This SAE-IPE440F-DFI Industrial fast ethernet PoE switch prepare a field that power and data can be feed from a single point, using Power over Ethernet (PoE) over a single cable. Four fast Ethernet ports ,all ports can supply industry-standard IEEE 802.3af/IEEE 802.3at power for every POE standard devices. It provides the ideal combination of affordability and capabilities for entry level networking of industrial, enterprise application which demands industrial, surveillance, IP Phone, IP Camera or Wireless applications, thus helps you create a more efficient workforce.