
30
2
Hardware Installation
1
2
19
COM1/COM2 RS232/Power Select
JP1
JP2
1-3 (RI), 2-4 (DCD) On:
RS232 (default)
3-5 (+5V), 4-6 (+12V) On:
RS232 with power
JP1 and JP2 are used to con
fi
gure COM 1 and COM 2 to pure RS232 or RS232
with power.
The pin function of COM 1 and COM 2 will vary according to JP1’s and JP2’s set-
ting respectively.
JP1 / JP2
6
4
2
5
3
1
6
4
2
5
3
1