\\ More than 3500 Telecom abbreviations maintained by Ioan (Nini) Indreias // 1 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 All words FA Favourite Area FABS Flexible Automated Billing System FACCH Fast ACCH (GSM) FACS Facility Assignment and Control System FAQ Frequently Asked Question FAS Frame Alignment Sequence (T-1) FAS Frame Alignment Signal FAT File Allocation Table FAT File Allocation Table (Operating Systems) FAW Frame Alignment Word FAX facsimile FB Framing Bit FB Frequency Correction Burst FBWA Fixed Broadband Wireless Access FCAPS Fault, Configuration, Accounting, Performance and Security (OAM) FCC Federal Communications Commission FCC Forward Control Channel FCCH Frequency Correction Channel (GSM) FCDR Fast CDR Handler FCFS First Come First Served FCIF Full Common Intermediate Format FCRAM Fast Cycle RAM FCS Frame Check Sequence FCS Frame Check Sequence (Data Link Protocols) FDA Food and Drug Administration FDD Frequency Division Duplex FDDI Fiber Distributed Data Interface FDDI Fiber Distributed Data Interface (ANSI) FDF Fiber Distribution Frame FDI Feeder Distribution Interface FDL Facility Data Link FDLC Fujitsu Digital Loop Carrier FDM Frequency Division Multiplexer FDM Frequency Division Multiplexer/Multiplexing FDMA Frequency Division Multiple Access FDX Full-Duplex FE Fast Ethernet FE Frame synchronization bit error Event FE Front-end FEA Federal Executive Agencies FEAC Far End Alarm and Control FEAL Fast Encryption ALgorithm FEBE-f Far End Block Error Count-fast data FEBE-i Far End Block Error Count-interleaved data FEBE Far End Block Error FEC Forward Error Correction FECC-f Forward Error Correction Count-fast data FECC-i Forward Error Correction Count-interleaved data FECC Far-End Camera Control FECN Forward Explicit Congestion Notification FECN Forward Explicit Congestion Notification (LAPF) FEH Fatal Exception Handler FEIP Fast Ethernet Interface Processor (Cisco) FELB Far End Loop Back FEP Front End Processor FEP Front End Processor (IBM) FEPS Facility and Equipment Planning System FERF Far End Receive Failure FET Field Effect Transistor FEX Foreign EXchange FEXT Far-End Cross Talk FFOL FDDI Follow-On LANs FFS For Further Study FG Feature Group FG Frame Ground FGD Feature Group D FGD Feature Group D (protocol to transmit MIN and PIC for cellular) FH-CDMA Frequency Hopping CDMA FH Fiber Hub FH Frame Handler FH Frequency Hopping FHSS Frequency Hopping Spread Spectrum FI Facility Identification FIB Forward Indicator Bit (SS7) FIBR Forward Indicator Bit Received FIBT Forward Indicator Bit to be Transmitted FIBX Forward Indicator Bit eXpected FIC Frame Identification Code FICON Fiber Connectivity FID Feature Identification code FID Field IDentifier FID Format Identification (SNA) FIFO First In First Out FIFO First In, First Out FIP FDDI Interface Processor (Cisco) FIPS Federal Information Processing Standards FIRP Federal Internetworking Requirements Panel FISU Fill-In Signal Unit (SS7) FITL Fiber In The Loop FLL Fixed Loss Loop FLM Fiber Loop Multiplexer FLTL Full Line Terminal FM Frequency Modulation FM Function Management FMC Fixed Mobile Convergence FN Fiber Node FN Frame Number (GSM) FNPRM Further Notice of Proposed Rulemaking FNS Feature Node Services FO Fiber Optics FOC Firm Order Confirmation FOD Fax On Demand FoIP Fax Over Internet Protocol FOIRL Fiber Optic Inter-Repeater Link FOT Fiber Optic Terminal FOTS Fiber Optic Transmission System FOTS Fiber Optics Transmission System FPLMTS Future Public Land Mobile Telecommunications System FPM Fast Page Mode FPP Flexible Pricing Plan FPS Fast Packet Switching FPS Framing Pattern Sequence FPU Floating Point Unit FQDN Fully Qualified Domain Name FQPCID Fully Qualified Procedure Correlation Identifier FR-PVC Frame Relay Permanent Virtual Connection FR-SSCS Frame Relay Service Specific Convergence Sub-layer FR Frame Relay FRA Fixed Radio Access FRA Fixed Radio Access (WLL) FRAC Frame Aligner Circuit FRAD Frame Relay Access Device FRAD Frame Relay Access Device (Cisco) FRAD Frame Relay Assembler/Disassembler FRAS Frame Relay Access Support (Cisco) FRASM Frame Relay Access Service Module FRD Feature Request Document FRF-LMI Frame Relay Forum-Local Management Interface FRF Frame Relay Forum FRL Facility Restriction Level FRMR Frame Reject (HDLC) FRP Fragmentation Protocol (VINES) FRS Frame Relay Service FRS Frame Relay Switch FRSS Frame Relay Switching System FRTS Frame Relay Traffic Shaping FS Feature Server FS Frame Status FSA Fiber Serving Area FSD Feature Specific Document FSDPSK Filtered Symmetric Differential Phase Shift Keying FSIP Fast Serial Interface Processor (Cisco) FSK Frequency Shift Keying FSL Flexible Service Logic FSM Finite State Machine FSMO Flexible Single-Master Operation FSN Forward Sequence Number (SS7) FSOQ Frequency Shift Offset Quadrature Modulation FSS Facility Selective Service FSS Fixed Satellite Service FSSRP Fast Simple Server Redundancy Protocol FST Fast Sequenced Transport (Cisco) FT1 Fractional T1 FTA Federal Telecommunications Act of 1996 FTAM File Transfer Access & Management FTAM File Transfer, Access and Management (ISO) FTC Fault Tolerance Controller FTE Full Time Equivalent FTP File Transfer Protocol FTP File Transfer Protocol (IETF) FTSC Federal Telecommunications Standards Committee FTTC Fiber To The Curb FTTH Fiber To The Home FTTL Fiber To The Loop FTTN Fiber To The Neighborhood FUNI Frame User-Network Interface (ATM) FUT Friendly User Trial FX Foreign Exchange FXO Foreign Exchange Office FXS Foreign Exchange Station FXS Foreign Exchange Subscriber/Station SMBZ - SaMBoZaur - test for propagation of define: