User`s manual

INSTALLATIONS
MI802 User’s Manual 9
JP1: COM1 RS232 RI/+5V/+12V Power Setting
JP1 Setting Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI*
Pin 5-6
Short/Closed
+5V
JP2: COM2 RS232 RI/+5V/+12V Power Setting
JP2 Setting Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI*
Pin 5-6
Short/Closed
+5V
JP3: LCD Panel Power Selection
JP3
LCD Panel Power
+3.3V*
+5V
JP4: LCD Backlight Power Selection
JP4 Setting Backlight Voltage
1
3
2
4
5
6
Pin 1-2
Short/Closed
+3.3V
Pin 3-4
Short/Closed
+5V
Pin 5-6
Short/Closed
+12V*