6
Chapter 2
Hardware Installation
2-1 Jumper Settings
JCOM1 (4-pin): COM1 Port Pin9 Function Select
JCOM1
→
COM1 Port Pin-9
4-6 Closed:
RI= 12V.
1
3
5
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
4
6
2
1
3
5
4 2
6
2
4
6
1
3
5
JCOM2 (4-pin): COM2 Port Pin9 Function Select
JCOM2
→
COM2 Port Pin-9
4-6 Closed:
RI= 12V.
1
3
5
3-4 Closed:
RI= 5V;
2-4 Closed:
RI=RS232;
4
6
2
1
3
5
4 2
6
2
4
6
1
3
5
JCOM3 (4-pin): COM3 Header Pin9 Function Select
JCOM3
→
COM3 Header Pin-9
6
4
2
3
1
5
6
4
2
1
3
5
6
4
2
1
3
5
2-4 Closed:
RI=RS232;
3-4 Closed:
RI= 5V;
4-6 Closed:
RI= 12V;
JCOM4 (4-pin): COM4 Header Pin9 Function Select
JCOM4
→
COM4 Header Pin-9
6
4
2
3
1
5
6
4
2
1
3
5
6
4
2
1
3
5
2-4 Closed:
RI=RS232;
3-4 Closed:
RI= 5V;
4-6 Closed:
RI= 12V;
JCOM2
COM3
COM4
JCOM1
JCOM3
JCOM4
