User`s manual
INSTALLATIONS
MI801 User’s Manual 9
JP1: LCD Brightness Control Signal Level [MI801F]
JP1 Setting Panel Voltage
Open
3.3V level
Close
5V level
JP2: LCD Panel Power Selection[MI801F]
JP2
LCD Panel Power
3.3V
5V
JP4, JP6, JP7: RS232/422/485 (COM1) Selection [MI801F]
COM1
Function
RS-232 RS-422 RS-485
Jumper
Setting
(Pin closed)
JP4:
1-2
JP6:
3-5 & 4-6
JP7:
3-5 & 4-6
JP4:
3-4
JP6:
1-3 & 2-4
JP7:
1-3 & 2-4
JP4:
5-6
JP6:
1-3 & 2-4
JP7:
1-3 & 2-4
JP5: COM2 RS232 RI/+5V/+12V Power Setting
JP5 Setting Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI
Pin 5-6
Short/Closed
+5V