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PANEL DESCRIPTIONS

External IR Port

For connection of external IR extension device such as the Gefen IR Extender 
(part # EXT-RMT-EXTIR).

2 IR 

Receiver

Receives IR signal from the handheld Infrared remote control unit included with 
the product.

DVI Signal Status LEDs 1-4

Provide visual con

fi

 rmation of the currently selected DVI input signal out of the 

four DVI input ports.

DVI Input Selector

Push-button switch cycles the next DVI input 1-4 in a forward sequence starting 
again at 1.

Power Indicator LED

Indicates when the 4x1 DVI DL Switcher is receiving 5V DC power from its 
included AC power supply.

5V Locking Power Receptacle

Supplies power to the 4x1 DVI DL Switcher from the included external 5V DC 
power supply. The 5V power supply has a locking power tip which screws into 
this receptacle.

DVI Input Ports 1-4

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

Summary of Contents for EXT-DVI-441DL

Page 1: ... 4x1 DVI DL Switcher EXT DVI 441DL User Manual www gefen com ...

Page 2: ... 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 hardware packaging and any accompanying documentation without prior written notice 4x1 DVI DL Switcher is a trademark of Gefen LLC 2011 Gefen LLC All rights reserved All trademarks are the property of their respective companies Rev A10 ...

Page 3: ...I DL Switcher 7 RMT 4IR Remote Control Description 8 4x1 DVI DL Switcher Remote Installation 9 4x1 Remote and Switcher Configuration 10 EDID Modes 12 DL Dual Link Only Modes 13 RS 232 Serial Control 14 RS 232 Serial Control Commands 14 EDID Management 20 Routing Commands 22 Rack Mount Installation 23 Specifications 24 Warranty ...

Page 4: ... need to purchase many displays for each DVI source in a studio or lab situation A plug and play solution the 4x1 DVI DL Switcher shares one dual link 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 outp...

Page 5: ...ink 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 The 4x1 DVI DL Switcher is housed in a metal box for better RF shielding By default the EDID of the attached display is copied to all the local inputs Make sure that the display is connected to the switcher before applying power ...

Page 6: ...display compatibility Extends the range of the video signal on the DVI outputs up to 50 feet Discrete IR remote control included Serial RS 232 port for switching input sources via automated control or PC Supports DDWG standards for DVI monitors Rack ears included Package Includes 1 4x1 DVI DL Switcher 4 6 ft Dual Link DVI cables M M 1 5V DC Power Supply 1 User s Manual 1 IR remote control 1 Set of...

Page 7: ...4 PANEL LAYOUT Back Panel Front Panel 6 8 9 7 5 4 2 1 3 ...

Page 8: ...1 4 in a forward sequence starting again at 1 5 Power Indicator LED Indicates when the 4x1 DVI DL Switcher is receiving 5V DC power from its included AC power supply 6 5V Locking Power Receptacle Supplies power to the 4x1 DVI DL Switcher from the included external 5V DC power supply The 5V power supply has a locking power tip which screws into this receptacle 7 DVI Input Ports 1 4 DVI video source...

Page 9: ...lity information called EDID from the display and feeds it to all connected input sources This mode of operation is called LOCAL EDID mode It allows a much faster setup time and improved operational stability since input sources do not need to individually collect and store EDID on their own If some sources do not display correctly you can individually configure each input source and or program cu...

Page 10: ... 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 1 1 2 2 3 3 4 4 LED Indicator ...

Page 11: ...rtment 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 IR Code Dip Switches Empty Battery Slot ...

Page 12: ...1 DVI DL 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 4IR directly correspond to DIP Switches 1 and 2 on the 4x1 DVI DL Switcher Only switches 1 and 2 of 4 in tha...

Page 13: ...rces might not occur correctly or at all Managing EDID with the 4x1 DVI DL Switcher The 4x1 DVI DL Switcher uses 2 modes for routing EDID They are 1 When the local EDID Mode is ON factory default setting the Switcher copies the EDID of the connected display to the local memory location as they are selected Each device must fully boot up before you can select the next input The connected device der...

Page 14: ...ocations can be overwritten with another EDID from the following locations Built in EDID memory bank up to 7 EDID records can be stored EDID collected directly from the input display upon power up 2 Local EDID Mode OFF Switch 3 ON The DDC signal of the connected display is routed directly to each input source Each time a new source device is selected EDID is transmitted from the attached display t...

Page 15: ... SWITCH Function DIP SWITCH Function 1 Input 1 Mode 5 N A 2 Input 2 Mode 6 N A 3 Input 3 Mode 7 N A 4 Input 4 Mode 8 N A DL Dual Link and SL Single Link Mode Switch OFF DEFAULT This setting can be set individually for each input This mode will allow the connection of both Dual Link and Single Link displays DL Dual Link Only Mode Switch ON This setting can be set individually for each input This mo...

Page 16: ...utilization by custom installers in automated setups However these features can be tested by using any Windows PC with a terminal emulation program The next few pages will show you how What pins are used for communication with the 4x1 DVI DL Switcher Only pins 2 Receive 3 Transmit and 5 Ground are used for communication A null modem adapter should not be used with this Switcher 5 4 3 2 1 9 8 7 6 1...

Page 17: ...ve EDID Management Function Description EDIDDSTOLO Read downstream EDID and stores into all inputs EDIDDSTOBA Read downstream EDID and stores in EDID Bank EDIDBATOLO Read from EDID bank and store into all local inputs DDCTODS Route input DDC to downstream EDID pass through mode DDCTOLO Routes input DDC to local EDID DEF Sets unit to default factory settings LOEDIDTOBA Load EDID from serial port an...

Page 18: ... Parameters None EDIDDSTOBA Function The EDIDDSTOBA function reads the downstream EDID and stores it to a specified EDID bank Syntax EDIDDSTOBA param1 Parameters param1 EDID bank offset 1 7 EDIDBATOLO Function The EDIDBATOLO function reads an EDID from an EDID bank and stores it in all inputs Syntax EDIDBATOLO param1 Parameters param1 EDID bank offset 1 7 ...

Page 19: ... DDC to the downstream EDID pass through mode Syntax DDCTODS Parameters None DDCTOLO Function The DDCTOLO function routes the input DDC to the local EDID Syntax DDCTOLO Parameters None DEF Function The DEF function set the Switcher to the factory default settings Syntax DEF Parameters None ...

Page 20: ...oads the specified EDID file and stores it in a specified EDID bank Syntax LOEDIDTOBA param1 param2 param3 Parameters param1 Echo mode 0 1 Value Meaning 0 Semi echo mode 1 Full echo mode param2 EDID size 1 2 Value Meaning 1 128 byte EDID 2 256 byte EDID param3 EDID bank offset 1 7 ...

Page 21: ... param1 Echo mode 0 1 Value Meaning 0 Semi echo mode 1 Full echo mode param2 EDID size 1 2 Value Meaning 1 128 byte EDID 2 256 byte EDID PRBAEDID Function The PRBAEDID function reads the EDID file from the specified bank and sends it to the serial port Syntax PRBAEDID param1 param2 Parameters param1 EDID bank offset 1 7 param2 File type 0 1 Value Meaning 0 BIN file 1 TXT file ...

Page 22: ... sends it to the serial port Syntax PRDSEDID param1 Parameters param1 File type 0 1 Value Meaning 0 BIN file 1 TXT file PRLOEDID Function The PRLOEDID function reads the local EDID and spools it to the serial port Syntax PRLOEDID param1 Parameters param1 File type 0 1 Value Meaning 0 BIN file 1 TXT file ...

Page 23: ...r The commands are not case sensitive Command Description P Displays the function menu 1 Switch to Input 1 2 Switch to Input 2 3 Switch to Input 3 4 Switch to Input 4 The ASCII character table below indicates which Switcher input will be routed to the output Display when the corresponding ASCII numeric character is typed ASCII Input Binary 1 1 0011 0001 2 2 0011 0010 3 3 0011 0011 4 4 0011 0100 ...

Page 24: ...s Setting ASCII Setup Also please be sure to unmark the check box that says Send line ends with line feeds 2 2 EXAMPLE CHANGE THE ROUTED SOURCE Now you are ready to route Display input sources At the Hyperterminal cursor prompt type the numeral key of the input to switch to followed by the ENTER key Wait until you see the message Function Done on the Display At this point the Display should show t...

Page 25: ...tion 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 2 3 4 ...

Page 26: ...DDC Signal 5 Volts p p TTL Single Link Max Resolution 1920 x 1200 Dual Link Max Resolution 3840 x 2400 DVI Connector DVI I 29 pin female digital only Power Supply 5V DC Power Consumption 5 Watts min 25 Watts max Dimensions 17 1 W x 1 8 H x 4 4 D Rackmountable 1U Rack Space Shipping Weight 12 lbs ...

Page 27: ...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 and cables must be in their original condition The information in this manual has been carefully checked and is believed to be accurate However Gefen assumes no responsibility for any inaccuracies that may be c...

Page 28: ...25 NOTES ...

Page 29: ...26 NOTES ...

Page 30: ...NOTES ...

Page 31: ...20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com support gefen com Rev A10 Pb This product uses UL listed power supplies ...

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