
RS-232  and IR Connector Wiring
Remote RS-232  and Contact Closure Connector
Wire the rear Remote 
Tx/Rx
Pins
REMOTE  | 232 Contact  | Rx G 1 2  | 
  | RS-  | Tx  | 
Connected RS-232  and
Contact Closure Device Pins
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 Pin 2 for contact closure control
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 Pin 1 for contact closure control
Ground
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 Transmit pin on connected unit ![]()
 Receive pin on connected unit
Figure 11. RS-232  and Contact Closure Connector Wiring
IR Control Connector
Wire the front panel IR control connector as shown in figure 12.
S  | 
G  | 
Signal
Ground
Figure 12. IR Out Connector Wiring
Over DTP RS-232  Connector
Wire the rear Over DTP RS-232  connector as shown in figure 13.
OVER DTP  | Tx Rx G  | 
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 Ground
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 Transmit pin on connected unit ![]()
 Receive pin on connected unit
Figure 13. Over DTP Connector Wiring
NOTE: Do not tin the wires before installing them in the direct insertion connector. Tinned wires are not as secure in the connectors and could be pulled out.
DTP T HWP/UWP 232/332 D Transmitters • Installation and Operation 14