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JPCOM1 (4-pin): COM1 Port Pin9 Function Select
JPCOM2 (4-pin): COM2 Port Pin9 Function Select
JPCOM3 (4-pin): COM3 Port Pin9 Function Select
1
3
5
2
4
6
6
4
2
5
3
1
2-4 Closed:
Pin9=RING(Default);
3-4 Closed:
Pin9 = 5V;
6-4 Closed:
Pin9 = 12V.
2
5
3
1
4
6
JPCOM4 (4-pin): COM4 Port Pin9 Function Select
1
3
4
6
2
6 4 2
5 3 1
6 4 2
5 3 1
5
2-4 Closed:
Pin9=RING(Default);
3-4 Closed:
Pin9 = 5V;
6-4 Closed:
Pin9 = 12V.
JP1 (4-pin): LCD VCC Select
1
3
4
6
2
2-4 Closed:
LV DS VCC = 3.3V ;
3-4 Closed:
LVDS VCC=5V;
4-6 C losed:
LVDS VCC=12V.
6 4 2
5 3 1
6 4 2
5 3 1
5
JP2 (4-pin): LCD Backlight VCC Select
1
3
4
6
2
2-4 Closed:
B acklight=5V ;
3-4 Closed:
B acklight=12V;
4-6 C losed:
Backlight=DCIN.
6 4 2
5 3 1
6 4 2
5 3 1
5
