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1. o m IR Remote Channel Configuration All DIP switches inside the unit must be in their default OFF position Use the ASCII commands below to change the IR code channel Please ensure that the IR remote channel on the RMT 2IR matches any channel that is set by these commands For a description of the IR code channel configuration please see page 8 W Remote anne 10 SPECIFICATIONS Y deo Amplifier BandWwidth a3 02er 1 65 MHz single Eink Range u 2 ee ee 1080p 1920 x 1200 VEerlicaliFrequeney Range anna 60 Hz DVI Input Output Connector Type ees DVI I 29 pin female digital only Power ConsUmplONs Essen 60 Watts max OWE SUD EE 24VDC DIMONG zn Sera 17 W x 1 6 H x 5 4 D Krier ail flang e 1U Rack Space SHIPPING Le EE 6 Lbs 11 WARRANTY Gefen warrants the equipment it manufactures to be free from defects in material and workmanship If equipment fails because of such defects and Gefen is notified within two 2 years from the date of shipment Gefen will at its option repair or replace the equipment provided that the equipment has not been subjected to mechanical electrical or other abuse or modifications Equipment that fails under conditions other than those covered will be repaired at the current price of parts and labor in effect at the time of repair Such repairs are warranted for ninety 90 days from the day of reshipment to the Buyer This warranty is in lieu of all other warranties expressed o2. EDID MANAGEMENT MODES v 2015d EDID Modes The diagram below illustrates the 8 DIP switch bank DIP SWITCH Function _ IR Channel EDID Mode N A 1 23 4 5 6 7 8 SITE N A Use DIP switches 1 2 5 and 7 to select the desired EDID management mode EDID Mode 0 Switch 1 OFF Switch2 OFF Switch5 ON e Edid is copied from the device connected to the first active hdmi output port All features newer that HDMI 1 2 are cleared EDID Mode 1 Switch 1 ON Switch2 OFF Switch5 ON e Same as Mode 0 and adds basic audio support EDID Mode 2 Switch 1 OFF Switch2 ON Switch5 ON e Same as Mode 0 and adds full audio support EDID Mode 3 Switch 1 ON Switch2 ON Switch5 OFF e EDID is generated based on the common video and audio features of all of the connected output devices EDID Mode 4 Switch 1 OFF Switch2 ON Switch5 OFF e Same as Mode 3 and adds basic audio support EDID Mode 5 Switch 1 ON Switch2 OFF Switch5 OFF e Same as Mode 3 and adds full audio support EDID Mode 6 Switch 1 OFF Switch2 OFF Switch5 OFF EDID is generated based on the common video features of all of the connected devices and the combined audio features of all of the connected output devices EDID Mode 7 Switch 1 ON Switch2 ON Switch5 ON DEFAULT e EDID is passed unmodified from the device connected to the first active Output port RMT 2IR INSTALLATION 1 Remove battery cover from the back of the RMT 2IR remote 2 Verify that DIP switches 1
3. Remote Channel There are service DIP switches on the RMT 2IR remote control and also inside the 2x8 DVI Distribution Amplifier Use the diagrams below to locate and change the IR channel to one that is not the default Remember that the channel must match on both the unit and remote control for successful operation RMT 2IR Remote Control Remove the battery cover on the rear side of the RMT 2IR remote control ra ee to expose the DIP switches 2 DIP switch bank for IR channel configuration Remote Channel 1 Default Remote Channel 2 Remote Channel 3 Remote Channel 4 2x8 DVI Distribution Amplifier The IR channel DIP switches for the 2x8 DVI Distribution Amplifier are located on an 8 bank DIP switch inside of the unit and on its main board To open the unit remove all screws on the underside and side of the unit Remove all HEX screws on the rear panel This includes the screws above each HDMI port and on each side of the RS 232 serial communications port Carefully slide the unit apart Locate DIP switches 3 and 4 Once adjustments are complete replace all screws and 12345678 Remote Channel 4 12343678 8 Remote Channel 1 Default Remote Channel 2 RS 232 SERIAL COMMUNICATION What features are available via the RS 232 serial communications port The 2x8 DVI Distribution Amplifier can accept commands through the RS 232 serial communications port located on the rear panel The current RS 232 cont
4. used to daisy chain an additional 2 8 DVI Distribution Amplifier The 2 8 DVI Distribution Amplifier is expandable to 256 outputs 32 DVI DA s Contents The 2 8 DVI Distribution Amplifier consists of 1 2x8 DVI Distribution Amplifier 1 DVI 6ft Male to Male Cables 1 24VDC Power Supply 1 RMT 2 IR Remote 1 User Manual OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE 2 8 DVI DISTRIBUTION AMPLIFIER SYSTEM e All the monitors connected to the 2 8 DVI Distribution Amplifier must be able to run at the same native resolution The 2 8 DVI Distribution Amplifier does not scale the video e The 2 8 DVI Distribution Amplifier units are housed in a metal box for better RF shielding e You must connect the sources and displays prior to applying power to the unit 2 8 DVI DISTRIBUTION DA FRONT PANEL DESCRIPTION DVI Output RS 232 IR Extender Power DVI Input Input Input Input CONNECTING AND OPERATING THE 2X8 DVI DA How to Connect the 2x8 DVI DA to your devices 1 Connect the supplied cable from the HDTV DVI source into the 2x8 DVI DA input 2 Connect the cables from your displays monitor or projector into the DVI outs of the 2x8 DVI DA 3 Plug the 24VDC power supply into the 1x8 DVI DA How to Control the 2x8 DVI Distribution Amplifier Use the RMT 2IR remote control to toggle between sources Please see page 7 for instal lation and first use instructions EDID MANAGE
5. MENT FEATURE EDID What is it and what is it used for Under normal circumstances an source device digital and analog will require information about a connected device display to assess what resolutions and features are available The source can then cater its output to send only resolutions and features that are compatible with the attached device display This information is called EDID Extended Display Information Data and a source device can only accept and read one EDID from a connected device display Likewise the source an only output one resolution for use by a connected device display Why is EDID so important with the 2x8 DVI Distribution Amplifier The 2x8 DVI Distribution Amplifier is complex piece of technology that replicates and switches between multiple inputs and outputs Each connected source device will require one EDID to read EDID management is carefully handled by 2x8 DVI Distribution Amplifier to provide a single EDID for each source to read What options do I have to manage the EDID in the 2x8 DVI Distribution Amplifier First it is important to note that each source device can only output one video audio signal type This includes resolutions and timings When multiple devices displays are used such as with the 2x8 DVI Distribution Amplifier it is important to use devices displays that have similar or compatible resolutions features This will ensure that the single video audio signal produced by the source d
6. WT Geren ml 2x8 DVI DA EXT DVI 245 USER MANUAL ww gefen com 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 through Friday PST Write To Gefen 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 documentation without prior written notice The 2 8 DVI Distribution Amplifier is a trademark of Gefen Inc Alltrademarks are property of their respective owners 2010 Gefen Inc All Rights Reserved Rev X2 10 11 12 TABLE OF CONTENTS Introduction Operation Notes Panel Descriptions Connecting the 2x8 Distribution Amplifier EDID Management Feature EDID Management Modes RMT 2IR Installation IR Code Configuration RS 232 Serial Communication RS 232 Serial Communication Commands Specifications Warranty INTRODUCTION Congratulations on your purchase of the 2 8 DVI Distribution Amplifier The 2 8 DVI distri bution amplifier is an innovative solution for anyone with more complex computer system requirements like studios and presentation venues where multi viewing is essential The 2 8 DVI distribution amplifier accommodates various system scenarios Most commonly two video sources either DVl equipped comp
7. amp 2 are in the down OFF position please see page 8 3 Insert the battery hold the battery so that you can see the positive side facing up The side that is not marked must be facing down 4 Test the RMT 2IR remote by pressing ONLY one button at a time The indicator light on the remote will flash once each time you press a button WARNING Do not press multiple buttons simultaneously and do NOT press buttons rapidly These actions will cause the remote to reset and steps 1 4 will have to be repeated Note The RMT 2IR ships with two batteries One battery is required for operation the second battery is complimentary Battery Compartment DVI Source Selector Buttons DIP switches 1 amp 2 IR CODE CONFIGURATION Why would I need to change the remote channel In some instances the 2x8 DVI Distribution Amplifier may use IR codes that conflict with other IR remote control devices The unit may switch inputs when another brand IR remote control is used or the RMT 2IR may cause other brand IR controlled devices to behave unexpectedly I am experiencing the issues listed above What do do In these cases it is recommended to change the IR channel that the RMT 2IR remote control and the 2x8 DVI Distribution Amplifier use The IR channel is configured independently on the RMT 2IR remote control and the 2x8 DVI Distribution Amplifier but the channel selection must match on both units for proper operation How Do I change the
8. evice is accepted by all of the connected output devices displays The user has the option through a combination of DIP switch settings within the 2x8 DVI Distribution Amplifier to choose how the unit will manage the EDID from multiple HDMI devices displays Therefore the user has some control over the resolutions features that the source devices will output The 2x8 DVI Distribution Amplifier has a multiple EDID management modes that will control how the EDID information from multiple devices displays are combined ignored and routed How do I change EDID modes in the 2x8 DVI Distribution Amplifier There is an bank of 8 DIP switches located on the main baord inside of the 2x8 DVI Distribution Amplifier DIP switches 1 2 5 and 7 are used in different combinations to manage the EDID modes TIP EDID modes and IR code channels can also be managed via the RS 232 serial communications port For this to work all DIP switches must be in the OFF position This is the factory default setting If you wish to use this feature please do not open the unit See page 9 and 10 for more information on the RS 232 serial communication features To access these DIP switches it will be required to open the unit To do this remove all screws on the underside and side of the unit Remove all HEX screws on the rear panel This includes the screws above each HDMI port and on each side of the RS 232 serial communications port Carefully slide the unit apart
9. r implied including without limitation any implied warranty or merchantability or fitness for any particular purpose all of which are expressly 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 that may be contained in this manual In no event will Gefen be liable for direct indirect special incidental or consequential damages resulting from any defect or omission in this manual even if advised of the possibility of such damages The technical information contained herein regarding the features and specifications is subject to change without notice For the latest warranty coverage information please visit Gefen s Warranty web page at http www gefen com kvm aboutus warranty jsp PRODUCT REGISTRATION Please register your product online by visiting Gefen s web site at http www gefen com kvm Registry Registration jsp 12 Rev X2 248 ma DVI 20600 Nordhoff St Chatsworth CA 91311 1 800 545 6900 818 772 9100 fax 818 772 9120 www gefen com support gefen com ce ZG Ds te
10. rol features are e Switching routing of inputs to outputs without the RMT 2IR remote control e Switch EDID management modes without opening the unit to physically modify DIP switches e Change IR code channel without opening the unit to physically modify DIP switches The IR code channel will still need to be manually modified on the RMT 2IR remote control to match the code channel How do I use these features These features were initially intended for utilization by custom installers in automated setups However these features can be tested by using any Windows PC with the Hyperterminal program What pins are used for communication with the 2x8 DVI Distribution Amplifier Only pins 2 Receive 3 Transmit and 5 Ground are used for communication A null modem adapter should not be used with this product 12345 12345 f A e 6789 6789 Only Pins 2 RX 3 TX and 5 Ground are used on the RS 232 serial interface What are the communication port settings BIS Dor SS CO EE 19200 Ne o E 8 KT dE None TOD UES racers asco dee oc ieee cose ee se 1 FIO WG lte E None RS 232 SERIAL COMMUNICATION COMMANDS Switching Routing Binary Table ASCII RMT 2IR Button 0011 0001 0011 0010 EDID Management Modes All DIP switches inside the unit must be in their default OFF position Use the ASCII commands below to change the EDID modes For a description of each mode please see page 6 ASCII EDID Mode
11. uter DVD player or satellite set top box are connected to the distribution amplifier on one side On the output side eight video outputs are available to be used in part or in full Once the unit is connected and powered each source can be routed to multiple displays All DVI displays are driven by the two DVI sources with each source or computer capable of driving eight displays at one time For home theater applications the unit is HDCP high definition content protection compliant making it effective for use with all DVI displays How it works Gefen s 2 8 DVI distribution amplifier is an expandable distribution hub that sends the same DVI graphics source to eight DVI based digital screens flat panels or projectors It is a flexible solution that accommodates multiple DVI displays You can switch from source one and two via the RMT 2IR remote control as well as switching using the RS 232 serial communications port located on the rear panel The Gefen 2 8 DVI distribution amplifier is connected with a DVI male to male cable from the DVI graphic source to the distribution amplifier inout There are eight DVI outputs in each module DVI output one is the primary connection and is used for the main display DVI output 2 thru 8 follow the main display The 2 8 DVI distribution amplifiers is using a unique DVI Bus technology to connect multiple amplifiers without sacrificing a DVI output connection The ninth output is an expansion output
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