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
Pin 2 for contact closure control
Pin 1 for contact closure control
Ground
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 |
Ground
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