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12
JPCOM1 (4-pin): COM1 Port Pin9 Function Select
JPCOM1
→
COM1 Port Pin-9
6
4
2
3
1
5
1
2
4
6
3
5
2
4
6
1
3
5
2-4 Closed:
RI=RS232(Default);
3-4 Closed:
RI= 5V;
4-6 Closed:
RI= 12V.
JPCOM2 (4-pin): COM2 Header Pin9 Function Select
JPCOM2
→
COM2 Header Pin-9
6
4
2
3
1
5
1
2
4
6
3
5
2
4
6
1
3
5
2-4 Closed:
RI=RS232(Default);
3-4 Closed:
RI= 5V;
4-6 Closed:
RI= 12V.