Complies with IEEE 802.3, 802.3u, 802.3af (PoE) StandardsAuto-Negotiation for 10/100Base-TX Half or Full-Duplex ModeAuto-MDI/MDI-X Function on Copper PortIEEE 802.3x Full Duplex Flow control & Back Pressure in Half DuplexProvides DC 48V Power over RJ-45 Ethernet CableAuto-Detect PoE IEEE 802.3af EquipmentsCompact SizeEasy Installation2-Year Warranty