West Penn Wire Blog

What is Power Over Ethernet?

Posted by Samantha Bante on Jul 31, 2018 10:00:00 AM

You have probably heard of Power over Ethernet or (PoE). This is a technology that allows networking cables to carry electrical power. They supply electricity to networking, AV, and computers that are powered by ethernet cables. Also, can reduce the number of materials needed because they combine data and power into one single cable. 

Why would you want to use PoE cables?

Power over Ethernet (PoE) cables are a way to cut down on installation costs and increase reliability. They were designed for use of portable and wireless electronic devices like VoIP phones, conference room equipment, and webcams.network-1572617_1920

What are some of the benefits?

  • Flexible- Very easy to maintain especially when working on larger projects. Set up time is shorter and you don't have to hire an electrician to run cable to do the same type of job as an ethernet cable can. 
  • Safe- Protects networking equipment from overloading or under-powering 
  • Accessible- Allow networking devices to be installed in areas where outlets are not within reach- such as ceilings or wall spaces. 

Which devices use PoE?

  • VoIP
  • IP Cameras 
  • Wireless access points

How do I make the change?

PoE switches allow you to connect other devices that Power over Ethernet injections built within. How it works is you connect network devices, as usual, the switch will decipher if they are PoE compatible. These switches can suit all applications from low to high depending on the application. 

Tip: The Type of cabling used can affect how the heat within the cable is controlled and impacts performance. Both Category 5e and all Category 6 cables are recommended because they support PoE devices


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Topics: ethernet, networking, IT, network

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