Glossary Technology evolves at a rapid-fire pace. That’s why we’ve built an easy-to-use glossary to help you better understand the terms, technologies and trends that impact your business. Show only animated 0-9 A B C D E F G H I J K L M N O P Q R S T U V W X Y Z f/s Far Field Region Far-End Crosstalk (FEXT) FAS Fast Ethernet Fast Link Pulse (FLP) Fault Management FBR FBT FC FC-0 FC-1 FC-2 FC-AL FC-PH FC-SW FCC FCP FCS FDD FDDI FDH FDM FDR FDT FDX FEBE FEC Feeder Network FEXT FFT FGT Fiber Cable Fiber Characterization Fiber Distributed Data Interface (FDDI) Fiber Distribution Hub (FDH) Fiber Monitoring Fiber-to-the-Antenna Fiber-to-the-Building (FTTB) Fiber-to-the-Cabinet (FTTCab) Fiber-to-the-Curb (FTTC) Fiber-to-the-Home (FTTH) Fiber-to-the-Node (FTTN) Fiber-to-the-Premises (FTTP) Fiber-to-the-x (FTTx) Fibre Channel (FC) Fibre Channel Protocol (FCP) Fibre Channel Switched Fabric (FC-SW) FICON Field intensity Field-Programmable Gate Array (FPGA) File Transfer Protocol (FTP) Filtering Filtering Rate FL_Port FLOGI Flow Control FM FMC FO Forward Error Correction (FEC) Forwarding Forwarding Rate FOTS FP FPGA FR1 FR2 Frame Frame Bursting Frame Check Sequence (FCS) Frame Relay Free Space Loss Frequency Frequency-Division Multiplexing (FDM) Fresnel Reflection FSAN FSK FSO FTFL FTP FTTA FTTB FTTC FTTCab FTTD FTTdp FTTH FTTH Council FTTH Testing FTTN FTTP FTTx Full-Duplex Full-stack assurance Fundamental Fusion Splice FUT FWA FWHM