B.9 COM Port 1, 2 Connector (CN9, CN10)

5

2

4

6

8

10

9

 

 

 

 

4

 

 

 

 

8

 

 

 

 

3

 

 

 

 

7

 

 

 

 

2

 

 

 

 

6

 

 

 

 

1

 

 

 

 

1

3

5

7

9

 

Table B.9: COM Port 1 Connector (CN9, CN10)

COM1 connector (CN9)

Pin

Signal

Pin

Signal

1

DCD

6

DSR

 

 

 

 

2

RX

7

RTS

 

 

 

 

3

TX

8

CTS

 

 

 

 

4

DTR

9

RI

 

 

 

 

5

GND

 

 

 

 

 

 

COM2 connector (CN10) RS232 Only

Pin

Signal

Pin

Signal

1

DCD

2

DSR

 

 

 

 

3

RX

4

RTS

 

 

 

 

5

TX

6

CTS

 

 

 

 

7

DTR

8

RI

 

 

 

 

9

GND

10

N.C.

 

 

 

 

B.10 PS/2 Keyboard & Mouse Connector (CN11)

Table B.10: PS/2 Keyboard & Mouse Connector (CN11)

Pin Signal

1KB data

2Mouse DATA

3Ground

4+5V

5KB ClOCK

6MS ClOCK

7NC

8 NC

99

AppendixB

Page 111
Image 111
Advantech PCA-6774 user manual COM Port 1, 2 Connector CN9, CN10, 10 PS/2 Keyboard & Mouse Connector CN11