Important Safety Instructions Read these instructions. Keep these instructions. Heed all warnings. Follow all instructions. Do not use this product near water. Clean only with a dry cloth. Do not block any ventilation openings. Install in accordance with the manufacturer’s instructions.
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 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.
It will not work with Gefen IR extenders. • The IR Ext port, on the Receiver unit, is designed to work with the Gefen EXT-RMT-EXTIRN extender. It will not work with the electrical IR connection from an...
• RS-232 Extension • 2-way IR extension from Sender to Receiver and from Receiver to Sender • Gefen POL feature provides power to the Receiver unit over the link cable • Uses Gefen’s implementation of HDBaseT® technology • EDID pass-through •...
The following items are shipped with the 4K Ultra HD Extender w/ RS-232 and 2-way IR. If any of these items are not present in the box when you first open it, immediately contact your dealer or Gefen. • 1 x 4K Ultra HD Extender w/ RS-232 and 2-way IR (Sender unit) •...
Introduction Page Title Sender unit IR Out RS-232 Link IR Out RS-232 Link IR Out RS-232 Link...
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Connect a mini-mono 3.5mm cable from this port to an automation system with an electrical IR output. It will not work with Gefen IR extenders. IR Out Connect the included IR emitter from this port to the IR sensor of the device to be controlled.
Introduction Page Title Receiver unit IR Out RS-232 Link IR Out RS-232 Link IR Out RS-232 Link...
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It will not work with the electrical IR connection from an automation control device. IR Out Connect an IR emitter (Gefen part no. EXT-IREMIT) from this port to the IR sensor of the device to be controlled. RS-232 Connect an RS-232 cable from this port to the RS-232 device to be controlled.
Installation Connection Instructions ► Video Connect the included HDMI cable between the Ultra Hi-Def source and the HDMI port on the Sender unit. Connect an Ultra HD display to the HDMI port on the Receiver unit using another HDMI cable. ►...
HDMI CABLE RS-232 CABLE 4K Ultra HD Source Automation Device RS-232 Controlled Device 4K Ultra HD Display IR Input Emitter Receiver Sender Extender IR Emitter GTB-UHD2IRS-ELRPOL-BLK Information The wiring diagram, shown above, requires an additional IR emitter (Gefen part no. EXT-IREMIT).
Power LED Status The Power LED indicator on the Sender and Receiver unit provides basic information on the current status of the 4K Ultra Extender w/ RS-232 and 2-way IR. Sender unit LED Status Description • Sender unit is not powered. •...
Power LED Status Receiver unit LED Status Description • Receiver unit is not receiving power from Sender unit. Inspect CAT-5 cable between Sender and Receiver unit. Solid blue • Link is established between Sender and Receiver unit. • Receiver unit is powered and is receiving the source signal from the Sender unit.
Page Title Controlling the Source from the Viewing Location Important The IR Ext port, on the Receiver unit, is designed to work with the Gefen EXT-RMT-EXTIRN extender. It will not work with the electrical IR connection from an automation control device.
Important The IR In port, on the Sender unit, is designed to accept an electrical IR connection from third-party automation devices. It will not work with Gefen IR extenders. Connect the 3.5mm connector from the IR In port on the Sender unit to an automation system with electrical IR output.
DIP Switch Configuration Distance Setting This product passes through the display’s EDID to the source. If the display is capable of accepting Deep Color, the source must be manually configured to output 8-bit color. This is only applicable when using 4K x 2K resolutions and “long-run” modes. The distance setting is controlled using a DIP switch on the bottom of the Receiver unit.
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60Hz, 4:2:0 ELR-POL Extender w/ RS-232 and 2-way IR Appendix...
Surface Mounting Instructions The Sender and Receiver units can be mounted on any flat surface, as shown below (screws not included). There should be an inch or two of clearance between the edges of the unit and any walls or vertical surfaces to allow for enough clearance for connection and disconnection of the HDMI cables.
Network Cable Diagram Front of RJ-45 Connector 1 2 3 4 5 6 7 8 Gefen recommends the TIA/EIA-568-B wiring option. Use the following table when terminating cables in the field. Color Description Orange / White TD+ (Transmit Data, positive differential signal)
Specifications Supported Formats Video • 4K x 2K • 1920 x 1200 (WUXGA) • 1080p Full HD Audio • 7.1 Linear PCM • Dolby® TrueHD • DTS-HD Master Audio™ Connectors, Indicators, and Controls HDMI (Sender) • 1 x HDMI Type A, 19-pin, female HDMI (Receiver) •...
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