transceiver ICs Industry standard footprint ROHS -compatible Applications: 10/100 Base-T 1000 Base-T POE Hubs, switches and routers PCs and modems B78476A8246A3 is a surface mount ferrite toroid , case and potting. This quad port POE is a 10/100 Base-T magnetics module. It is compliant with IEEE 802.3af, which describes transmission of