11
(7) JP12 (3-pin): INVERTER2 VCC 12V/5V Select
JP12
JP12
1
3
1
3
1-2 closed：Inverter2
VCC
=12V (default);
2-3 closed：Inverter2
VCC
=5V
(8) JP14 (6-pin): COM1 Port Pin9 Function Select
3-4 closed : +12V;
JP14
1
1-2 closed: RS232;
1
1
5-6 closed : +5V