Advantech PCA-6186 User Manual
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Chapter B
B.12 Power LED and Keyboard Lock (CN16)
You can use an LED to indicate when the CPU card is on. Pin 1 of CN16
supplies the LED's power, and Pin 3 is the ground.
supplies the LED's power, and Pin 3 is the ground.
Table B.12: Power LED and keylock connector (CN16)
Pin
Pin
Function
1
LED power (+5 V)
2
NC
3
GND
4
Keyboard Lock
5
GND
B.13 External Speaker Connector (CN17)
The CPU card has its own buzzer. You can also connect it to the external
speaker on your computer chassis.
speaker on your computer chassis.
Table B.13: External speaker (CN17)
Pin
Pin
Function
1
+5 VCC
2
GND
3
Internal buzzer
4
Speaker out