User`s manual

26
2
Hardware Installation
COM 2 RS232/RS485 Select
JP5
COM 2
JP5 is used to congure COM 2 to RS232 or RS485.
The pin function of COM 2 will vary according to JP5’s setting.
JP5
DCD-
TD RD
DTR-
GND
1 2 3 4 5
RTS-
RI-
DSR-
CTS-
6 7 8 9
DATA+
N.C. DATA-
N.C.
N.C.
1 2 3 4 5
N.C. N.C. N.C. N.C.
6 7 8 9
COM 2
1-2 On: RS232
(default)
5-6 On: RS485
6
4
2
5
3
1
6
4
2
5
3
1