What Is PoE Switch?

PoE switch is a network switch that provides Power over Ethernet (PoE) functionality, allowing both data and electrical power to be transmitted over a single Ethernet cable. This eliminates the need for separate power supplies for connected devices like IP cameras, wireless access points, VoIP phones, and other powered devices (PDs). PoE switches come in various types, including unmanaged, managed, and industrial-grade models, and they adhere to different PoE standards such as 802.3af (PoE), 802.3at (PoE+), and 802.3bt (PoE++), offering power outputs up to 90W.