Moxa Technologies CP-168U - Manual (Page 77)

Connection Cables and Cable Wiring
Smartio CP-168U User’s Manual 5-3
DB-25/F Pin Assignment (Opt8A/S)
RJ45 Pin Assignment (Opt8-RJ45)
MODE
PIN
RS-232
2 RxD
3 TxD
4 CTS
5 RTS
6 DTR
7 GND
8 DCD
20 DSR
MODE
PIN
RS-232
1 DSR
2 RTS
3 GND
4 TxD
5 RxD
6 DCD
7 CTS
8 DTR