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JP3 (4-pin): COM3 Header Pin9 Function Select
JP4 (4-pin): COM4 Header Pin9 Function Select
JP3
JP3
COM3 Header Pin-9
→
2
4
6
1
3
5
2-4 Closed:
Pin9= RING
(Default);
JP4
JP4
COM4 Header Pin-9
→
2
4
6
1
3
5
2-4 Closed:
Pin9= RING
(Default);
10
2 4 6
2 4 6
1 3 5
1 3 5
3-4 Closed:
4-6 Closed:
Pin9=+5V;
Pin9=+12V.
2 4 6
2 4 6
1 3 5
1 3 5
3-4 Closed:
4-6 Closed:
Pin9=+5V;
Pin9=+12V.
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