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Power over Ethernet (PoE) User Guide for EX Series Switches

Use this guide to configure the Power over Ethernet (also known as PoE) feature in Junos OS. PoE permits electric power, along with data, to be passed over a copper Ethernet LAN cable. Powered devices that support PoE—such as voice over IP (VoIP) telephones, wireless access points, video cameras, and point-of-sale devices—can receive power safely from the same access ports that are used to connect personal computers to the network.