Connection Cables and Cable Wiring
Industio
CP-134U
Series
User’s Manual
5-5
RS-422
DB9 DB25
Pin No.
Signal
Pin No.
Signal
1 TxD-(A)
2 TxD+(B)
2 TxD+(B)
3 RxD+(B)
3 RxD+(B)
4 RTS+(B)
4 RxD-(A)
5 CTS+(B)
5 GND
7 GND
6 RTS-(A)
13 CTS-(A)
7 RTS+(B)
14 TxD-(A)
8 CTS+(B)
16 RxD-(A)
9 CTS-(A)
19
RTS-(A)
RS-485 (4-wire)
DB9 DB25
Pin No.
Signal
Pin No.
Signal
1 TxD-(A)
2 TxD+(B)
2 TxD+(B)
3 RxD+(B)
3 RxD+(B)
7 GND
4 RxD-(A)
14 TxD-(A)
5 GND
16
RxD-(A)
