32
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
JP1 (for COM1) and JP2 (for COM2) are used to confi gure 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.
JP1/JP2
64
2
64
2
531531
COM 1
COM 2
RS232 RS422
Full Duplex
RS485
COM 1 / COM 2
DCD-
TD
RD
DTR-
GND
12345
RTS-
RI-
DSR-
CTS-
6789
DATA+
N.C.
DATA-
N.C.
N.C.
12345
N.C.
N.C.
N.C.
N.C.
6789
RXD+
TXD+
RXD-
TXD-
N.C.
12345
N.C.
N.C.
N.C.
N.C.
6789
JP1 JP2
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