IBASE MI890 User Manual
Page 12
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![background image](/files/790308/content/doc012.png)
INSTALLATIONS
8
MI890 User’s Manual
JP1: LCD Panel Power Selection
1 .
JP1
LCD Panel Power
3.3V
5V
JP3, JP4, JP5: RS232/422/485 (COM1) Selection
COM1
Function
RS-232
RS-422
RS-485
Jumper
Setting
(pin closed)
JP5:
1-2
JP3:
3-5 & 4-6
JP4:
3-5 & 4-6
JP5:
3-4
JP3:
1-3 & 2-4
JP4:
1-3 & 2-4
JP5:
5-6
JP3:
1-3 & 2-4
JP4:
1-3 & 2-4
JP7, JP9: COM4 RS232 RI/+5V/+12V Power Setting
JP7/JP9
Setting
Function
Pin 1-2
Short/Closed
+12V
Pin 3-4
Short/Closed
RI
Pin 5-6
Short/Closed
+5V
JP11: Clear CMOS Setting
JP11
Function
Normal
Clear CMOS
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