8
Chapter 2
Hardware Installation
2-1 Jumper Setting
(1)
JMD1 (4-pin): COM1 Port Pin9 Function Select
JMD1
→
COM1 Port Pin-9
6
4
2
3
1
5
5
3
1
2 4 6
1 3 5
2 4 6
2-4 Closed:
RING( Default);
3-4 Closed:
5V;
4-6 Closed:
12V.
(2)
JMD2 (4-pin): COM2 Header Pin9 Function Select
JMD2
→
COM2 Header Pin-9
6
4
2
3
1
5
1 3 5
2 4 6
1 3 5
2 4 6
2-4 Closed:
RING( Default);
3-4 Closed:
5V;
4-6 Closed:
12V.
JMD1
JMD2
