6.2. IR Control Connections
Bidirectional IR signals can be transmitted between transmitter and receiver through category
cable. The IR signal can be generated either from a powered receiver or from a control system.
The following section describes these two use cases.
CAUTION: Pinout configurations for IR receivers and control systems vary. Before
connecting to this input, review this section carefully in order to match the pinouts for the
device.
HDMI Source
DCE
DTE
DTE
DCE
Note: Arrow direction indicates signal flow.
IR Control In-3.5 mm Mono—See Section 6.2.2
IR Receiver In-3.5 mm Stereo—See Section 6.2.1
IR Flasher Out-3.5 mm Mono—See Section 6.2.3
D HDBaseT Link category cable (RJ45)—See Section 6.1
PLAY
B-540-EXT-230-RS Transmitter
or
A
+24V DC 1A
C
INPUT
PWR
HDMI IN
Control In
Back
D
ON
5
3 2
ON
5
3 2
1
1
2
2
ON
ON
SERVICE
SERVICE
RS-232
RS-232
HDBaseT
HDBaseT
LINK
LINK
B-540-EXT-230-RS Receiver
HDTV
FIGURE 5: IR Connections
IR Processor/ Controller
IR Inputs
HDBaseT
DCE
ON
5
3 2
DTE
ON
5
3 2
1
2
1
2
ON
ON
DCE
SERVICE
RS-232
DTE
SERVICE
RS-232
Front
+24V DC 1A
INPUT
PWR
HDMI OUT
9
IR Outputs
HDBaseT
LINK
HDBaseT
LINK
C
B
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