TRENDnet 24Port Gigabit 10/100/1000Mbps PoE+ Switch: By providing up to 30W of PoE power and data per port over pre-existing Ethernet cables, TRENDnet's Unmanaged Gigabit PoE+ Switches allow installers and integrators to save money on equipment costs and shorten installation times. PoE technology allows users to deliver both data and power using a single set of cables.