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®
4x1 DVI DL Switcher
EXT-DVI-441DL
User Manual
www.gefen.com
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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 thru Friday PST Write To: Gefen, LLC c/o Customer Service 20600 Nordhoff St Chatsworth, CA 91311 www.gefen.com support@gefen.com Notice Gefen, LLC reserves the right to make changes in the hard ware, packaging and any accompanying doc u men ta tion without prior written notice. 4x1 DVI DL Switcher is a trademark of Gefen, LLC © 2011 Gefe
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CONTENTS 1 Introduction 2 Operation Notes 3 Features 4 Panel Layout 5 Panel Descriptions 6 Connecting and Operating The 4x1 DVI DL Switcher 7 RMT-4IR Remote Control Description 8 4x1 DVI DL Switcher Remote Installation 9 4x1 Remote and Switcher Confi guration 10 EDID Modes 12 DL (Dual Link) Only Modes 13 RS-232 Serial Control 14 RS-232 Serial Control Commands 14 EDID Management 20 Routing Commands 22 Rack Mount Installation 23 Specifi cations 24 Warranty
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INTRODUCTION Congratulations on your purchase of the 4x1 DVI DL Switcher. Your 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 computer systems, professional audio/video environments and HDTV systems of all sizes with hard-working solutions that are easy to imple
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OPERATION NOTES READ THESE NOTES BEFORE INSTALLING OR OPERATING THE GEFEN 4X1 DVI DL SWITCHER • The 4x1 DVI DL Switcher will take any of up to four (4) 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. Resolutions can be up to 3840x2400. • The 4x1 DVI DL Switcher is housed in a metal box for better RF shielding. • By default, the EDID of the attached display is copied to all the local inputs. Make
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FEATURES Features • Switches easily between any four DVI-SL or DVI DL sources • Maintains highest resolution dual link DVI • Supports resolutions up through 3840x2400 • EDID Storage and programming for best source/display compatibility • Extends the range of the video signal on the DVI outputs up to 50 feet • Discrete IR remote control included • Serial RS-232 port for switching input sources via automated control or PC • Supports DDWG standards for DVI monitors • Rack ears included Package Inc
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PANEL LAYOUT Front Panel 1 2 4 5 3 Back Panel 9 8 6 7 4
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PANEL DESCRIPTIONS 1 External IR Port For connection of external IR extension device such as the Gefen IR Extender (part # EXT-RMT-EXTIR). 2 IR Receiver Receives IR signal from the handheld Infrared remote control unit included with the product. 3 DVI Signal Status LEDs 1-4 Provide visual confi rmation of the currently selected DVI input signal out of the four DVI input ports. 4 DVI Input Selector Push-button switch cycles the next DVI input 1-4 in a forward sequence starting again at 1. 5 Po
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CONNECTING AND OPERATING THE 4X1 DVI DL SWITCHER How to Connect the 4x1 DVI DL Switcher to your devices: 1. Connect user supplied DVI cables from the DVI sources into the 4x1 DVI Switcher’s Inputs. 2. Connect the cable from your display (monitor or projector) into the DVI Out of the 4x1 DVI DL Switcher. 3. Connect the 5V power supply, then plug it into the wall. Turn on the DVI display or projector fi rst, then the video sources (computers). Turn on the 4x1 DVI DL Switcher by screwing its 5V
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4X1 DVI DL SWITCHER REMOTE DESCRIPTION LED Indicator Input Selection Buttons The RMT-4IR remote control will allow the user to select which of 4 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-4IR Button DVI Source 11 22 33 44 7
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4X1 DVI DL SWITCHER REMOTE INSTALLATION To use the RMT-4IR 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. Replace the battery cover. The remote ships with 2 batteries. One battery is needed for operation and the other battery is complimentary. Empty Battery Slot IR Code D
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4X1 REMOTE CONTROL AND SWITCHER CONFIGURATION How to Resolve IR Code Confl icts In the event that IR commands from other remote controls confl ict with the supplied RMT-4IR remote control, changing the remote control channel will alleviate this issue. The RMT-4IR remote control and the 4x1 DVI DL Switcher both have banks of DIP (Dual Inline Package) Switches for confi guring the remote channel that the units use to communicate. These settings must exactly match each other for proper operation.
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EDID MODES 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 tailor its output to create resolutions and/or features that are compatible with the attached device/display. This capability information is called EDID (Extended Display Identifi cation Data). A source device can on
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EDID MODES EDID Modes The diagram below illustrates the 4-position DIP switch bank (containing 4 small white toggle switches as shown). The functions of the switches are as follows: DIP SWITCH Function 1 IR Channel 2 IR Channel 3 EDID Mode 1 2 3 4 4 EDID Lock Mode Use DIP switch 3 to set the desired EDID mode. (UP is On) How to set the two EDID Modes: 1. Local EDID Mode ON (Switch 3 = OFF, FACTORY DEFAULT SETTING) • During power-on, the connected display’s EDID is copied to all four local EDID
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DL (DUAL LINK) ONLY MODES DL (Dual Link) Only Modes The 8-position DIP switch bank located on the underside of the 4x1 DVI DL Switcher can be used to set each individual input to work in a Dual Link Only mode. These modes should only be enabled if issues occur when using Dual Link sources and displays in the default mode. DIP SWITCH Function DIP SWITCH Function 1 Input 1 Mode 5 N/A 2 Input 2 Mode 6 N/A 3 Input 3 Mode 7 N/A 4 Input 4 Mode 8 N/A DL (Dual Link) and SL (Single Link) Mode (Switch=
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RS-232 SERIAL CONTROL INTERFACE What features are available via the RS-232 serial communications port? The 4x1 DVI DL Switcher can accept commands through the RS-232 serial communications port located on the rear panel. The current RS-232 control features are the ability to switch/route inputs to outputs without the RMT-4IR remote control. How do I use these features? These features were initially intended for utilization by custom installers in automated setups. However, these features can
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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 fl ag → Function name → Space ( _ ) as function name end fl ag → Parameter 1 → Space → Parameter n → Carriage Return ( \r ) → Sample: #FunctionName_param1_param2_param3_param4...\r Syntax is NOT case sensitive. ED
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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 specifi ed EDID bank. Syntax: #EDIDDSTOBA param1 Parameters: param1 EDID bank offset [1 - 7] #EDIDBATOLO Function The #EDIDBATOLO function reads an EDID from an EDID bank and stores it in all inputs. Syntax: #EDIDBATOLO param1 P
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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. Syntax: #DEF Parameters: None 16
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RS-232 SERIAL CONTROL COMMANDS #LOEDIDTOBA Function The #LOEDIDTOBA function loads the specifi ed EDID fi le and stores it in a specifi ed EDID bank. Syntax: #LOEDIDTOBA param1 param2 param3 Parameters: param1 Echo mode [0 - 1] Value Meaning 0 Semi echo mode 1 Full echo mode param2 EDID size [1 - 2] Value Meaning 1 128 byte EDID 2 256 byte EDID param3 EDID bank offset [1 - 7] 17
