Moxa-technologies Moxa Smartio C168H Manual do Utilizador descarregar pdf (Página 61)

Connection Option (Opt8x) and Cable Wiring

Smartio C168H/PCI User’s Manual 5-9

The followings are operation modes for RS-422:

RS-422 Point-to-point RS-422 Broadcasting

Opt8F/Z RS-422 Device Opt8F/Z RS-422 Device I

3 TxD+(B) RxD+(B) 3 TxD+(B) RxD+(B)

16 TxD–(A) RxD–(A) 2 RxD+(B) TxD+(B)

2 RxD+(B) TxD+(B) 16 TxD–(A) RxD–(A)

14 RxD–(A) TxD–(A) 14 RxD–(A) TxD–(A)

7 GND GND 7 GND GND

RS-422 Device N

RxD+(B)

TxD+(B)

RxD–(A)

TxD–(A)

GND

Opt8J RS-422 with Handshaking

Opt8J RS-422 Device

3 TxD+(B) RxD+(B)

16 TxD–(A) RxD–(A)

2 RxD+(B) TxD+(B)

14 RxD–(A) TxD–(A)

7 GND GND

5 RTS+(B) CTS+(B)

13 RTS–(A) CTS–(A)

4 CTS+(B) RTS+(B)

19 CTS–(A) RTS–(A)

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