Standards and Specifications

External Connectors

External Connectors

RS-232 Serial PortConforms to ANSI/EIA/TIA-232-E (1991).
Pin NumberFunction

 

 

 

 

 

1

DCD

 

 

 

 

 

2

RXD

1

2

3

4

5

 

 

 

 

 

3

TXD

 

 

 

 

 

4

DTR

 

 

 

 

 

5

Ground

 

 

 

 

 

6

DSR

 

6

7

8

9

 

 

 

7

RTS

 

 

 

 

 

8

CTS

 

 

 

 

 

9

R1

 

 

 

 

 

5-4