It offers a simple, economical, high performance solution, compatible with 100M networks. It is very easy to install, and to operate and provides flexibility to improve workgroup performances. All the advantages show that this switch is the best choice to improve the sever efficiency. The 4 PSE ports simultaneously offer data transmit channels and supply power for routers, switches, wireless APs, network telephones, industrial network terminals, IP cameras and other equipments. It provides the power supply to these appliances without the necessity of separate power cables, improves the reliability and simplifies the installation of the Ethernet power system.