User Manual

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NOTE
For security-related configuration, please refer to the manual’s
Cybersecurity Considerations chapter.
NOTE
For the NPort with DB Male serial ports, you may refer to the
DB9 Male Ports pin assignment section to loop back pin 2 and
pin 3 for the RS
-232 interface to carry out a self test on the
device.
Pin Assignments and Cable Wiring
RJ45 Ports (NPort 5610-8-DT-J, 5650-8-DT-J)
Pin RS-232
RS-422
4-wire RS-485
2-wire RS-
485
1
DSR
–
–
2
RTS
TxD+
–
3
GND
GND
GND
4
TxD
TxD-
–
5
RxD
RxD+
Data+
6
DCD
RxD-
Data-
7
CTS
–
–
8
DTR
–
–
NOTE
The NPort 5610-8-DT-J supports RS-232 only.
DB9 Male Ports (NPort 5610-8-DT, 5650-8-DT, 5650I-8-DT)
Pin RS-232
RS-422
4-wire RS-485
2-wire RS-
485
1
DCD
TxD-(A)
–
2
RxD
TxD+(B)
–
3
TxD
RxD+(B)
Data+(B)
4
DTR
RxD-(A)
Data-(A)
5
GND
GND
GND
6
DSR
–
–
7
RTS
–
–
8
CTS
–
–
9
–
–
–
NOTE
The NPort 5610-8-DT supports RS-232 only.
RS-232 Cables
NPort
Serial
Device
RJ45
DB9(F)
DB9(M)
DB25(M)
DB25(F)
DSR
1
6
4
6
20
DTR
RTS
2
7
8
4
5
CTS
GND
3
5
5
7
7
GND
TxD
4
3
2
2
3
RxD