B.14 Power LED & Keyboard Lock (CN16)

Table B.14: Power LED & Keyboard Lock (CN16)

Pin

Signal

 

 

1

Power LED+

 

 

2

NC

 

 

3

Power LED-

 

 

4

KB_LOCK+

 

 

5

KB_LOCK-(GND)

 

 

B.15 External Speaker (CN17)

Table B.15: External Speaker (CN17)

Pin

Signal

 

 

1

Vcc

 

 

2

NC

 

 

3

Internal Buzzer

 

 

4

Speaker Signal

 

 

PCA-6774 User Manual

102

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Image 114
Advantech PCA-6774 user manual Table B.14 Power LED & Keyboard Lock CN16, Table B.15 External Speaker CN17