Mega System Tech RS485, RS232, RS422 manual NET101 DB-9 Pin Assignment, RxD, TxD TxD+

Chapter 1: Introduction

Section 5. NET101 DB-9 Pin Assignment

Fig.4 DB-9 Male

NET101 DB-9 PIN Assignment

	DB-9 Pin No.	RS-232	RS-422	RS-485	RS-485
				Full Duplex	Half-Duplex
1		DCD	RxD-	RxD-
2		RxD	RxD+	RxD+
3		TxD	TxD+	TxD+	TxD+ / RxD+
4		DTR	TxD-	TxD-	TxD- / RxD-
5		GND	GND	GND	GND
6		DSR
7		RTS
8		CTS
9		RI

Fig.5 NET101 DB-9 PIN assignment

NET101 User’s Manual -4-