Ethernet Switches: Managed vs. Unmanaged for PROFINET

PROFINET offers a variety of possible topologies: tree, line, ring, star, etc. Nearly all PROFINET devices have two ports on them, and behind these two ports, there is an integrated switch which allows the creation of a line topology as shown. Star topologies may be more efficient solutions in some cases and for that, you have dedicated Ethernet switches. Switches come in two broad flavors: managed and unmanaged. Even though you may be able to use both in a PROFINET network, they are very different. Read this White Paper to understand their differences and make an informed decision of which may be the best for your application.

iStock_000016092648XSmallTable of Contents

  1. Introduction
  2. Requirements
  3. Unmanaged switches
  4. Managed switches
  5. Advanced features
  6. Profinet media redundancy
  7. Summary

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