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Serial Port COM2 (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 COM2 RS-232 (CN22)
Pin
Signal
1
NRLSD1
2
NRXD1
3
NTXD1
4
NDTR1
5
GND
LCD Inverter 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
36 MB-662 User Manual
Signal
+5V ENB
N/C
N/C
GND
+12V ENB
Pin
Signal
6
NDSR1
7
NRTS1
8
NCTS1
9
NRI1
10
GND
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