All 10/100/1000 Mbps ports on the DGS-1510-28P, DGS-1510-28XMP and DGS-1510-52XMP are PoE-enabled, for powering devices such as IP cameras, VoIP phones and wireless access points. Compliant with IEEE 802.3af and IEEE 802.3at, these models support up to 30W of power output on any particular PoE port.