User`s manual
29
2
Hardware Installation
COM1/COM2 RS232/RS422/RS485 Select
1-2 On: RS232
(default)
3-4 On: RS422
Full Duplex
5-6 On: RS485
64
2
531
JP5 (for COM1) and JP6 (for COM2) are used to congure the COM ports to
RS232, RS422 (Full Duplex) or RS485.
The pin function of the COM ports will vary according to the jumper’s setting.
JP5 / JP6
64
2
64
2
531 531
COM 1
COM 2
JP5 JP6
RS232 RS422
Full Duplex
RS485
COM 1 / COM 2
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
RXD+
TXD+
RXD-
TXD-
N.C.
1 2 3 4 5
N.C.
N.C.
N.C.
N.C.
6 7 8 9