Rockwell Automation 1203 Serial Communications Module PPG OPTOMUX - Manual (Page 20)

Chapter 3
Installation
3-8
Cable Connections
RS485/RS422/RS232 Connection Examples
Figure 3.2
Communications Module
9-Pin D-Shell
1
2
3
4
5
9
8
7
6
COM
N.C.
TX
N.C.
RX
N.C.
N.C.
N.C.
COM
RS232 Mode Port Connection Diagram
AB0501A
Communications Module
9-Pin D-Shell
1
2
3
4
5
9
8
7
6
COM
RXD
RXD
N.C.
SHIELD
N.C.
TXD
TXD
COM
RS422 Mode Port Connection Diagram
AB0502A
Communications Module
9-Pin D-Shell
1
2
3
4
5
9
8
7
6
COM
N.C.
N.C.
N.C.
SHIELD
N.C.
TXD/RXD
TXD/RXD
COM
RS485 Mode Port Connection Diagram
AB0503A