Provides power & data connection for up to 4 PoE network devices ; Save time & money by delivering data & power via existing network cables ; For use on desktop or mounted in standard 19 rack ; 10/100 auto-sensing ports automatically detect optimal network speeds ; 4 IEEE 802.3at/af-compliant RJ45 PoE/PoE output ports ; PoE power budget of 70W ; Supports IEEE 802.3at & IEEE 802.3af-compliant PoE devices (wireless access points, VoIP phones, IP cameras) ; Supports IEEE 802.3at/af detection & short circuit, overload & high-voltage protection ; Complies with the IEEE 802.3az (Energy Efficient Ethernet EEE) specification ; All RJ45 ports with Auto-MDIX (auto uplink) support; 3-year warranty;