Special Feature : Auto-detects the required power supply; Plug and Play, no configuration required; Expands network to areas with no power lines or outletsInterface : 2 10/100/1000Mbps RJ45 Port; AUTO Negotiation/AUTO MDI/MDIX; 1 48VDC POWER INPUT PORTBasic Function : Compatible With IEEE 802.3af Compliant PDs; Delivers Power Up To 100 Meters; Auto-Determine The Necessary Power RequirementsPower Supply : 15.4W (Max. 48VDC)