Shapes Of Com Ports - Pro-face GP4000M Series Installation/Replacement Manual

4.2 Shapes of COM ports

GP-37W2 GP-4301TM
D-Sub 25 pin (socket) D-Sub 9 pin (plug)
RS-232C/422 RS-232C/422/485
COM1
NOTE
The COM1 port on GP-4301TM is D-Sub 9-pin plug. The COM1 port on GP-37W2 is
D-Sub 25-pin socket. The pin assignment and the shape of plug/socket connector
are different from those of GP-4301TM. Because of it, the existing PLC connection
cables cannot be used as they are. If you use the existing connection cables, see
[4.5 Cable Diagram at the time of replacemet].
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