User's Manual

User manual Version 1.2
ABLELink
®
Ethernet-Serial Server
GW21W-MAXI
Copyright © 2003 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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2. Terminal Block Connector
RS-485 only uses RTS/R- and TxD/R+ for data communication while RS-232 or RS-422 uses RTS/R-,
TxD/R+, CTS/T- and RxD/T+ for communicating data.
A.3.2 Power terminal block connector