Quatech SDS User's Manual
Signals:
RJ-45:
DB-9:
October 2006
View looking into
the connector
RS-232
Pin #
RS-422/485 signal,
signal
4-wire mode
RI
1
TxD–
RTS
2
AuxOut+
DTR
3
AuxOut–
GND
4
GND
TxD
5
TxD+
RxD
6
RxD+
DCD
7
AuxIn–
DSR
8
RxD–
CTS
9
AuxIn+
N/C
10
N/C
View looking into
the connector
RS-232
Pin #
RS-422/485 signal,
signal
4-wire mode
DCD
1
AuxIn–
RxD
2
RxD+
TxD
3
TxD+
DTR
4
AuxOut–
GND
5
GND
DSR
6
RxD–
RTS
7
AuxOut+
CTS
8
AuxIn+
RI
9
TxD–
940-0183-154
Appendix A
RS-422/485 signal,
2-wire mode
Transmit/Receive Data (Data–)
N/C
N/C
Signal Ground (GND)
Transmit/Receive Data (Data+)
N/C
N/C
N/C
N/C
N/C
RS-422/485 signal,
2-wire mode
N/C
N/C
Transmit/Receive Data (Data+)
N/C
Signal Ground (GND)
N/C
N/C
N/C
Transmit/Receive Data (Data–)
Page 85
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