User Manual

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Pin Assignments
Ethernet Port Pinouts
Pin No.
Ethernet
1
Tx+
2
Tx-
3
Rx+
6
Rx-
NPort 5210A—DB9 male (RS-232) port pinouts
Pin No.
RS-232
1
DCD
2
RxD
3
TxD
4
DTR
5
GND
6
DSR
7
RTS
8
CTS
9
–
NPort 5230A—Terminal Block (RS-422/485) port pinouts
Pin No.
RS-422/485-4W
RS-485-2W
1
TxD+(B)
–
2
TxD-(A)
–
3
RxD+(B)
Data+(B)
4
RxD-(A)
Data-(A)
5
GND
GND
NPort 5250A—DB9 male (RS-232/422/485) port pinouts
Pin No.
RS-232
RS-422/485-4W
RS-485-2W
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
–
–
–