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CONNECTING THE 1:4 DVI DUAL LINK SPLITTER

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How to Connect the 1:4 DVI Dual Link Splitter

Connect the included dual link DVI cable between the DVI source and the 
DVI In connector on the Splitter.

Connect up to four (4) dual link DVI displays to each of the DVI Out 
connectors on the Splitter.

OPTIONAL: To use the RS-232 communication feature, connect an
RS-232 cable between the Splitter and the RS-232 host controller.

Connect the included 5V locking power supply to the power receptacle 
on the 1:4 DVI Dual Link Splitter then connect the AC power cord to an 
available electrical outlet.

Wiring Diagram for the 1:4 DVI Dual Link Splitter

EXT-DVI-144DL

Dual-Link

DVI Source

Dual-Link DVI Splitter

Dual-Link 

DVI Display

Dual-Link 

DVI Display

Dual-Link 

DVI Display

Dual-Link 

DVI Display

DVI CABLE

nk

rce

Du

RS-232 Controller

RS-232 CABLE

ATTENTION: 

This product should always be connected to a grounded 

electrical socket.

Summary of Contents for EXT-DVI-144DL

Page 1: ...1 4 DVI Dual Link Splitter EXT DVI 144DL User Manual www gefen com...

Page 2: ...rdhoff St Chatsworth CA 91311 www gefen com support gefen com Notice Gefen LLC reserves the right to make changes in the hardware packaging and any accompanying documentation without prior written not...

Page 3: ...Descriptions 6 Back Panel Layout 7 Back Panel Descriptions 8 Connecting the 1 4 DVI Dual Link Splitter 8 Wiring Diagram 9 RS 232 Control 10 RS 232 Commands 12 EDID Management 13 Masking Commands 14 Sy...

Page 4: ...The 1 4 DVI Dual Link Splitter distributes a single dual link DVI source on up to four DVI dual link outputs at the same time without losing quality or resolution It works with any dual link DVI supp...

Page 5: ...READ THESE NOTES BEFORE INSTALLING OR OPERATING THE 1 4 DVI DUAL LINK SPLITTER HDCP content is not supported OPERATION NOTES 2...

Page 6: ...utions EDID Management for rapid integration of source and displays Output masking RS 232 for firmware masking and EDID management Standby mode Rack mountable Package Includes 1 1 4 DVI Dual Link Spli...

Page 7: ...4 FRONT PANEL LAYOUT Front Panel 1...

Page 8: ...5 FRONT PANEL DESCRIPTIONS 1 Power This LED indicator will glow bright red when the unit is powered...

Page 9: ...6 BACK PANEL LAYOUT Back Panel 4 2 3 1...

Page 10: ...receptacle 2 DVI In Connect a dual link computer source to the DVI In connector 3 RS 232 Serial Port This port is used for serial communication using an RS 232 control device For details refer to page...

Page 11: ...32 cable between the Splitter and the RS 232 host controller 4 Connect the included 5V locking power supply to the power receptacle on the 1 4 DVI Dual Link Splitter then connect the AC power cord to...

Page 12: ...serial interface Default Serial Port Settings Bits per second 19200 Data bits 8 Parity None Stop bits 1 Flow Control None NOTE Only pins 2 Receive 3 Transmit and 5 Ground are used for communication A...

Page 13: ...mand Description EDIDDETOLO Stores the default EDID into all inputs EDIDDSTOLO Read downstream EDID and stores into all inputs LOEDIDTOLO Loads EDID from serial port and store in any input PRDSEDID Re...

Page 14: ...ed EDID file to a specified local input Syntax LOEDIDTOLO param1 Parameters param1 EDID size 1 2 Value Meaning 1 128 byte EDID 2 256 byte EDID Instructions 1 Launch Windows HyperTerminal or any termin...

Page 15: ...ID command reads the downstream EDID and spools it to the serial port Syntax PRDSEDID param1 Parameters param1 Monitor 1 4 PRLOEDID Function The PRLOEDID command reads the local EDID and spools it to...

Page 16: ...mand The MASKOUT command masks specific outputs preventing video from being displayed Syntax maskout param1 Parameters param1 Output 1 4 Notes Set param1 to 0 to mask all outputs UNMASKOUT Command The...

Page 17: ...f the DVI input channel STANDBY Enables Standby Mode WAKEUP Disables Standby Mode ACTIVEBOLO Command The ACTIVEBOLO command activates the boot loader See page 16 for more information Syntax activebolo...

Page 18: ...t channel Syntax foon Parameters None STANDBY Command The STANDBY command enables Standby Mode In Standby Mode the Splitter will only consume a maximum of 0 5 Watts Syntax standby Parameters None WAKE...

Page 19: ...R key Repeat Step 2 The following will be displayed on the screen Main Menu Download new program 1 Cancel 2 4 Press 1 on the computer keyboard to begin downloading program to the htemporary memory 5 T...

Page 20: ...ount 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...

Page 21: ...p Video Input Connector 1 DVI I 29 pin female digital only Video Output Connectors 4 DVI I 29 pin female digital only RS 232 Connector 1 DB 9 female Power Supply 5V DC locking Power Consumption 20 Wa...

Page 22: ...oof 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 and cables mus...

Page 23: ...Rev A2 Pb This product uses UL listed power supplies 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com support gefen com...

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