C.18 COM1 RS-232 serial port (CN8)

Table C.18: COM1 RS-232 serial port (CN8)

Pin

Signal

 

 

1

DCD

2

RxD

3

TxD

4

DTR

5

GND

6

DSR

7

RTS

8

CTS

9

RI

C.19 COM2 RS232/422/485 series port (CN16)

Table C.19: COM2 RS-232/422/485 series port

Pin

RS-232 port

RS-422 port

RS-485 port

 

 

 

 

1

DCD

N/C

N/C

2

DSR

N/C

N/C

3

RXD

N/C

N/C

4

RTS

N/C

N/CN/C

5

TxD

N/C

N/C

6

CTS

N/C

N/C

7

DTR

N/C

N/C

8

RI

N/C

N/C

9

GND

N/C

N/C

10

GND

N/C

N/C

11

N/C

TxD-+

DATA+

12

N/C

TxD-

DATA-

13

N/C

RxD+

N/C

14

N/C

RxD-

N/C

131

AppendixC

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Advantech PCM-9372 user manual 18 COM1 RS-232 serial port CN8, 19 COM2 RS232/422/485 series port CN16
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