ASP Portable BCR Manual do Utilizador descarregar pdf (Página 11)

Intelligent RS-485 and RS-422 Adaptors

RS-422 Connector

The RS-422 port on the Intelligent Adaptor is a standard DB9 Male

connector, wired as follows:

Pin Function

1 n/c

2 RS-422 TX B (+ve)

3 RS-422 TX A (-ve)

4 RS-422 RX B (+ve)

5 RS-422 RX A (-ve)

6 & 7 Power Supply +ve

8 & 9 Power Supply -ve

RJ-45 Connector

The Intelligent RS-485 and RS-422 Adaptors also provide for the use of

Category 3 or Category 5 twisted pair cable via an RJ-45 socket on the

front panel. This connector is wired as follows:

Pin RS-485 RS-422

1 Power Supply +ve Power Supply +ve

2 Power Supply +ve Power Supply +ve

3 RS-485 B (+ve) RS-422 TX A (-ve)

4 n/c RS-422 RX B (+ve)

5 n/c RS-422 RX A (-ve)

6 RS-485 A (-ve) RS-422 TX B (+ve)

7 Power Supply -ve Power Supply -ve

8 Power Supply -ve Power Supply -ve

1 2 ... 6 7 8 9 10 11 12 13

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ASP Portable BCR Manual do Utilizador Página 11