Power Led And Keyboard Lock (Cn16); External Speaker Connector (Cn17) - Advantech PCA-6186VE User Manual

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.
Table B.12: Power LED and keylock connector (CN16)
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.
Table B.13: External speaker (CN17)
Pin Function
1 +5 VCC
2 GND
3 Internal buzzer
4 Speaker out
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111 Chapter B