Networking

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PoE

Jan 4, 2016, 11:47 AM

Put IT where you need it, without installing power.

Power over Ethernet (PoE) is an economical solution that carries both data and power over the same Ethernet cable.

PoE Benefits:

  • Flexibility. Use 4-pair twisted-pair cable for both data and low-wattage appliances.
  • Convenience. Power distant devices in hard-to-reach areas and areas that aren't near a power outlet.
  • Time/cost savings. Eliminate the need to run electrical wiring.
  • Ease of use. Install and move devices with minimal disruption.
  • Safety. Protect devices from power failures.

PoE Applications:

  • Building management systems.
  • Retail kiosks.
  • Remote monitoring.
  • Security cameras.
  • Smart signs.
  • VoIP phones.
  • Wireless access points.

PoE Devices:

  • PSEs (Power Sourcing Equipment), which include end-span and mid-span injectors and switches, provide power to PDs over the Ethernet cable.
  • PDs (Powered Devices) are pieces of equipment like surveillance cameras, sensors, wireless access points, and any other devices that operate on PoE.
  • PoE devices are basically plug-and-play. Because they talk to each other, you don't have to worry about accidentally sending power to non-PoE devices.

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