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Installation
The 5-pin HDBaseT RS-232/IR port provides bidirectional RS-232 control of a headend matrix (transmitter) over
HDBaseT. The 4-pin RS-232/IR IN port allows RS-232 control of the AT-OPUS-RX41.
OPUS
TM
1
2
1. Locate the required captive screw connector (included in the box).
2. Use wire strippers to remove a portion of the cable jacket.
3. Remove at least 3/16" (5 mm) of insulation from each of the wires.
4. Insert the wires into correct terminal. Refer to Figure 1.1 or Figure 1.2, below.
5. Connect the captive screw block to the proper port.
NOTE: Typical DB9 connectors use pin 2 for TX, pin 3 for RX, and pin 5 for ground. On some devices
functions of pins 2 and 3 are reversed. Note that the signal (S) pin for the IR is labeled as "TX" on the
port.
Figure 1.1 - Wiring the 5-pin HDBaseT RS-232/IR
captive screw block for RS-232 control of a source
device connected to headend matrix.
GND
RX
TX
AT-OPUS-RX41
RS-232 Control
INPUT
1
2
3
4
INPUT
to control system
POWER
3
4
HDBaseT
RS-232
IR
HDMI OUT
OPTICAL
RX TX
TX RX
Figure 1.2 - Wiring the 4-pin RS-232/IR IN captive screw
block for RS-232 control of the AT-OPUS-RX41.
AT-OPUS-RX41
INPUT
FW
RS-232
IR IN
LAN
DC 5V
RX
TX
S
GND
to control system
RX
TX
12
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