Moxa Technologies CP-168U user manual DB-25/F Pin Assignment Opt8F/Z, DB-25/F Pin Assignment Opt8K

DB-25/F Pin Assignment (Opt8F/Z)

MODE	RS-422
PIN
2	RxD+(B)
3	TxD+(B)
7	GND
14	RxD-(A)
16	TxD-(A)

DB-25/F Pin Assignment (Opt8K)

MODE	RS-422/4-wire RS-485	2-wire RS-485
PIN
2	RxD+(B)	Data+(B)
3	TxD+(B)	---
7	GND	GND
14	RxD-(A)	Data-(A)
16	TxD-(A)	---

5-4 Smartio CP-168U User’s Manual