
User manual Version 1.3
4-Port DIN-Rail Serial Device Server SE5404D
Copyright © 2011 Atop Technologies, Inc.
All rights reserved. Designed in Taiwan.
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A.3.2.1 DB9 Pin Assignments
The pin assignments of DB9 connector on SE5404D is shown in the following table:
RS-422/4-Wire RS-485
Full Duplex
2-Wire RS-485
Half Duplex
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