Moxa Technologies NPort W2150Plus Series - Serial Port Pin Assignments

NPort W2150/2250 Plus Series User’s Manual Introduction
1-5
Serial Port Pin Assignments
Pin RS-232 RS-422/ RS-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 --- ---
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9 --- --- ---