EIA-232 Cabling Diagrams

EIA-232 Cabling Diagrams

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

Terminal DB25 Connector

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

DB25 Male

IOLAN DS1

 

 

 

Terminal DB25

DB25 (DTE)

 

 

 

(DTE)

 

 

 

 

 

 

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)

 

DB25 Female

IOLAN DS1

 

 

 

Terminal DB25

DB25 (DCE)

 

 

 

(DTE)

 

 

 

 

 

 

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)

 

Pinouts and Cabling Diagrams 371

Page 371
Image 371
Perle Systems 5500161-40 manual EIA-232 Cabling Diagrams, Terminal DB25 Connector, DB25 Male, DB25 Female