8
Chapter 2
Hardware Installation
2-1 Jumper Settings
JP1 (4-pin): COM1 Header Pin-9 Function Select
(pitch 2.0mm)
JP1
→
COM1 Header
4-6 Closed:
RI= +12V.
3-4 Closed:
RI= +5V;
2-4 Closed:
RI=RS232;
1 3 5
6
4
2
1 3 5
6
4
2
6
4
2
5
3
1
JP2 (4-pin): COM2 Header Pin-9 Function Select
(pitch 2.0mm)
JP2
→
COM2 Header
4-6 Closed:
RI= +12V.
3-4 Closed:
RI= +5V;
2-4 Closed:
RI=RS232;
1 3 5
6
4
2
1 3 5
6
4
2
6
4
2
5
3
1
COM1
JP1
JP2
COM2
