214 RS-232 Modbus Serial Cable
Trident Planning and Installation Guide
RS-232 Modbus Serial Cable
The RS-232 Modbus serial cable is a standard null-modem cable used to link the
Modbus connector on the MP Baseplate to a PC acting as the Modbus master.
Cable pin-outs are shown below:
Housing
Ground
D9
2
3
5
4
6
1
7
8
Housing
RXD
TXD
Signal Ground
DTR
DSR
CD
RTS
CTS
D9
2
5
4
6
1
7
8
3
Housing
TXD
RXD
Signal Ground
DTR
DSR
CD
RTS
CTS
RS-232 Modbus Serial Cable
(Null Modem)
9
6
1
5
9
6
1
MP Baseplate
Female Connector
P2 (9 pins) (molded hood)
PC Female Connector
P1 (9 pins)
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