Moxa Technologies CP-118U - Manual (Page 75)

CP-118U User’s Manual Pin Assignments
5-5
RJ45 (Opt8-RJ45)
1 8
Pin RS-232
RS-422 /
4-wire RS-485
2-wire RS-485
1 DSR --- ---
2 RTS --- ---
3 GND GND GND
4 TxD RxD+(B) Data+(B)
5 RxD TxD+(B) ---
6 DCD TxD-(A) ---
7 CTS --- ---
8 DTR RxD-(A) Data-(A)