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The Use of Surge Protection Devices in IEEE 802.3at (PoE+) Applications

The Use of Surge Protection Devices in IEEE 802.3at (PoE+) Applications

Key concepts:

  • New IEEE Standard 802.3at (or PoE+) offers improved power management and increases the amount of power that can be used in Ethernet-powered devices
  • PoE+ can be used in a wider variety of applications than the original PoE
  • Identifying the main SPD features needed for successful deployment of PoE in open-air, unshielded environments

This paper will present an overview of the 802.3at standard and review potential new applications for 802.3at, including pan-tilt-zoom (PTZ) security cameras, advanced feature IP phones, WiFi access points, and smart grid monitoring controllers.  It will also explain the use and application of surge protective devices (SPDs) in the protection of PoE+ Ethernet devices in open-air, unshielded environments.

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