User's Manual

Controlling the Source / Display from Different Locations
Using bidirectional IR, the 4K Ultra HD HDBaseT Extender w/ 2-way IR and POL allows
the source and/or display to be controlled from the Sender or Receiver unit. Refer to the
diagram, below, for connection details. The video (HDMI) cables have been removed for
clarity. IR signals are transmited over the Link cable.
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IR signals
Bidirectional IR Control
Sender unit
Receiver unit
Power
Link
24V DC
HDMI Out
Link IR In/Ext
IR Out
GTB-UHD-HBTL-R
®
w/ 2-way IR and POL
4K Ultra HD
HDBaseT Extender R
™
Power
Link
24V DC
HDMI In
Link IR In/Ext
IR Out
GTB-UHD-HBTL-S
®
w/ 2-way IR and POL
4K Ultra HD
HDBaseT Extender S
™
or
or
IR emitter
IR emitter
IR Signals from
Receiver unit
IR extender
IR extender
from Automation
System
from Automation
System
IR Signals from
Sender unit
Information
Additional IR extenders (Gefen part no. EXT-RMT-EXTIRN) and IR emitters
(Gefen part no. EXT-IREMIT) will be required for this conguration.
Basic Operation