Advantech Advantech Modem ADAM-4550 Manual do Utilizador descarregar pdf (Página 9)

ADAM-4550 User's Manual 9

Figure 1: Basic Connection Diagram

PC

2 RX

3 TX

7 RTS

8 CTS

4 DTR

6 DSR

5 GND

2 RX/TX

3 TX/RX

7 CTS/RTS

8 TRS/CTS

4 DSR/DTR

6 DTR/DSR

5 GND

RF

Module

DATA+

DATA-

RS-485

RF

Module

DATA+

DATA-

RS-485

RS-232 Connector

DATA+

DATA-

RS-485

RS-232 ADAM-4550 ADAM-4550 ADAM-4011

Note:

The RS-232 cable does not have to be

a null-modem cable. The ADAM-4550

will automatically detect and set itself

as a DCE.

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