11
(7) JP12 (3-pin): RJ-11 VCC 12V/24V Select
2-3 Closed: RJ11 VCC= 24V.
JP12
→
RJ-11 VCC
1-2 Closed: RJ11 VCC= 12V;
1
3
1
3
(8) JP9 (4-pin): COM1 Port Pin9 Function Select
JP9
→
COM1 Port
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