GV-APOE48W Is a 48-Port 10/100/1000BaseT(X) PoE+ Web Smart PoE Switch with 6 SFP+ uplink ports and supports IEEE 802.3at Power over Ethernet standard. It not only eliminates the need for power cables to connect your powered devices (PD), such as IP cameras, but it also allows power supply over cables up to 250m (820') in length, at 10 Mbps. Perfect for medium or large network environments to strengthen network connection and efficiency, the switch provides exceptionally smart Web management features, including VLAN, QoS, RSTP, IGMP Snooping, LACP, Port Security and more. In addition, GV-APOE4813 gives you the option of installing it in a 19" cabinet with a rack-mount kit or underneath a desk..