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