American Industrial Systems – Atom™ Z510 Fanless Touch Panel PC User Guide
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8.7.2 CN12: Digital Panel Backlight Brightness Control
8.7.3 CON13: Digital Panel Backlight Inverter Power
8.7.4 CON16: D-SUB Dual Output
The serial port COM3 and COM4 are 10x2 header, pitch 2.0 mm, Pin 1 to Pin 10 is COM4, Pin 11 to Pin
20 is COM3.