Industrial power over Ethernet (POE) & POE++ IEEE 802.3 Layer-2,Layer-3 industrial switches Transmits power and data over Ethernet networks Recovery time < 30ms over 250 units of connection MSTP(RSTP, STP compatible) for Ethernet redundancy P.S.E fully compliant with IEEE 802.3at standard, provides up to 30W per port Supports power up to 120W Managed, Unmanaged, SM, MM FO, Giga Ports available Din-rail and wall mount design C1D2 Approved.