12
JP7 (4-pin): COM4 Header Pin9 Function Select
JP7
→
COM4
4-6 Closed:
RI= 12V.
6
4
2
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
3
1
5
1 3 5
2 4 6
1 3 5
2 4 6
JP5 (4-pin): COM3 Header Pin9 Function Select
JP5
→
COM3
4-6 Closed:
RI= 12V.
6
4
2
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
3
1
5
1 3 5
2 4 6
1 3 5
2 4 6