Comtrol RocketPort 550 uPCI MS-DOS Manual do Utilizador descarregar pdf (Página 14)

14

BroadPort 550 IF DB9 signals

DB9 Pin RS422 signal

(Tributary)

RS422 signal

(BUS controller)

1 Frame Ground Frame Ground

6 GND (TxD signal common ) GND (RxD signal common )

2 TxD_A RxD_A

7 TxD_B RxD_B

3 RxD_B TxD_B

8 RxD_A TxD_A

4 GND ( RxD signal common) GND ( TxD signal common)

9 Frame ground Frame ground

5 N/A N/A

1 2 ... 9 10 11 12 13 14 15 16 17 18

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