Modulated Ir Pass Through Application - Extron electronics HDMI 201 User Manual

Modulated IR Pass Through Application

Figure 29 shows an installation in which the Tx/Rx pair sends a modulated infrared (IR)
signal across the link. On the Tx side, control system is connected to the Tx pin (the
modulated IR signal) and the Gnd (signal ground) on the transmitter. An IR emitter is
connected to the Tx and Gnd receiver output.
Control
System
Modulated IR
Figure 29.
INPUT
HDMI
Ground
AUDIO-R
RS-232
PASS THRU
AUDIO-L
TP 1
Rx
Tx
TP 2
HDMI 201 A D Tx
Installation Routing Modulated IR
Flat Panel Display
w/ IR Control
IR Emitter
HDMI 201 Rx
POWER
12V
RS-232
0.4A MAX HDMI OUTPUT
PASS THRU
1 2 Tx Rx
HDMI 201 Rx
HDMI 201 • Installation and Operation 29