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Gefen EXT-HDMI-844 - page 1
www.gefen.com f 8x4 Matrix for EXT-HDMI-844 User Manual ® ...
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Gefen EXT-HDMI-844 - page 2
ASKING FOR ASSIST ANCE Rev A2 T echnical Support : T elephone (818) 772-9100 (800) 545-6900 Fax (818) 772-9120 T echnical Support Hours: 8:00 AM to 5:00 PM Monday thru Friday Paci fi c Time Write T o: Gefen Inc. c/o Customer Service 20600 Nordhoff St Chatsworth, CA 9131 1 www .gefen.com support@gefen.com Notice Gefen Inc. reserves the right to mak ...
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Gefen EXT-HDMI-844 - page 3
CONTENTS 1 Introduction 2 Operation Notes 3 Features 4 Panel Layout 5 Panel Descriptions 6 Connecting And Operating The 8X4 Matrix For HDMI 7 LED Array 8 RMT -16IR Remote Description 9 IR Code Con fi guration 10 EDID Management Feature 1 1 EDID Management Modes 12 RS-232 Serial Communications 13 RS-232 Serial Communications Commands 14 Speci fi c ...
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Gefen EXT-HDMI-844 - page 4
1 Congratulations on your purchase of the 8x4 Matrix for HDMI. Y our complete satisfaction is very important to us. Gefen Gefen delivers innovative, 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 ...
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Gefen EXT-HDMI-844 - page 5
READ THESE NOTES BEFORE INST ALLING OR OPERA TING THE 8X4 MA TRIX FOR HDMI • Important Note: The 8x4 Matrix for HDMI incorporates a 2x1 switch in front of each input on a traditional 4x4 matrix. This allows for the connection of up to 8 different HDMI source devices with a maximum of 4 sources available for viewable at any one time. Each of the 4 ...
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Gefen EXT-HDMI-844 - page 6
3 Features • Switches any eight HDMI™ sources to 4 Displays • Distributes any of the four switched inputs (total of eight inputs) to any combination of the four HDMI™ output displays • Maintains high resolution video - beautiful, sharp HDTV resolutions up to 1080p, 2k, and computer resolutions up to 1920 x 1200 are easily achieved • Ser ...
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Gefen EXT-HDMI-844 - page 7
4 Front Panel Back Panel 10 1 6 7 8 9 2 3 4 5 11 P ANEL LA YOUT ...
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Gefen EXT-HDMI-844 - page 8
5 1 Selected Input LED Indicator Each of the 4 outputs has an 4 LED array to indicate which source is currently selected on the 8x4 Matrix for HDMI. Each of the inputs can accept up to 2 sources (A and B) and the LED array will behave in 2 modes to indicate which of the two sources for input is selected. Please see the operation section for a compl ...
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Gefen EXT-HDMI-844 - page 9
6 How to Connect the 8x4 Matrix for HDMI 1. Connect up to 8 HDMI source devices to the 8x4 Matrix for HDMI using the included HDMI cables. NOTE: Please be aware that each input has two available HDMI ports and that only one will be active at any given time. It is recommended that commonly used HDMI sources be put on separate inputs (i.e. 1A and 2A, ...
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Gefen EXT-HDMI-844 - page 10
7 LED ARRA Y The LED array on the 8x4 Matrix for HDMI is designed to inform the user of the current source to output routes. Each output has a 4 LED array that will indicate which source is currently selected. Each input can accept two sources and therefore the LED array will act differently according to which input, “A” or “B”, is active f ...
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Gefen EXT-HDMI-844 - page 11
8 The RMT -16IR remote control will allow the user to select which source will be routed to which output. Each of the 4 outputs are assigned a group of 4 buttons that will correspond to the 4 source inputs. Each button on the RMT -16IR remote control will toggle between the “A” and “B” sources for each input. Please use the information belo ...
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Gefen EXT-HDMI-844 - page 12
9 Why would I need to change the remote channel? In some instances, the 8x4 Matrix for HDMI may use IR codes that con fl ict with other IR remote control devices. The unit may switch inputs when another brand IR remote control is used or the RMT -16IR may cause other brand IR controlled devices to behave unexpectedly . I am experiencing the issues ...
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Gefen EXT-HDMI-844 - page 13
10 EDID MANAGEMENT FEA TURE EDID. What is it and what is it used for? Under normal circumstances, a 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 th ...
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Gefen EXT-HDMI-844 - page 14
11 EDID MANAGEMENT MODES EDID Modes The diagram below illustrates the 8 DIP switch bank. DIP SWITCH Function 1 EDID Mode 2 EDID Mode 3 IR Channel 4 IR Channel 5 EDID Mode 6 N/A 7 EDID Mode 8 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) • EDID is copied from the d ...
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Gefen EXT-HDMI-844 - page 15
12 RS-232 SERIAL COMMUNICA TIONS What features are available via the RS-232 serial communications port? The 8x4 Matrix for HDMI can accept commands through the RS-232 serial communications port located on the rear panel. The current RS-232 control features are: • Switching/routing of inputs to outputs without the RMT -16IR remote control. • Swi ...
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Gefen EXT-HDMI-844 - page 16
13 Switching/Routing Binary T able ASCII Command Input Output ASCII Command Input Output A1/a1 1A 1 C1/c1 1A 3 A2/a2 1B 1 C2/c2 1B 3 A3/a3 2A 1 C3/c3 2A 3 A4/a4 2B 1 C4/c4 2B 3 A5/a5 3A 1 C5/c5 3A 3 A6/a6 3B 1 C6/c6 3B 3 A7/a7 4A 1 C7/c7 4A 3 A8/a8 4B 1 C8/c8 4B 3 B1/b1 1A 2 D1/d1 1A 4 B2/b2 1B 2 D2/d2 1B 4 B3/b3 2A 2 D3/d3 2A 4 B4/b4 2B 2 D4/d4 2B ...
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Gefen EXT-HDMI-844 - page 17
14 Video Ampli fi er Bandwidth ....................................................................... 165 MHz Input Video Signal .............................................................................. 1.2 V olts p-p Input DDC Signal ......................................................................... 5 V olts p-p (TTL) Single Link Ran ...
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Gefen EXT-HDMI-844 - page 18
15 W ARRANTY G e f en warrants the equipment it manu f actures to be f ree f rom de f ects in material and workmanship. I f equipment f ails because o f such de f ects and G e f en is noti fi ed within two ( 2 ) y ears f rom the date o f shipment, G e f en will, at its option, repair or replace the e quipment, provided that the equipment has not b ...
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Gefen EXT-HDMI-844 - page 19
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Gefen EXT-HDMI-844 - page 20
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Gefen EXT-HDMI-844 - page 21
20600 No r dho ff St . , Ch a t sw o r th CA 91311 1-800-5 4 5-6900 818-772-9100 fax : 818-772-9120 www. ge f e n. co m su ppo r t@ge f e n. co m Rev A2 ...
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