2 3 4  
1 2 3 4  
1 2 3 4  
Remote Channel 3:  
Remote Channel 4:  
9
 
RS-232 SERIAL CONTROL INTERFACE  
1 2 3 4 5  
1 2 3 4 5  
6 7 8 9  
6 7 8 9  
Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface  
Binary Table  
ASCII Corresponding  
RMT8-IR  
Binary  
Button  
1
2
3
4
5
6
7
8
1
2
3
4
5
6
7
8
0011 0001  
0011 0010  
0011 0011  
0011 0100  
0011 0101  
0011 0110  
0011 0111  
0011 1000  
RS232 Settings  
Bits per second ................................................................................................. 19200  
Data bits .................................................................................................................... 8  
Parity .................................................................................................................. None  
Stop bits .....................................................................................................................1  
Flow Control ....................................................................................................... None  
10  
 
RACK MOUNT INSTALLATION  
Rack mount ears are provided for installation of this unit into a 1U rack mount  
space.  
1. Locate the side screws on the unit.  
2. Remove the front 2 screws that are located closest to the front of the unit.  
3. Using the removed screws, screw the rack mounting bracket into the unit.  
4. Repeat the procedure on the opposite side of the unit.  
1
Front of unit  
Rear of unit  
2
3
4
11  
 
SPECIFICATIONS  
Video Amplier Bandwidth:..................................................................165 MHz x 2  
Input Video Signal:...............................................................................1.2 Volts p-p  
Input DDC Signal:..........................................................................5 Volts p-p (TTL)  
Single Link Range:...............................................................................1920 x 1200  
Dual Link Range :................................................................................ 3840 x 2400  
DVI Connector:.................................................... DVI-I 29-pin female (digital only)  
Power Supply:...............................................................................................5V DC  
Power Consumption:........................................................................20 Watts (max)  
Dimensions:...................................................................17” W x 1.75” H x 4.375” D  
Rackmountable:..............................................................................1U Rack Space  
Shipping Weight:...........................................................................................12 lbs.  
12  
 

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