9
Chapter 2
Hardware Installation
2-1 Jumper Settings
JPCOM1/JPCOM2 (4-pin): COM1/COM2 Header Pin-9 Function Select
(2.0 pitch)
4-6 Closed:
RI= +12V
3-4 Closed:
RI= +5V
2-4 Closed:
RI=RING
1 3 5
2 4 6
6
4
2
1 3 5
6
4
2
1 3 5
JPCOM1
→
COM1 Header Pin-9 VCC
JPCOM2
→
COM2 Header Pin-9 VCC
JP80P (2-pin): Set GPIO_CON
(2.0 pitch)
JP80P
→
Set GPIO_CON
2-3 Closed:
GPIO_CON=
GPIO Port (Default)
1-2 Open:
GPIO_CON=80 Port
1
2
1
2
COM2
COM1
JPCOM1
JPCOM2
2
JP80P