ATIS Telecom Glossary Saturday, March 05, 2016

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   Go   Glossary Home Foreword Introduction Normative References Using the ATIS Telecom Glossary Annex A: Informative References

Search Keyword: F F layer FM F region FM blanketing facet erosion FM broadcast translator facility FM capture effect facility assembly FM capture ratio facility code FM improvement factor facility grounding system FM improvement threshold facility group FM threshold effect facility group member FM threshold extension facsimile (FAX) FMC facsimile converter FO facsimile frequency shift followup facsimile picture signal footprint facsimile receiver forbidden character facsimile recorder forced rerouting facsimile signal level foreign exchange (FX) service facsimile transceiver foreign instrumentation signals intelligence (FISINT) facsimile transmitter Forensics fade form fade margin formal proof fading formal security policy model fading distribution formal top-level specification (FTLS) fading margin formal verification fail format fail safe format converter fail soft format structure fail-safe operation Fortran failure fortuitous conductor failure access fortuitous distortion failure control forum fair queuing forward busying fake sector forward channel fall time forward echo false character forward error correction (FEC) false clock forward indicator bit (FIB) false lock forward propagation ionospheric scatter (FPIS) fan out forward recovery fan-beam antenna forward scatter fanout cable forward secrecy FAQ file forward sequence number (FSN) far field forward signal far zone FOT far-end block error (FEBE) four-wire circuit far-end crosstalk four-wire repeater far-end customer interface four-wire terminating set far-end receive failure (FERF) Fourier analysis far-field diffraction pattern fox message far-field radiation pattern FPGA far-field region FPIS Faraday effect fps fast packet switching FR fast select fractal FAT fractional frequency deviation fat client fractional frequency fluctuation fault fractional frequency offset fault management fractional T1 fault protection subsystem fragmentation fault tolerance frame FAX frame alignment FC frame check sequence (FCS) FCAPS frame duration FCC frame frequency FCC frame grabber FCC registration program frame matching FCS frame overhead FDD frame pitch FDDI frame rate FDDI-2 frame relay FDHM frame relaying protocol data unit (FPDU) FDM frame relaying service data unit (FSDU) FDMA frame size FDT frame slip FDX frame synchronization FE frame synchronization pattern feature code frame-alignment recovery time FEC frame-alignment signal FECM frame-alignment time slot Federal Communications Commission frame-rate conversion Federal Information Processing Standard (FIPS) [State and County Codes] framed interface Federal Networking Council (FNC) framing Federal Telecommunications System (FTS) framing bit Federal Telecommunications System 2000 service framing signal feed Fraunhofer diffraction pattern feed-forward path Fraunhofer region feedback free net feedback path free routing feeder echo noise free space feeder link free-running capability Fence free-space coupling fence penetrability free-space loss FEP freenet Fermat's principle freeware FET photodetector freeze frame fetch protection freeze frame television fiber freeze-out fiber amplifier freeze-out fraction fiber axis frequency fiber bandwidth frequency accuracy fiber buffer frequency aging fiber cable frequency allocation fiber cutoff wavelength (cf) frequency allotment fiber dispersion frequency assignment fiber distributed data interface (FDDI) frequency assignment authority fiber optic bus frequency averaging fiber optic cable frequency band fiber optic isolator frequency band allocation fiber optic link frequency coherence fiber optics (FO) frequency compatibility fiber pigtail frequency departure Fiber-to-the-Curb (FTTC) frequency deviation Fiber-to-the-Node (FTTN) frequency dispersal Fiber-to-the-Premises (FTTP) frequency displacement fidelity frequency distortion FidoNet frequency diversity field frequency drift field intensity frequency fluctuation field strength frequency flutter field tag frequency frogging field wire frequency guard band field-disturbance sensor frequency hopping FIFO frequency hour file frequency instability file ACL class frequency lock file archive frequency modulation (FM) file name extension Frequency of Optimum Traffic (FOT) file other class Frequency of Optimum Transmission (FOT) file privilege attribute frequency offset file privilege flag frequency prediction file privilege state frequency range file protection frequency response file security frequency response curve file server frequency scanning file site frequency sharing file transfer frequency shift File Transfer Protocol (FTP) frequency source file transfer, access, and management (FTAM) frequency spectrum file-oriented applications frequency spectrum congestion fill frequency stability fill bit frequency standard fill device frequency synthesizer fill-in area frequency tolerance fill-in signal unit (FISU) frequency translation filled cable frequency-analysis compaction FILO frequency-change signaling filter frequency-derived channel filtered symmetric differential phase-shift keying (FSDPSK) frequency-division multiple access (FDMA) final trunk group frequency-division multiplexing (FDM) finger frequency-exchange signaling finished call frequency-hopping spread spectrum FIP frequency-shift keying (FSK) FIP equipment frequency-shift modulation FIP system frequency-shift signaling FIPS frequency-shift telegraphy FIREFLY frequently asked questions firewall Fresnel diffraction pattern firmware Fresnel reflection first window Fresnel zone first-in first-out (FIFO) front-end noise temperature first-in last-out (FILO) front-end processor (FEP) first-route traffic front-end security filter FISINT front-to-back ratio five-hundred (500) service FSAN fixed access FSDPSK fixed attenuator FSK fixed loop FTAM fixed microwave auxiliary station FTP fixed service (FX) FTP archive fixed station FTP mail fixed storage FTS fixed-reference modulation FTS2000 fixed-satellite service FTS2001 fixed-tolerance-band compaction FTTC flag FTTH flag sequence FTTN flame FTTP flash FTTx flash card full carrier flash feature full carrier single-sideband emission flash memory card full duration at half maximum (FDHM) FLASH message full load level (FLL) flash signal full modulation flat fading full processing flat rate service full width at half maximum (FWHM) flat weighting full-duplex (FDX) circuit flaw full-duplex (FDX) operation flaw hypothesis methodology full-motion operation Fleming's rule fully connected mesh network flexible disk fully connected topology flicker fully intermateable connectors flip-flop fully qualified domain name (FQDN) float operation function signal floating functional component (FC) floating head functional profile floating-point coding compaction functional signaling flood projection functional signaling link flood search routing functional testing flooding functional unit flooding compound functionality floppy disk functionality class flops fundamental flow control fundamental mode flow control procedure furcate flow diagram fuse flowchart fused silica flowline fusion FLUTE fusion splice flutter FVOD flux FW flying head FW/NAT flywheel effect FWHM flywheeling FX

These definitions were prepared by ATIS Committee PRQC   For more information on the work related to these definitions, please visit the ATIS website and the ATIS Document Center