User`s manual

25
2
Hardware Installation
COM 2 RS232/RS422/RS485 Select
JP5
1-2 On: RS232
(default)
3-4 On: RS422
Half Duplex
5-6 On: RS485
64
2
531
JP5 is used to congure COM 2 to RS232, RS422 (Half Duplex) or RS485.
The pin function of COM 2 will vary according to the jumper’s setting.
6
1
5
2
JP5
COM 2
64
2
64
2
531
531
1 9
2
DCD-
TD
RD
DTR-
GND
RTS-
DSR-
CTS-
RI-
1 9
2
RXD+
N.C.
RXD-
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
1 9
2
DATA+
N.C.
DATA-
N.C.
N.C.
N.C.
N.C.
N.C.
N.C.
COM 2