Gefen EXT-DVI-841 User Manual Download Page 14

11

EDID NOTES, CONT’D

EDID Modes

The diagram below illustrates the DIP switch bank (of 4). The 8 DIP switch bank 
functions are outlined later on this page.

DIP SWITCH

Function

1

IR Channel

2

IR Channel

3

EDID Mode

4

N/A

Use DIP switch 3 to set the desired EDID mode.

LOCAL EDID Mode (Switch 3=OFF) DEFAULT

• 

EDID that is stored in the LOCAL memory location is passed to all inputs.

• 

By default, during each power-on process the connected display’s 
EDID will be automatically copied to each of the inputs’ LOCAL EDID 
locations.*

• 

The EDID stored in the LOCAL locations can be overwritten with another 
EDID from the following locations (These options can only be initiated by 
using RS-232 serial communication commands) :

• 

Built-in EDID memory bank (up to 7 EDID records can be stored)

• 

EDID collected directly from the input display*

• 

Externally uploaded via the RS-232 command set

*For the default EDID writing process to be successful the connected display 
must be powered on.

DS (Down Stream) EDID Mode (Switch 3=ON) 

• 

EDID is passed directly from the connected display to the currently active 
input.

1 2 3 4

Summary of Contents for EXT-DVI-841

Page 1: ...www gefen com 8x1 DVI Switcher EXT DVI 841 User s Manual...

Page 2: ...Inc c o Customer Service 20600 Nordhoff St Chatsworth CA 91311 www gefen com support gefen com Notice Gefen Inc reserves the right to make changes in the hardware packaging and any accompanying docume...

Page 3: ...n 8 RMT 8IR Remote Installation 9 IR Remote Control and 8x1 Switcher Configuration 10 EDID Notes 11 EDID Notes Continued 12 RS 232 Serial Control Interface 13 RS 232 Serial Control Commands 14 RS 232...

Page 4: ...the need to purchase many displays for each DVI source in a studio or lab situation A plug and play solution the 8x1 DVI Switcher shares one DVI display with up to eight computers or other DVI video...

Page 5: ...h as a display monitor or projector Resolutions can be up to 1920x1200 The 8x1 DVI Switcher is housed in a metal box for better RF shielding Computers must be turned on one at a time and during this p...

Page 6: ...t 1920x1200 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 D...

Page 7: ...4 PANEL LAYOUT Back Panel Front Panel 5 7 8 4 2 1 3 6...

Page 8: ...er Indicator LED Indicates when the 8x1 DVI Switcher is receiving 5V DC power from its included AC power supply 5 5V Locking Power Receptacle Supplies power to the 8x1 DVI Switcher from the included e...

Page 9: ...so that monitor information EDID is correctly 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...

Page 10: ...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 v...

Page 11: ...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 rem...

Page 12: ...8x1 DVI 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 Th...

Page 13: ...ay of input sources might not happen correctly or at all Managing EDID with the 8x1 DVI Switcher The 8x1 DVISwitcher has the ability to use 2 modes for routing EDID 1 The default mode is the LOCAL mod...

Page 14: ...ID will be automatically copied to each of the inputs LOCAL EDID locations The EDID stored in the LOCAL locations can be overwritten with another EDID from the following locations These options can on...

Page 15: ...EDID data to the EDID memory bank or directly to the LOCAL EDID location How do I use these features These features were initially intended for utilization by custom installers in automated setups How...

Page 16: ...serial port commands 2 1 MODIFY BY SHORT CUT CHARACTER Switching command The character below indicates which input will route to the output ASCII Input Binary 1 1 0011 0001 2 2 0011 0010 3 3 0011 0011...

Page 17: ...ores it in all Inputs local EDID memory banks EDIDBATOLO_param1 r Parameter Name Value 1 EDID bank offset 1 7 Route Input DDC to DS EDID This function routes Input s DDC to DS EDID pass through mode D...

Page 18: ...emory bank LOEDIDTOLO_param1_param2 r Parameter Name Value 1 Semi echo mode 0 Full echo mode 1 2 EDID bin file 128 bytes 1 EDID bin file 256 bytes 2 Load EDID to EDID bank This function loads EDID thr...

Page 19: ...HYPER TERMINAL 3 1 HYPER TERMINAL SETTING File Properties Setting ASCII Setup Unmark the check box of Send line ends with Line feeds 3 2 SEND THE FILE Transfer Send text file Change Files of type to...

Page 20: ...ion 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...

Page 21: ...ignal 1 2 Volts p p Input DDC Signal 5 Volts p p TTL Single Link Range 1920 x 1200 DVI Connector DVI I 29 pin female digital only Power Supply 5V DC Power Consumption 20 Watts max Dimensions 17 W x 1...

Page 22: ...disclaimed 1 Proof of sale may be required in order to claim warranty 2 Customers outside the US are responsible for shipping charges to and from Gefen 3 Copper cables are limited to a 30 day warranty...

Page 23: ...20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com support gefen com Rev X5 ma DVI 841...

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