Moxa Technologies DE-304 Guia de Instalação descarregar pdf (Página 28)

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A. Cable Pinouts

DB9 Male Port Pinouts

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5

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PIN RS-232 RS-422 2-wire RS-485

1 DCD TxD-(A) Data-(A)

2 RxD TxD+(B) Data+(B)

3 TxD RxD+(B) ---

4 DTR RxD-(A) ---

5 GND GND GND

6 DSR RTS-(A) ---

7 RTS RTS+(B) ---

8 CTS CTS+(B) ---

9 --- CTS-(A) ---

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