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IN THIS CHAPTER, YOU WILL LEARN ABOUT THE FOLLOWING:

  • History of PoE
    • Nonstandard PoE
    • IEEE 802.3af
    • IEEE Std 802.3-2005, Clause 33
    • IEEE 802.3at-2009
    • IEEE Std 802.3-2012, Clause 33
  • PoE devices (overview)
    • Powered device (PD)
    • Power-sourcing equipment (PSE)
    • Endpoint PSE
    • Midspan PSE
    • Power-sourcing equipment pin assignments
  • Planning and deploying PoE
    • Power planning
    • Redundancy
    • 802.11n or 802.11ac and PoE

images In this chapter, you will learn about the various ways that an Ethernet cable can be used to provide power to networking devices. Power over ...

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