What is PoE? What Does It Do?


PoE (Power over Ethernet) stands for electricity over the Ethernet protocol. So what is PoE, and what does PoE do

You do not need to connect power cables to many types of PoE-supported network devices such as VoIP phones and IP cameras. In addition, it is possible to provide electrical support to PoE-supported devices with cat5 or cat6 cable. This solution is applied in various ways. Increasing amounts of new PoE devices are produced day by day. In addition, many devices take advantage of PoE technology or are developed by it. If you are interested in what PoE does, where it is it used, and why it is preferred, please continue reading our article to find out what is PoE and its uses.

What is PoE? What are the Usage Areas?

PoE technology complies with the IEEE 802.3af and 802.3at standards set by the Institute of Electrical and Electronics Engineers. This technology manages how network equipment should work to ensure interoperability between devices. Devices with PoE capability are  power supply equipment, powered devices, and sometimes both. In addition, a power-transmitting device is a power supply equipment, while the operating device is a powered device. Also, most power types of equipment are network switches or PoE injectors designed for use with non-PoE switches.

Powered devices, VoIP phones, wireless access points, and IP cameras are examples. “What is PoE, and what does PoE do?” After these questions, the most frequently asked question is: “What are the usage areas of PoE?”.

All network devices that transfer data following Power over Ethernet procedures and receive their feeding needs from the same Cat6 cable are converged on the relevant ports on the PoE switch. The PoE switch transfers the data traffic from these devices to the uplink. Thus, it provides access to the internet or intranet. An example of a device that provides electrical power is IP PoE cameras.

Power over Ethernet (PoE) allows remote or external equipment to be installed without requiring you to connect to AC power. That helps to spread power over more areas without the need to install additional electrical infrastructure or power outlets at every endpoint. In addition, the equipment is supplied without the need for electrical flow. On the other hand, an Ethernet cable is less costly. PoE-based systems are also much more cost-effective, as they are usually installed in buildings.

Why PoE Preferred?

There are many reasons for choosing PoE. These are as follows:

  1. Data transfer with a cable between the switcher and the device is possible with PoE.
  2. The device does not require a separate power setup or connection.
  3. It saves space and is very simple to install.
  4. The remoteness of the electrical power source does not prevent the device from being positioned.
  5. You can move target devices to any place with a LAN cable.
  6. Even if there is a mains failure, the electrical power in the device is guaranteed.
  7. It is also safe as there is no central voltage.
  8. Devices can be shut down or rebooted remotely.
  9. It needs simple configuration and management.

As Refine, we supply products of Lanner Electronics Inc. which is a world leading provider of advanced network devices, embedded computers, virtual platforms, durable industrial hardware design.


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