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What is power over Ethernet (PoE)?



March 10, 2023 at 04:30PM

Power over Ethernet (or PoE) is the delivery of electrical power to networked devices over the same Ethernet cabling that connects them to the LAN. This simplifies the devices themselves by eliminating the need for an electric plug and power converter, and makes it unnecessary to have separate AC electric wiring and sockets installed near each device.

Many enterprises have come to rely on PoE to bring electricity over existing data cables to Wi-Fi access points, firewalls, IP phones, and other infrastructure throughout their networks.

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