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DTP HDMI 230 & 330 D Transmitter and Receiver • Installation and Operation 12
RS-232 and IR Connector Wiring
Figure 11 shows how to wire the RS-232 and IR connector for the DTP HDMI 230 & 330 D
units.
Do not tin the wires!
Controlling
Device
Ground (G)
Receive (Rx)
Transmit (Tx)
Ground (G)
Receive (Rx)
Transmit (Tx)
Bidirectional
FunctionPin
TX
RX
Gnd
Transmit data
Receive data
Signal ground
IR
Tx Rx G Tx Rx
RS-232
IR
Tx Rx G Tx Rx
Do not tin the wires!
RS-232
Figure 11. RS-232 and IR Connector Wiring
ATTENTION: The length of the exposed (stripped) copper wires is important.
The ideal length is 3/16 inch (5 mm). Longer bare wires can short together. Shorter
wires are not as secure in the connectors and could be pulled out.
NOTE: Do not tin the power supply leads before installing them in the direct insertion
connector. Tinned wires are not as secure in the connectors and could be pulled out.