8
Chapter 2
Hardware Installation
2-1 Jumper Setting
JCOMP1 (4-pin): COM1 Port Pin9 Function Select
(2.54 pitch)
1
3
5
4
6
2
6 4 2
5 3 1
6 4 2
5 3 1
JCOMP1
→
COM1 Port Pin-9
2-4 Closed:
PIN9=RS232;
3-4 Closed:
PIN9=+5V;
4-6 Closed:
PIN9=+12V
JCOMP2/JCOMP3 (4-pin): COM2/3 Port Pin9 Function Select
(2.54 pitch)
1
3
5
4
6
2
6 4 2
5 3 1
6 4 2
5 3 1
JCOMP2
→
COM2 Port Pin-9
JCOMP3
→
COM3 Port Pin-9
2-4 Closed:
PIN9=RS232;
3-4 Closed:
PIN9=+5V;
4-6 Closed:
PIN9=+12V
JCOMP1
JCOMP2
JCOMP3