Connections, Transmitter connections, Ear of the unit. see – Extron Electronics HDMI 201 User Manual
Page 20: Ont panel devices (see

Connections
Transmitter Connections
The wall-mountable transmitter is in an enclosure that can be mounted in UL standard
wall boxes with Decora-style face plates. The rack-mountable transmitter is in a quarter
rack width enclosure.
Figure 13 shows the front panel of the HDMI 201 A D Tx.
shows the rear panel of both HDMI 201 Tx models.
HDMI 201 A D Tx Front Panel
INPUT
RS-232
PASS THRU
AUDIO-R
HDMI
AUDIO-L
Rx
Tx
2
3
1
Figure 13.
HDMI 201 Tx Front Panel Connectors
a
HDMI Input connector — Connect an HDMI cable between this port and
the HDMI output port of the digital video source. See
b
RS-232 connector — Connect a serial communications port to this 3.5 mm, 3-pole
captive screw connector for bidirectional RS-232 communication. See
to wire the connector.
NOTE: The RS-232 connector can also transmit one-way modulated infrared (IR)
signals. See
Modulated IR Pass Through Application
HDMI 201 • Installation and Operation
16