Fully Shielded Telecommunications Outlet/Connector Entirely new interface design to support class F cabling per IEC 61076-3-104. Transmission measurement methods for category 7 and class F specified by ISO/IEC 11801:2002 and 1.0 GHz per ISO/IEC 15018 and ISO/IEC 11801 Ed.2, Amd. 1st draft. Durability rating 750 mating cycles minimum.