Serial Port Com1 (Cn22) - Aaeon MB-668 Manual

Quick Installation Guide

Serial Port COM1 (CN22)

This port is also readily availiable for quick connect and disconnect
of serial devices like mouse, printer and etc.. Pin definitions are list-
ed as follows:
Serial Port COM1 RS-232 (CN22)
Pin Signal
1 NRLSD1
2 NRXD1
3 NTXD1
4 NDTR1
5 GND
LCD Backlight Power Connector (CN25)
CN25 enables power transmission when connected from the main-
board to the LCD panel for backlight lighting. Refer to the pin de-
finitions below:
Pin
1
2
3
4
5
Signal
+12V ENB
GND
N/C
N/C
+5V ENB
Pin Signal
6 NDSR1
7 NRTS1
8 NCTS1
9 NRI1
10 GND
MB-668 Installation Guide 27