A.3 RS-232 Serial Port (COM1~COM2)

Table A.5: RS-232 Serial Port Pin Assignments

Pin

Signal Name

 

 

1

DCD

 

 

2

RxD

 

 

3

TxD

 

 

4

DTR

 

 

5

GND

 

 

6

DSR

 

 

7

RTS

 

 

8

CTS

 

 

9

RI

 

 

37

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Image 45
Advantech UNO-1170E user manual RS-232 Serial Port COM1~COM2