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Rs-422 cable wiring, Rs-422 cable wiring -4 – Moxa Technologies CP-114 Series User Manual

Page 44

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Industio CP-114 User's Manual

RS-422 Cable Wiring


The RS-422 standard uses a balanced voltage digital interface to allow 9600 bps communication
over cables of up to 400 ft (1.2 km) in length. Ten receivers can be connected to any one driver for
broadcasting systems.


RS-422 pin outs for Industio CP-114 Series:

CP-114

1 TxD-(A)
2

TxD+(B)

3 RxD+(B)
4 RxD-(A)
5 GND
6 RTS-(A)

7 RTS+(B)

8 CTS+(B)

9 CTS-(A)

RS-422 Point-to-point

RS-422 Broadcasting


CP-114

RS-422 Device

CP-114

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


RS-422 with Handshaking


CP-114

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)

1 TxD-(A)

2 TxD+(B)

3 RxD+(B)

4 RxD-(A)

5 GND

RTS-(A) 6

RTS+(B) 7

CTS+(B) 8

CTS-(A) 9