Here are the most common telecom acronyms starting with F from the world of computer networking.
← Back to Full Telecom Acronyms| F1F2 | Frequency designations that permit a type of modem to operate over a half-duplex line |
| FAC | Forced Authorization Code |
| FACDAT | Facility Database |
| FACS | Facsimile |
| FACSTAT | Facility Status Report |
| FAD | Facilities Access Digroup |
| FADS | Force Administration Data System |
| FAM | Federal Account Manager |
| FANASD | Federal and National Accounts Systems Development |
| FANASID | Federal and National Account System Development |
| FAP | Facility Analysis Plan |
| FAP | Fortran Assembly Program |
| FAR | Federal Acquisition Regulation |
| FARM | Facilities Access Routing Model |
| FAST | Field Assistance Support Team |
| FAX | Facsimile |
| FBI | Federal Bureau of Investigation |
| FC | Facility Code |
| FC | Facility Code |
| FC | Feature Control |
| FCA | Farm Credit Administration |
| FCC | Federal Communications Commission |
| FCFS | First Come First Served |
| FCG | False Cross and Ground |
| FCN | Facility Completion Notice |
| FCO | Field Change Order |
| FCR | Facilities Change Request |
| FCS | Financial Control System |
| FCS | Frame Check Sequence |
| FD | Functional Description |
| FDA | Food and Drug Administration |
| FDDI | Fiber Distributed Data Interface |
| FDL | Facility Data Link |
| FDM | Frequency Division Multiplexing |
| FDMA | Frequency Division Multiple Access |
| FDX | Full Duplex (transmission) |
| FE | Format Effectuation |
| FEC | Forward Error Correcting |
| FECN | Forward Explicit Congestion Notification |
| FED-STD | Federal Standard |
| FEL | Facility Engineering Letter |
| FEMA | Federal Emergency Management Agency |
| FEP | Front End Processor |
| FET | Field-Effect Transistor |
| FET photodetector | A photodetector employing photogeneration of carriers in the channel region of an FET structure to provide photodetection with current gain |
| FF | Flip-Flop |
| FFP | Firm Fixed Pricing |
| FFT | Fast Fourier Transform |
| FFU | Fuse/Filter Unit |
| FG | Feature Group |
| FGA | Feature Group A |
| FGB | Feature Group B |
| FGC | Feature Group C |
| FGND | Frame Ground |
| FHD | Fixed-Head Disk |
| FIDB | Facilities Interface Data Bus |
| FIFO | First In/First Out |
| FIG | Ignore Flash |
| FIINA | Forum for Irregular International Network Access |
| FIN | Finance Department |
| FIPS | Federal Information Processing Standard |
| FIPS PUB | Federal Information Processing Standards Publications |
| FIR | Fault Indication Register |
| FIRMR | Federal Information Resources Management Regulation(s) |
| FIRST | Forum for Incident and Response Security Teams |
| FIS | Fault Isolation System |
| FIS | Field Information System (Food and Drug Administration) |
| FIT | Failure in Time (1 FIT = 1 failure in 109component operating hours) |
| FIU | Facilities Interface Unit |
| FIVE | Feature Interactive Verification Environment |
| FL | Fault Location |
| FM | Frequency Modulation |
| FMC | Federal Maritime Commission |
| FMR | Force Management Reports |
| FMS | Facilities Management System |
| FMS | Facilities Management System |
| FMS | Fortran Monitor System |
| FMSC | Foreign Military Sales Contracts |
| FNCC | Fiber Network Control Center |
| FNPA | Foreign Numbering Plan Area |
| FNPACONT | Foreign Numbering Plan Area Control (Software) |
| FNT | Free Number Terminating |
| FO | Fiber Optics |
| FOB | Federal Office Building |
| FOB | Freight on Board |
| FOC | Fiber Optic Communications |
| FON | Fiber Optic Network |
| FORTRAN | Formula Translation (language) |
| FOS | Foreign Operating System |
| FOSDIC | Film Optical Sensing Device for Input to Computers |
| FOSM | Foreign Operating System Manager |
| FOT | Fiber Optic Terminal |
| FOTS | Fiber Optic Transmission System |
| FOX | Fiber Optic Extender |
| FPAP | Floating Point Array Processor |
| FPC | Foundation Peripheral Control |
| FPIS | Forward Propagation Ionospheric Scatter |
| FPLA | Field Programmable Logic Array |
| FPM | Foundations of Effective Project Management |
| FPMR | Federal Property Management Regulations |
| FPR | Federal Procurement Regulations |
| FPS | Feature Planning Specification |
| FPS | Floating Point Systems |
| FPS | Forms Processing System |
| FR | Flat Rate |
| FRAC | Frame Relay Access Code |
| FRAF | Frame Relay Access Facility |
| FRD | Final Requirements Document (IS) |
| FRDC | Florida Regional Data Center |
| FRIC | Frame Relay Interface Code |
| FRL | Facility Restriction Level |
| FRR | Field Receiving Report |
| FRSI | Frame Relay Switching Interface |
| FS | Functional Schematics |
| FSAC | Field Service Administration Center |
| FSD | Feature Specification Document |
| FSD | Feature Specification Document |
| FSG-xx | Federal Supply Catalog Group |
| FSK | Frequency Shift Keying |
| FSM | Field Service Manager |
| FSM | Finite State Machine |
| FSO | Field Support Operations |
| FSP | Frame Supervisory Panel |
| FSP | Frequency Shift Pulsing |
| FSR | Frequency Selective Ringing |
| FSS | Federal Supply Service (GSA) |
| FST | Factory System Testing |
| FSTS | Federal Secure Telephone Service |
| FSWC | Field Service Work Center |
| FTAC | Federal Technical Assistance Center |
| FTAC | Fiber Technical Assistance Center (NOCC) |
| FTAM | File Transfer and Access Methods |
| FTAS | Fiber Technical Assistance Support (NOCC) |
| FTMP | Fault Tolerant Multiprocessor System |
| FTMS | FTS-2000 Translations Management System |
| FTP | File Transfer Protocol |
| FTR | Files Referenced |
| FTS | Federal Telecommunications System |
| FTS | Federal Telephone System |
| FTS | File Transfer System |
| FTS 2000 | Federal Telecommunications System 2000 |
| FTSC | Fault Tolerant Spaceborne Computer |
| FVO | Field Verification Office |
| FWHM | Full width at half maximum |
| FX | Foreign Exchange |
| FXO | Foreign Exchange Office |
