User manual

User manual Version 2.3
ABLELink
® Ethernet-Serial Server GW21R
Pin#
RS-232
Full Duplex
RS-485
2 wire, Half Duplex
RS-485
4 wire, Full Duplex
1 DCD N/A N/A
2 RXD N/A N/A
3 TXD
DATA- RXD-
4 DTR N/A (reserved)
TXD-
5 SG (Signal Ground) SG (Signal Ground) SG (Signal Ground)
6 DSR N/A N/A
7 RTS N/A N/A
8 CTS
DATA+
RXD+
9 RI N/A(reserved for Atop
devices)
TXD+
A.3.2 Ethernet Port (RJ-45)
(1). Category 5 UTP cable, 8 core wire.
(2). RJ45 Connector.
(3). RJ45 Pin Assignment
Pin Assignment 568A Definition 568B Definition
Pin1 Green-White Orange-White
Pin2 Green Orange
Pin3 Orange-White Green-White
Pin4 Blue Blue
Pin5 Blue-White Blue-White
Pin6 Orange Green
Pin7 Brown-White Brown-White
Pin8 Brown Brown
Copyright © 2004 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
44 / 54