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51-52-33-157 Rev. 6
RS232 Communications
If using RS232 communications to have the station communicate with other Honeywell or Modbus-
compatible equipment, create a communications cable as follows.
RJ12 connector
Connector of slave device
Terminal no.
Signal
Terminal no.
Signal
1 CTS
7 RTS
2 RX
3 TXD
3 Ground
5 Ground
4 Ground
1 DCD
5 TX
2 RXD
6 RTS
8 CTS
1
6
5
1
9
6
4
3
2
8
7
