Aaeon SBC-590 User Manual page 33

This connector supports the optional wireless transmitting and
receiving infrared module. This module mounts on to a small
opening on system cases that support this feature. You must also
configure the setting through BIOS setup to select whether
UART2 is directed for use with COM2 or IrDA
Pin
1
2
3
4
5
You can use an LED to indicate when the CPU card is on. Pin 1
of CN2 supplies the LED's power, and Pin 3 is the ground.
You can use a switch (or a lock) to disable the keyboard so the PC
will not respond to any input. This is useful is you do not want
anyone to change or stop a running program. Connect the switch
between Pins 4 and 5 of CN2
Pin
1
2
3
4
5
26 SBC-590 User's Manual
Function
+5V
No connection
Tx
GND
Rx
Function
LED power (+5V)
NC
GND
Keyboard lock
GND