Hardware installation serial ports – DFI SR330-N User Manual
Page 33
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33
2
Hardware Installation
Serial Ports
COM 2
COM 1
W
COM 3
COM 4
DCD-
TD
RD
DTR-
GND
RTS-
DSR-
CTS-
RI-
2
2
2
2
2
1
1
1
1
1
9
9
9
9
9
RXD+
N. C.
RXD-
2
2
2
2
2
1
1
1
1
1
9
9
9
9
9
N. C.
N. C.
N. C.
N. C.
N. C.
N. C.
DATA+
N. C.
DATA-
2
2
2
2
2
1
1
1
1
1
9
9
9
9
9
N. C.
N. C.
N. C.
N. C.
N. C.
N. C.
RS232
RS485
RS422
Half Duplex
DCD-
TD
RTS-
RI-
RD
DTR-
DSR-
CTS-
GND
1 2 3 4 5
6 7 8 9
RS232
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