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NET101 User’s Manual -4-
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
Full Duplex
RS-485
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