Gefen EXT-DVIKVM-841DL User Manual
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Gefen EXT-DVIKVM-841DL User Manual

8x1 dvi kvm dl switcher
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Summary of Contents for Gefen EXT-DVIKVM-841DL

  • Page 1 ® 8x1 DVI KVM DL Switcher EXT-DVIKVM-841DL User Manual www.gefen.com...
  • Page 3 Notice Gefen, LLC reserves the right to make changes in the hardware, packaging and any accompanying documentation without prior written notice. 8x1 DVI KVM DL Switcher is a trademark of Gefen, LLC. © 2010 Gefen, LLC., All Rights Reserved.

  • Page 4: Table Of Contents

    CONTENTS Introduction Operation Notes Features Panel Layout Panel Descriptions Connecting the 8x1 DVI KVM DL Switcher 8x1 DVI KVM DL Remote Description 8x1 DVI KVM DL Switcher Remote Installation RMT-8IR Remote and 8x1 DVI KVM Switcher Configuration 10 EDID Modes 12 DL (Dual Link) Only Modes 13 RS-232 Serial Communication 14 RS-232 Serial Control Commands...

  • Page 5: Introduction

    The Gefen 8x1 DVI KVM DL Switcher The rack-mountable Gefen 8x1 DVI KVM DL Switcher offers an economical solution by eliminating the need to purchase many displays for each computer in a studio or lab situation.

  • Page 6: Operation Notes

    OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE GEFEN 8X1 DVI KVM DL SWITCHER • The 8x1 DVI KVM DL Switcher will take any of up to eight (8) DVI dual-link or single-link resolution inputs and switch them, one at a time, to a DVI output device such as a display/monitor or projector.

  • Page 7: Features

    FEATURES Features • Switches between any eight DVI Dual-link or Single-Link sources, with USB 2.0 and analog audio to one display • Supports 1080p Full HD at 120Hz and dual-link resolutions up to 3840 x 2400 (WQUXGA) or single-link resolutions up to 1920 x 1200 (WUXGA) •...

  • Page 8: Panel Layout

    PANEL LAYOUT Front Panel Back Panel...

  • Page 9: 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 8x1 DVI KVM DL Switcher.

  • Page 10: Connecting The 8X1 Dvi Kvm Dl Switcher

    Switcher’s last recorded EDID from previous activity will be used. Wiring Diagram for the 8x1 DVI KVM DL Switcher DVI DUAL LINK CABLE AUDIO CABLE USB CABLE DVI Dual Link Sources USB Sources Switcher Audio Sources DVI Dual Link Display USB Keyboard USB Mouce & Powered Speaker EXT-DVIKVM-841DL...

  • Page 11: 8X1 Dvi Kvm Dl Remote Description

    8X1 DVI KVM DL REMOTE DESCRIPTION LED Indicator Input Selection Buttons The RMT-8IR remote control will allow the user to choose which of 8 DVI sources or computers will be selected. Please use the information below when selecting the desired source: RMT-8IR Button DVI Source...

  • Page 12: 8X1 Dvi Kvm Dl Switcher Remote Installation

    8X1 DVI KVM DL SWITCHER 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 13: Rmt-8Ir Remote And 8X1 Dvi Kvm Switcher Configuration

    RMT-8IR REMOTE AND 8X1 KVM SWITCHER CONFIGURATION How to Resolve IR Code Conflicts In the event that IR commands from other remote controls conflict with the supplied RMT-8IR remote control, changing the remote channel will alleviate this issue. The RMT-8IR remote control and the 8x1 DVI KVM DL Switcher both have banks of DIP (Dual Inline Package) Switches for configuring the remote channel that both units use to communicate.

  • Page 14: Edid Modes

    EDID MODES EDID. What is it, and what is it used for? Under normal circumstances, a computer 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 15 EDID MODES EDID Modes The diagram below illustrates the 4 DIP switch bank. 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 EDID Lock Mode Use DIP switch 3 to set the desired EDID mode.

  • Page 16: Dl (Dual Link) Only Modes

    DL (DUAL LINK) ONLY MODES DL (Dual Link) Only Modes The 8 DIP switch bank, located on the underside of the 8x1 DVI KVM DL Switcher cab be used to set each individual input to work in a Dual Link Only mode.

  • Page 17: Rs-232 Serial Communication

    RS-232 SERIAL COMMUNICATION What features are available via the RS-232 serial communications port? The 8x1 DVI KVM DL 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 18: Rs-232 Serial Control Commands

    RS-232 SERIAL CONTROL COMMANDS RS-232 Features RS-232 remote functions are used to control of this product’s features. Features include input to output routing, EDID storage, EDID management, etc. Functions Syntax The syntax for each function is always the same: #Character as the start flag → Function name → Space ( _ ) as function name end flag →...
  • Page 19 RS-232 SERIAL CONTROL COMMANDS #EDIDDSTOLO Function The #EDIDDSTOLO function reads the downstream EDID and stores into all lo- cal inputs. Syntax: #EDIDDSTOLO Parameters: None #EDIDDSTOBA Function The #EDIDDSTOBA function reads the downstream EDID and stores it to a specified EDID bank. Syntax: #EDIDDSTOBA param1 Parameters:...
  • Page 20 RS-232 SERIAL CONTROL COMMANDS #DDCTODS Function The #DDCTODS function routes the input 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.
  • Page 21 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 Semi echo mode Full echo mode param2 EDID size [1 - 2]...
  • Page 22 RS-232 SERIAL CONTROL COMMANDS #LOEDIDTOLO Function The #LOEDIDTOLO function loads the specified EDID file to a specified local input. Syntax: #LOEDIDTOLO param1 param2 Parameters: param1 Echo mode [0 - 1] Value Meaning Semi echo mode Full echo mode param2 EDID size [1 - 2] Value Meaning...
  • Page 23 RS-232 SERIAL CONTROL COMMANDS #PRDSEDID Function The #PRDSEDID function reads the downstream EDID and sends it to the serial port. Syntax: #PRDSEDID param1 Parameters: param1 File type [0 - 1] Value Meaning .BIN file .TXT file #PRLOEDID Function The #PRLOEDID function reads the local EDID and spools it to the serial port. Syntax: #PRLOEDID param1 Parameters:...

  • Page 24: Command Description

    RS-232 SERIAL CONTROL COMMANDS Commands Simplified syntax was used for command implementation for faster operation with the device: # character – isn’t needed, the command name is reduced to 1 letter. The commands are not case-sensitive. Command Description Displays the current matrix status in tabular form Displays the function menu Switch to Input 1 Switch to Input 2...
  • Page 25 RS-232 SERIAL CONTROL COMMANDS 2. USING SHORT-CUT CHARACTERS TO CHANGE SETTINGS 2.1 HYPERTERMINAL SETTINGS in Microsoft Windows First, please setup correct communications by performing these commands (as shown on the screen shot immediately below): File->Properties->Setting->ASCII Setup Also, please be sure to unmark the check box that says “Send line ends with line feeds.”...

  • Page 26: 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 27: Specifications

    SPECIFICATIONS Video Amplifier Bandwidth..............165 MHz x 2 Input Video Signal................1.2 Volts p-p Input DDC Signal................5 Volts p-p (TTL) DVI Connector............. DVI-I 29-pin female (digital only) USB Input Connection................Type “B” USB Output Connection................Type “A” Audio Connector............. 3.5mm mini-Stereo phone jack Power Supply..................5V / 4A, locking Power Consumption........12.5 Watts (min.) / 32.5 Watts (max.) Dimensions...............17.1”...

  • Page 28: Warranty

    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.
  • 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 This product uses UL listed power supplies.

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