User`s manual

NPort 5100 Series Pinouts and Cable Wiring
A-2
Port Pinout Diagrams
Ethernet Port Pinouts
Pin Signal
1 Tx+
2 Tx-
3 Rx+
6 Rx-
NPort 5110 Serial Port Pinouts
DB9 Male RS-232 Port Pinouts for NPort 5110/5110-T
Pin RS-232
1 DCD
2 RxD
3 TxD
4 DTR
5 GND
6 DSR
7 RTS
8 CTS
NPort 5130 Serial Port Pinouts
DB9 Male RS-422/485 Port Pinouts for NPort 5130
Pin RS-422/2-wire RS-485 4-wire RS-485
1 TxD-(A) ---
2 TxD+(B) ---
3 RxD+(B) Data+(B)
4 RxD-(A) Data-(A)
5 GND GND
6 --- ---
7 --- ---
8 --- ---
NPort 5150 Serial Port Pinouts
DB9 Male RS-422/485 Port Pinouts for NPort 5150
Pin RS-232 RS-422/2-wire RS-485 4-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 --- ---