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Summary of Contents for Gefen EXT-DVI-841
- Page 1 ® 8x1 DVI Switcher EXT-DVI-841 User’s Manual www.gefen.com...
- Page 2 Notice Gefen Inc. reserves the right to make changes in the hard ware, packaging and any accompanying doc u men ta tion without prior written notice. 8x1 DVI is a trademark of Gefen Inc. © 2010 Gefen Inc., All Rights Reserved...
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Page 3: Table Of Contents
CONTENTS Introduction Operation Notes Features / Package Includes Panel Layout Panel Descriptions Connecting and Operating the 8x1 DVI Switcher RMT-8IR Remote Description RMT-8IR Remote Installation IR Remote Control and 8x1 Switcher Confi guration 10 EDID Notes 11 EDID Notes, Continued 12 RS-232 Serial Control Interface 13 RS-232 Serial Control Commands 14 RS-232 Serial Control Commands, Continued... -
Page 4: Introduction
The Gefen 8x1 DVI Switcher The rack-mountable Gefen 8x1 single-link DVI Switcher offers an economical solution by eliminating the need to purchase many displays for each DVI source in a studio or lab situation. -
Page 5: Operation Notes
OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE GEFEN 8X1 DVI SWITCHER • The 8x1 DVI Switcher will take any of up to eight (8) DVI single-link resolution inputs and switch them, one at a time, to a DVI output device such as a display/monitor or projector. -
Page 6: Features / Package Includes
FEATURES Features • Switches easily between any eight DVI sources • Maintains highest resolution single-link DVI at 1920x1200 • Discrete IR remote control included • Serial RS-232 remote port for switching via automated control or PC • Supports DDWG standards for DVI monitors •... -
Page 7: Panel Layout
PANEL LAYOUT Front Panel Back Panel... -
Page 8: Panel Descriptions
PANEL DESCRIPTIONS External IR Port For connection of external IR extension device such as the Gefen IR Extender (part # EXT-RMT-EXTIR). IR Receiver Receives IR signal from the handheld Infrared remote control unit included with the product. DVI Signal Status LEDs 1-8 Provide visual confi... -
Page 9: Connecting And Operating The 8X1 Dvi Switcher
CONNECTING AND OPERATING THE 8X1 DVI SWITCHER How to Connect the 8x1 DVI Switcher to your devices: Connect the supplied DVI cables from the DVI sources into the 8x1 DVI Switcher’s Inputs. Connect the cable from your display (monitor or projector) into the DVI Out of the 8x1 DVI Switcher. - Page 10 8X1 DVI SWITCHER REMOTE DESCRIPTION LED Indicator Input Selection Buttons The RMT-8IR remote control will allow the user to select which of 8 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-8IR Button DVI Source...
- Page 11 8X1 DVI REMOTE INSTALLATION To use the RMT-8IR remote, remove the battery cover on the back of the remote to reveal the battery compartment. 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.
- Page 12 The other DIP switch (8-switch) is reserved for Gefen use only. DIP Switches 1 and 2 on the RMT-8IR directly correspond to DIP Switches 1 and 2 on the 8x1 DVI Switcher.
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Page 13: Edid Notes
EDID NOTES What is EDID and what is it used for? Under normal circumstances, an audio/video source device (digital or analog) will require information about a connected device/display to assess what resolutions and features (capabilities) are possible. The source device can then cater its output to create resolutions and/or features that are compatible with the attached device/display. - Page 14 EDID NOTES, CONT’D EDID Modes The diagram below illustrates the DIP switch bank (of 4). The 8 DIP switch bank functions are outlined later on this page. DIP SWITCH Function IR Channel IR Channel EDID Mode 1 2 3 4 Use DIP switch 3 to set the desired EDID mode.
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Page 15: Rs-232 Serial Control Interface
RS-232 SERIAL CONTROL INTERFACE What features are available via the RS-232 serial communications port? The 8x1 DVI Switcher 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-8IR remote control. •... - Page 16 RS-232 SERIAL COMMUNICATION COMMANDS, CONT’D 1. ECHO PROTOCOL Defi nition: Semi echo mode – the Switcher echoes every byte it receives, except when receiving EDID data structures/records. Full echo mode – the Switcher echoes every byte it receives, even when receiving EDID data structures/records.
- Page 17 RS-232 SERIAL COMMUNICATION COMMANDS, CONT’D DS EDID store in local inputs’ EDID memory This function reads an EDID record from DS and stores it in all the local inputs’ EDID memory banks. #EDIDDSTOLO DS EDID store in EDID Memory Bank This function reads an EDID from DS and stores it in an EDID bank.
- Page 18 RS-232 SERIAL COMMUNICATION COMMANDS, CONT’D Print EDID bank This function reads EDID data from the EDID bank and sends it to the serial port. #PRBAEDID_param1_param2\r Parameter Name Value EDID bank offset [1 : 7 ] Send BIN fi le Send TXT fi le Load EDID to Locals EDID This function loads EDID data through the serial port and stores it in any Input’s Local EDID memory bank.
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Page 19: Rs-232 Serial Communication -- Uploading Edid
RS-232 SERIAL COMMUNICATION - UPLOAD EDID 3. HOW TO LOAD FILE WITH HYPER TERMINAL 3.1 HYPER TERMINAL SETTING File->Properties->Setting->ASCII Setup: Unmark the check box of “Send line ends with Line feeds” 3.2 SEND THE FILE Transfer->Send text fi le… Change “Files of type:” to “All fi les (*.*)” Open the fi... -
Page 20: Rack Mount Installation
RACK MOUNT INSTALLATION Rack mount ears are provided for installation of this unit into a 1U 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. -
Page 21: Specifi Cations
SPECIFICATIONS Video Amplifi er Bandwidth:................165 MHz Input Video Signal:................1.2 Volts p-p Input DDC Signal:................5 Volts p-p (TTL) Single Link Range:................1920 x 1200 DVI Connector:............ DVI-I 29-pin female (digital only) Power Supply:....................5V DC Power Consumption:................20 Watts (max) Dimensions:..............17” W x 1.75” H x 4.375” D Rackmountable:................1U Rack Space Shipping Weight:...................12 lbs... -
Page 22: 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 notifi ed 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 modifi... - Page 23 Rev X5 20600 Nordhoff St., Chatsworth CA 91311 1-800-545-6900 818-772-9100 fax: 818-772-9120 www.gefen.com support@gefen.com...
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