Moxa Technologies CP-134U Cable Wiring-DB9, Connection Cables and Cable Wiring, RS-422 Device

Connection Cables and Cable Wiring

Cable Wiring—DB9

	RS-422 Point-to-point			RS-422 Broadcasting
CP-134U		RS-422 Device	CP-134U		RS-422 Device 1
2	TxD+(B)	RxD+(B)	2	TxD+(B)	RxD+(B)
1	TxD-(A)	RxD-(A)	3	RxD+(B)	TxD+(B)
3	RxD+(B)	TxD+(B)	1	TxD-(A)	RxD-(A)
4	RxD-(A)	TxD-(A)	4	RxD-(A)	TxD-(A)
5	GND	GND	5	GND	GND

RS-422 Device N

RxD+(B)

TxD+(B)

RxD-(A)

TxD-(A)

GND

CP-134U – RS-422 with Handshaking

CP-134U		RS-422 Device
2	TxD+(B)	RxD+(B)
1	TxD-(A)	RxD-(A)
3	RxD+(B)	TxD+(B)
4	RxD-(A)	TxD-(A)
5	GND	GND
7	RTS+(B)	CTS+(B)
6	RTS-(A)	CTS-(A)
8	CTS+(B)	RTS+(B)
9	CTS-(A)	RTS-(A)

	CP-134U – 2-wire RS-485
CP-134U		RS-485 Device
3	Data+(B)	Data+(B)
4	Data-(A)	Data-(A)
5	GND	GND

Industio CP-134U Series User’s Manual 5-7