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George Thomas

This article is provided by Contemporary Controls, written by George Thomas, President of Contemporary Controls.  Contemporary Controls builds on 27 years of design and manufacturing experience with network interface modules, wiring hubs, repeaters, bridges, routers, gateways and analyzers--all with defined life cycles and long-term availability. For more information on Contemporary Controls, please visit their website at: http://www.ccontrols.com
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  • Introduction to Virtual LANs
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    Introduction to Virtual LANs

    A local area network (LAN) is a private network usually confined to one plant. Virtual LANs (VLANs) allow a single physical LAN to be partitioned into several smaller logical LANs. VLANs limit the broadcast domain, improve security and performance and are ideal for separating industrial automation systems from information technology systems.
    By: George Thomas
    07 February, 2003 | 12 minutes
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