User`s guide

Hardware Installation • 11
JP2 on Main Board: Flat Panel Voltage Selection
JP2 (main board) Setting Function
1 3
Pin 1-2
Short/Closed
Flat Panel
VDD = +3.3V
1 3
Pin 2-3
Short/Closed
Flat Panel
VDD = +5V
JP1 on Daughter Board: Clear CMOS Content
JP1 (daughter board) Setting Function
1 3
Pin 1-2
Short/Closed
Clear CMOS
Content
1 3
Pin 2-3
Short/Closed
Normal Operation
JP2~4 on Daughter Board: Select COM2 Type
Type JP2 JP3 JP4
RS-232
1-3
2-4
1-2
1-3
2-4
RS-422
3-5
4-6
3-4
3-5
4-6
RS-485
3-5
4-6
5-6
3-5
4-6