Perle Systems 5500161-40 User Manual

Pinouts and Cabling Diagrams  371

EIA-232 Cabling Diagrams

This section shows how to create EIA-232 cables that are compatible with the Device Server.

The following diagrams show how the null modem cable should be configured when connecting to a 
terminal DB25.

2 (TxD)

3 (RxD)

3 (RxD)

2 (TxD)

4 (RTS)

5 (CTS)

5 (CTS)

4 (RTS)

6 (DSR)

20 (DTR)

7 (GND)

7 (GND)

20 (DTR)

6 (DSR)

3 (TxD)

3 (RxD)

2 (RxD)

2 (TxD)

5 (RTS)

5 (CTS)

4 (CTS)

4 (RTS)

20 (DSR)

20 (DTR)

7 (GND)

7 (GND)

6 (DTR)

6 (DSR)