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17

RS-232 SERIAL CONTROL COMMANDS

#LOEDIDTOBA Function

The #LOEDIDTOBA function loads 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]

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Summary of Contents for EXT-DVIKVM-441DL

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

Page 2: ......

Page 3: ...stomer 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 documentation without prior written notice 4x1 DVI KVM DL SL Switcher is a trademark of Gefen Inc 2009 Gefen Inc All Rights Reserved All trademarks are the property of their respective companies Rev A7 ...

Page 4: ...witcher 7 RMT 4IR Remote Control Description 8 4x1 DVI KVM DL SL Switcher Remote Installation 9 RMT 4IR Remote and 4x1 KVM 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 5: ...th Macintosh and IBM PC computers the 4x1 DVI KVM DL SL Switcher shares one DVI display with up to four computers or other DVI video sources A single USB 2 0 port keyboard mouse ports and an analog audio jack are also switched The switcher saves space on your desktop by eliminating a crowded workspace full of DVI monitors keyboards mice and USB and audio cables Switching of DVI sources is easy and...

Page 6: ...e 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 The 4x1 DVI KVM DL SL 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 7: ...to 1920 x 1200 WUXGA Advanced EDID Management Switching is controlled via included IR remote RS 232 commands or Front panel buttons Saves space on your desktop Supports DDWG standards for DVI monitors Locking Power Supply Rack mountable Package Includes 1 4x1 DVI KVM DL SL Switcher 4 6 ft Dual Link DVI cables 4 6 ft USB cables 4 6 ft 3 5mm jack analog audio cables 1 IR Remote Control Unit 1 5V DC ...

Page 8: ...4 Back Panel PANEL LAYOUT Front Panel 4 5 2 1 11 13 7 10 3 12 6 8 9 ...

Page 9: ...the switcher here 7 3 5mm Analog Audio Output This audio output port connects to an external amplified audio device The selected audio input will be output through this port 8 USB Type B Ports 1 4 USB devices usually computers one through four connect to the switcher here 9 USB Type A Control Ports 1 2 The keyboard mouse for controlling the selected remote computer or device connects to the switch...

Page 10: ...to the DVI output of the 4x1 DVI KVM DL SL Switcher using a user supplied DVI cable 4 Turn on the DVI display or projector first then the DVI video sources computers 5 Connect the 5V DC power supply to the Switcher by by screwing its 5V DC power supply tip into the receptacle in the rear of the unit then plug it into the wall Wiring Diagram for the 4x1 DVI KVM DL SL Switcher EXT DVIKVM 441DL Compu...

Page 11: ...or Input Selection Buttons The RMT 4IR remote control will allow the user to choose which of the 4 DVI sources or computers will be selected Please use the information below when selecting the desired source RMT 4IR Button DVI Source 1 1 2 2 3 3 4 4 ...

Page 12: ...mpartment 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 13: ... 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 DL Only mode page 12 Switches 1 and 2 on the RMT 4IR directly correspond to DIP Switches 1 and 2 on the 4x1 DVI KVM DL SL Switcher Only switches 1 and 2 of 4...

Page 14: ...might not occur correctly or at all Managing EDID with the 4x1 DVI KVM DL SL Switcher The 4x1 DVI KVM DL SL 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 d...

Page 15: ... 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 to the cu...

Page 16: ...lays in the default mode DIP 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 individ...

Page 17: ... setups However these features can be tested by using any Windows PC with a terminal emulation program such as Putty The next few pages will show you how What pins are used for communication with the 4x1 DVI KVM DL SL 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 2 3 4 5 6 7 8 9 Only Pi...

Page 18: ...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 19: ... 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 20: ... 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 21: ...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 22: ... 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 23: ... 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 24: ...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 25: ... Properties 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 sho...

Page 26: ...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 Rear of unit Front of unit RACK MOUNT INSTALLATION ...

Page 27: ...C 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 12 5 Watts min 22 5 Watts max Dimensions 17 1 W x 1 8 H x 4 4 D Rackmountable 1U Rack Space Shipping Weight 12 lbs ...

Page 28: ... 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 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 t...

Page 29: ...l n NOTES ...

Page 30: ...26 NOTES ...

Page 31: ...27 NOTES ...

Page 32: ...Rev A7 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com support gefen com Pb This product uses UL listed power supplies ...

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