Aaeon PCM-4330 Guía de instalación Pagina 29

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Chapter 2 Installation 23
Power LED and keylock (CN8)
You can connect an LED to indicate when the CPU card is on. Pin
1 of CN8 supplies power to the LED; Pin 3 is the ground.
You can use a switch (or a lock) to disable the keyboard. In this
state, the PC will not respond to any input. This is useful if you
do not want anyone to change or stop a running program. Simply
connect the switch between Pins 4 and 5. The pin assignments
appear in the following table:
Power LED and keylock (CN8)
Pin Function
1 LED Power (+5 V)
2NC
3 GND
4 Keyboard lock
5 GND
Reserved IR connector (CN9)
Reserved IR connector (CN9)
Pin Function
1 Vcc
2 FIR_RX
3 IR_RX
4 GND
5 IR_TX
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