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®
1:4 DVI Dual Link
Splitter
EXT-DVI-144DL
User Manual
www.gefen.com
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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. Write To: Gefen, LLC c/o Customer Service 20600 Nordhoff St Chatsworth, CA 91311 www.gefen.com support@gefen.com Notice Gefen, LLC reserves the right to make changes in the hard ware, packaging, and any accompanying doc u men ta tion without prior written notice. 1:4 DVI Dual Link Splitter is a trademark of Gefen LLC © 2011
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CONTENTS 1 Introduction 2 Operation Notes 3 Features 4 Front Panel Layout 5 Front Panel 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 System Commands 16 Firmware Update 17 Rack Ear Installation 18 Specifi cations 19 Warranty
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INTRODUCTION Congratulations on your purchase of the 1:4 DVI Dual Link Splitter. Your complete satisfaction is very important to us. Gefen Gefen delivers innovative and 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
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OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE 1:4 DVI DUAL LINK SPLITTER • HDCP content is not supported. 2
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FEATURES Features • Distributes one dual link source to four DVI dual link outputs • Supports up to 1080p, 2K, and 2560 x 1600 resolutions • EDID Management for rapid integration of source and displays • Output masking • RS-232 for fi rmware, masking, and EDID management • Standby mode • Rack-mountable Package Includes (1) 1:4 DVI Dual Link Splitter (1) 6ft. DB9 Cable (M-F) (1) 6ft. Dual Link DVI cable (M - M) (1) 5V / 4A DC Locking Power Supply (EXT-PS54AULP) (1) Set of Rack Ears (1) Manual 3
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FRONT PANEL LAYOUT 4 Front Panel 1
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FRONT PANEL DESCRIPTIONS 1 Power This LED indicator will glow bright red when the unit is powered. 5
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BACK PANEL LAYOUT 6 Back Panel 1 2 3 4
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BACK PANEL DESCRIPTIONS 1 5V DC Connect the included 5V DC locking power supply to this 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 9 4 Out (1 - 4) Connect up to four (4) dual link DVI displays to each of the DVI Out connectors. 7
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CONNECTING THE 1:4 DVI DUAL LINK SPLITTER How to Connect the 1:4 DVI Dual Link Splitter 1 Connect the included dual link DVI cable between the DVI source and the DVI In connector on the Splitter. 2 Connect up to four (4) dual link DVI displays to each of the DVI Out connectors on the Splitter. 3 OPTIONAL: To use the RS-232 communication feature, connect an RS-232 cable between the Splitter and the RS-232 host controller. 4 Connect the included 5V locking power supply to the power receptacle o
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RS-232 CONTROL Only pins 2 (Receive), 3 (Transmit), and 5 (Ground) are used for communication. 54321 12345 9876 6789 Only Pins 2 (RX), 3 (TX), and 5 (Ground) are used on the RS-232 serial interface Default Serial Port Settings Bits per second ............................................................................................ 19200 Data bits ............................................................................................................... 8 Parity ........................
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RS-232 COMMANDS Command Syntax Each command uses the following syntax: #Command_Name [Space] Parameter 1 [Space] Parameter n [CR] Sample: #FunctionName_param1_param2_param3_param4...\r Syntax is NOT case sensitive. EDID Management Command 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 Reads downstream EDID and sends it to serial port #PRLOEDID Read
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RS-232 COMMANDS #EDIDDSTOLO Command The #EDIDDSTOLO command reads the downstream EDID and stores into all local inputs. Syntax: #ediddstolo Parameters: None #LOEDIDTOLO Function The #LOEDIDTOLO function loads the specifi ed EDID fi le to a specifi ed 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 terminal emulation program). 2. Click Transfer > Send Text File... 3
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RS-232 COMMANDS #PRDSEDID Function The #PRDSEDID 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 the serial port. Syntax: #PRLOEDID Parameters: None 12
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RS-232 COMMANDS Masking Commands Command Description #MASKOUT Masks the specifi ed output #UNMASKOUT Unmasks the specifi ed output #MASKOUT Command The #MASKOUT command masks specifi c 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 #UNMASKOUT command unmasks specifi c outputs. Syntax: #unmaskout param1 Parameters: param1 Output [1 - 4] Notes: Set param1 to 0 to unma
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RS-232 COMMANDS System Commands Command Description #ACTIVEBOLO Activates the boot loader #FOOFF Disables the +5V of the DVI input channel #FOON Enables the +5V of 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 Parameters: None Notes: This command must be executed twice. #FOOFF Command The #FOOFF command disables the +5V of the DVI inpu
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RS-232 COMMANDS #FOON Command The #FOON command enables the +5V of the DVI input 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 #WAKEUP Command The #WAKEUP command disables Standby Mode. Syntax: #foon Parameters: None 15
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FIRMWARE UPDATE Firmware Update Procedure Any terminal emulation program can be used to perform the upgrade process. The instructions below is outlined for Windows® HyperTerminal. 1. Connect an RS-232 cable between the Splitter and the computer running the terminal program. Verify the correct serial port settings (see page 9). 2. Type the #activebolo command then press the [ENTER] key. Repeat Step 2. The following will be displayed on the screen: ================== Main Menu =================
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RACK EAR INSTALLATION Installing the Rack Ears 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. Front of unit Rear of unit 17
