Gefen EXT-HDMI-248-BLK
Contents
1. 8 Fir ETN Distribution Amplifier Model EXT HDMI 248 USER MANUAL ww gefen com HIGH DEFINITION MULTIMEDIA INTERFACE GDTV lt k Blu ray Disc 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 Write To Gefen Inc c o Customer Service 20600 Nordhoff Street 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 2 8 HDMI Distribution Amplifier is a trademark of Gefen Inc 2008 Gefen Inc All Rights Reserved 10 11 12 13 14 TABLE OF CONTENTS Introduction Operation Notes Features Panel Descriptions Connecting and Operating the 2 8 HDMI Distribution Amplifier RMT 2 Installation IR Code Configuration EDID Management Feature EDID Management Modes RS 232 Serial Communication RS 232 Serial Communication Commands Rack Ears Installation Diagram Wiring Diagram Specifications Warranty INTRODUCTION The Gefen 2 8 HDMI Distribution Amplifier is the perfect solution for anyone who needs to send one or two sources of digital high definition video to multiple displays at the same time lt supports HDMI equipment such as DVD players satellite set top boxes and HDMI displays In operation the digital source is co2. Pressing two on the remote will select the HDMI source that is connected to HDMI input port two RJ11 To Serial Control Interface Please see the diagram on page 9 for the RJ11 serial control interface pin configuration RMT2 IR INSTALLATION 1 Remove battery cover from the back of the RMT2 IR remote 2 Verify that dip switches 1 amp 2 are in the down OFF position See page 6 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 RMT2 IR 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 RMT2 IR ships with two batteries One battery is required for operation the second battery is complimentary The optional IR extender allows you to relocate your HDMI Switcher and still retain IR control Gefen part EXT RMT EXTIR IR CODE CONFIGURATION Why would I need to change the remote channel In some instances the 2 8 Distribution Amplifier for HDMI 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
3. EE 19200 TINS EE EE EF EE EE Y TN 8 F VL EE EE None ISO 1 FW GION EEE EE Y RWTH FO RT None RS 232 SERIAL COMMUNICATION COMMANDS Switching Routing Binary Table ASCII RMT2 IR Binary Button 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 8 ASCII EDID Mode 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 6 10 RACK EARS INSTALLATION DIAGRAM Rack mount ears are provided for installation of this unit into a TU rack mount space Locate the side screws on the unit Remove the front 2 screws that are located closest to the front of the unit Using the removed screws screw the rack mounting bracket into the unit Repeat the procedure on the opposite side of the unit EOZ Front of unit Rear of unit 11 WIRING DIAGRAM SN S91VO INdH LX3 10 das IWNGH LX3 8 InoullA uonnjosa dogo ye y GI SI eouejsip WNWIXEL slqeo INAH 12 SPECIFICATIONS Video Amplifier Bre 165 MHz Input Video Signal EE EE ET 1 2 Volts p p In DDOS SONA uuu UF FN NE S nayasa aqa 5 Volts p
4. am experiencing the issues listed above What do I do In these cases it is recommended to change the IR channel that the RMT 2IR remote control and the 2 8 Distribution Amplifier for HDMI use The IR channel is configured independently on the RMT 2IR remote control and the 2 8 Distribution Amplifier for HDMI but the channel selection must match on both units for proper operation How Do I change the Remote Channel There are service DIP switches on the RMT 2IR remote control and also inside the 2 8 Distribution Amplifier for HDMI 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 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 2 8 Distribution Amplifier for HDMI The IR channel DIP switches for the 2 8 Distribution Amplifier for HDMI 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 ad
5. displays are used such as with the 2 8 Distribution Amplifier for HDMI 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 device is accepted by all of the connected output devices displays The user has the option through a combination of DIP switch settings within the 2 8 Distribution Amplifier for HDMI 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 2 8 Distribution Amplifier for HDMI 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 2 8 Distribution Amplifier for HDMI There is an bank of 8 DIP switches located on the main baord inside of the 2 8 Distribution Amplifier for HDMI 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
6. iant Includes 1 2 8 HDMI Distribution Amplifier 1 6 HDMI cable M M 1 24V DC Power Supply 1 RMT2 IR remote 1 Set of Rack Ears 1 Users Manual ADM as PANEL DESCRIPTIONS indu 49MOd OG Ave 1Ndino INGH 1Ndino IWNGH 1Ndino INGH 8 Indino INGH 9 9 r ndino INdH 1Ndino INAH 8 Indino INAH xh 1Ndino INAH zlndul indu INAH INAH 10 9Ipu G37 JeNod k joued yoeg o 3 HI Hod uoisuejxy HI LIES oj jaueg 1UOIJ Jod eues z8z SH OL LL PU J01e21pu aqq Indu CONNECTING THE 2 8 HDMI DISTRIBUTION AMPLIFIER How to Connect the 2 8 HDMI Distribution Amplifier 1 Connect the supplied cable from the HDMI source into the HDMI input port 1 of the 2 8 HDMI Distribution Amplifier 2 Connect a second HDMI source to HDMI input port 2 on the 2 8 HDMI Distribution Amplifier using a user supplied HDMI cable 3 Connect the display s up to eight to the HDMI output port s of the 2 8 HDMI Distribution Amplifier using user supplied cable s 4 Plug the 24V DC power supply into the 2 8 HDMI Distribution Amplifier OPERATING THE 2 8 HDMI DISTRIBUTION AMPLIFIER Switching between the inputs on the 2 8 HDMI Distribution Amplifier is done using either the supplied RMT2 IR remote or the RJ11 to serial interface IR Remote Pressing button one on the remote will select the HDMI source that is connected to HDMI input port one
7. justments are complete replace all screws and 23 6 23 6 Remote Channel 1 Default Remote Channel 2 Remote Channel 3 Remote Channel 4 8 8 6 1 45 1 45 EDID MANAGEMENT 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 2 8 Distribution Amplifier for HDMI The 2 8 Distribution Amplifier for HDMI 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 2 8 Distribution Amplifier for HDMI to provide a single EDID for each source to read What options do I have to manage the EDID in the 2 8 Distribution Amplifier for HDMI 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
8. nnected to the distribution amplifier s input while eight HDMI outputs are available to be used in part or in full Once the unit is connected and powered your source can be distributed up to eight digital displays at the same time How It Works Simply connect your HDMI video source to the 2 8 Distribution Amplifier s input using the supplied HDMI cable Then connect up to eight HDMI displays to the unit s eight HDMI outputs Once connected and powered your source will be seen on all eight displays at the same time When two or more 2 8 s are connected together you can create a larger distribution system OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE 2 8 HDMI DISTRIBUTION AMPLIFIER e This device supports advanced EDID management Please see pages 7 amp 8 for complete details e The 2 8 HDMI Distribution Amplifier can only mirror one input video signal at a time to all eight display outputs The user can choose which of the two HDMI inputs will be displayed on all eight HDMI outputs HDMI HDCP compliant e Compatible with all HDMI and DVI displays NOTE When used with a DVI to HDMI adapter 1 FEATURES Features Switch easily between any two HDMI DVI sources e Outputs are mirrored to eight HDMI DVI displays simultaneously Supports resolutions up to 1080p 2K and 1920 x 1200 e Extends the range of HDMI compliant devices by equalizing and re clocking the HDMI signal HDMIHDCP compl
9. 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 7 EDID MANAGEMENT MODES EDID Modes The diagram below illustrates the 8 DIP switch bank DIP SWITCH Function EDID Mode EDID Mode 2 3 4 5 6 7 8 IR Channel EDID Mode EDID Mode IR Channel 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 Edid is copied from the device connected to the first active hdmi output port e All features newer that HDMI 1 2 are cleared EDID Mode 1 Switch 1 ON Switch2 OFF Switch5 ON 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 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 DEFAULT e EDID is generated based on the common video features of all of the connected devices and the combined audio featu
10. p TTL SIngle LINK RANGE EE RONYN NWN FT EAEEREN 1080p 1920 x 1200 Input Connector Type HDMI Type A 19 Pin Female Output Connector Type HDMI Type A 19 Pin Female Remote Control Port RJ11 Jack For Serial Control Power Consumption a unanuka mwanana 60 Watts max Power Supply pp 24V DC Rack Mountable pp 1U Rack Space DIMENSIONS EEE EEE A Y ME FEN AN UN 17W x 1 75 H x 5 5 D Shipping Weight pp 5 Lbs 13
11. res of all of the connected output devices EDID Mode 7 Switch 1 ON Switch2 ON Switch5 ON e EDID is passed unmodified from the device connected to the first active output port RS 232 SERIAL COMMUNICATION What features are available via the RS 232 serial communications port The 2 8 Distribution Amplifier for HDMI can accept commands through the RS 232 serial communications port located on the rear panel The current RS 232 control features are e Switching routing of inputs to outputs without the RMT 2IR remote control 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 2 8 Distribution Amplifier for HDMI Serial control is done through the RJ 11 port on the front panel A DB 9 to RJ 11 cable is needed Please see the diagram below for the pinout DB 9 to RJ 11 Pin RJ 11 Pin 6 1 a Te Paasen WA _ s Taasi NA 9 Promesa NA What are the communication port settings SEG GF ee EE EE
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