FED-STD-1037C Appendix A, page 1 APPENDIX A: ABBREVIATIONS and ACRONYMS [Items shown in bold represent term names or abbreviations that are defined in the glossary.] a atto (10 ) –18 Å angstrom A ampere AAR automatic alternate routing AARTS automatic audio remote test set ABCA American, British, Canadian, Australian [armies] ac alternating current ACA automatic circuit assurance ACC automatic callback calling ACD automatic call distributor ac-dc alternating current - direct current ACK acknowledge character ACTS Advanced Communications Technology Satellite ACU automatic calling unit A-D analog-to-digital ADC analog-to-digital converter analog-to-digital conversion ADCCP Advanced Data Communication Control Procedures ADH automatic data handling ADP automatic data processing ADPCM adaptive differential pulse-code modulation ADPE automatic data processing equipment ADPSSO automatic data processing system security officer ADU automatic dialing unit ADX automatic data exchange AECS Aeronautical Emergency Communications System [Plan] AF audio frequency AFC area frequency coordinator automatic frequency control AFNOR Association Français Normal AFRS Armed Forces Radio Service AGC automatic gain control AGE aerospace ground equipment AI artificial intelligence AIG address indicator group address indicating group AIM amplitude intensity modulation AIN advanced intelligent network AIOD automatic identified outward dialing AIS automated information system ASIC application-specific integrated circuits AJ anti-jamming ALC automatic level control automatic load control ALE automatic link establishment ALU arithmetic and logic unit
Transcript
FED-STD-1037C
Appendix A, page 1
APPENDIX A: ABBREVIATIONS and ACRONYMS
[Items shown in bold represent term names or abbreviations that are defined in the glossary.]
a atto (10 )–18
Å angstromA ampereAAR automatic alternate routingAARTS automatic audio remote test setABCA American, British, Canadian, Australian [armies]ac alternating currentACA automatic circuit assuranceACC automatic callback callingACD automatic call distributorac-dc alternating current - direct currentACK acknowledge characterACTS Advanced Communications Technology SatelliteACU automatic calling unitA-D analog-to-digital ADC analog-to-digital converter
analog-to-digital conversionADCCP Advanced Data Communication Control ProceduresADH automatic data handlingADP automatic data processingADPCM adaptive differential pulse-code modulationADPE automatic data processing equipmentADPSSO automatic data processing system security officerADU automatic dialing unitADX automatic data exchangeAECS Aeronautical Emergency Communications System [Plan]AF audio frequencyAFC area frequency coordinator
automatic frequency controlAFNOR Association Français NormalAFRS Armed Forces Radio ServiceAGC automatic gain controlAGE aerospace ground equipmentAI artificial intelligenceAIG address indicator group
automatic message exchangeAMI alternate mark inversion [signal]AM/PM/VSB amplitude modulation/phase modulation/vestigial sidebandAMPS automatic message processing systemAMPSSO automated message processing system security officerAMSC American Mobile Satellite CorporationAMTS automated maritime telecommunications systemANI automatic number identificationANL automatic noise limiterANMCC Alternate National Military Command CenterANS American National StandardANSI American National Standards InstituteAP anomalous propagationAPC adaptive predictive codingAPD, apd, a.p.d. avalanche photodiodeAPI application program interfaceAPL average picture levelAPK amplitude phase-shift keyingARP address resolution protocolARPA Advanced Research Projects Agency [now DARPA]ARPANET Advanced Research Projects Agency NetworkARQ automatic repeat-requestARS automatic route selectionARSR air route surveillance radarARU audio response unitASC AUTODIN Switching CenterASCII American Standard Code for Information InterchangeASN.1 abstract syntax notation oneASP Aggregated Switch Procurement
adjunct service pointASR automatic send and receive
airport surveillance radarAT access tandemATACS Army Tactical Communications SystemATB all trunks busyATCRBS air traffic control radar beacon systemATDM asynchronous time-division multiplexingATE automatic test equipmentATM asynchronous transfer modeATV advanced televisionau astronomical unitAUI attachment unit interfaceAUTODIN Automatic Digital NetworkAUTOSEVOCOM Automatic Secure Voice Communications NetworkAUTOVON Automatic Voice Network
FED-STD-1037C
Appendix A, page 3
AVD alternate voice/dataAWG American wire gaugeAWGN additive white Gaussian noiseAZ azimuth
b bitB bel
bytebalun balanced to unbalancedbasecom base communicationsBASIC beginners' all-purpose symbolic instruction codeBCC block check characterBCD binary coded decimal
binary-coded decimal notationBCI bit-count integrityBd baudB8ZS bipolar with eight-zero substitutionbell BEL characterBER bit error ratioBERT bit error ratio testerBETRS basic exchange telecommunications radio serviceBEX broadband exchangeBIH International Time BureauB-ISDN broadband ISDNbi-sync binary synchronous [communication]bit binary digit BIT built-in testBITE built-in test equipmentBIU bus interface unitBNF Backus Naur formBOC Bell Operating CompanyBPSK binary phase-shift keyingbpi bits per inch
bytes per inchb/s bits per secondb/in bits per inchBPSK binary phase-shift keyingBR bit rateBRI basic rate interfaceBSA basic serving arrangementBSE basic service elementBSI British Standards InstitutionB6ZS bipolar with six-zero substitutionB3ZS bipolar with three-zero substitutionBTN billing telephone numberBW bandwidth
c centi (10 )–2
CACS centralized alarm control systemCAM computer-aided manufacturing
FED-STD-1037C
Appendix A, page 4
CAMA centralized automatic message accountingCAN cancel characterCAP competitive access provider
customer administration panelCARS cable television relay service [station] CAS centralized attendant servicesCASE computer-aided software engineering
computer aided system engineering computer-assisted software engineering
CATV cable TV, cable televisioncommunity antenna television
CBX computer branch exchangeC command and control2
C command, control, and communications3
C CM C countermeasures3 3
C I command, control, communications and intelligence3
CCA carrier-controlled approachCCD charge-coupled deviceCCH connections per circuit hourCCIF International Telephone Consultative Committee [a predecessor to the CCITT]CCIR International Radio Consultative CommitteeCCIS common-channel interoffice signalingCCIT International Telegraph Consultative Committee [a predecessor to the CCITT]CCITT International Telegraph and Telephone Consultative Committee {now ITU-T}CCL continuous communications linkCCS hundred call-secondsCCSA common control switching arrangementCCTV closed-circuit television CCW cable cutoff wavelength cd candelaCD collision detection, compact diskCDF combined distribution frame
cumulative distribution functionCDMA code-division multiple accessCDPSK coherent differential phase-shift keying CDR call detail recordingCD ROM compact disk read-only memoryCDT control data terminalCDU central display unitC-E communications-electronicsCEI comparably efficient interconnectionCELP code-excited linear predictionCEP circular error probableCFE contractor-furnished equipmentcgs centimeter-gram-secondChR channel reliabilityCIAS circuit inventory and analysis systemCIC content indicator codeCIF common intermediate formatCIFAX ciphered facsimile
FED-STD-1037C
Appendix A, page 5
CINC commander-in-chiefciphony ciphered telephony CiR circuit reliabilityC/kT carrier-to-receiver noise densityCLASS custom local area signaling servicecm centimeterCMI coded mark inversionCMIP Common Management Information ProtocolCMIS common management information serviceCMOS complementary metal oxide substrateCMRR common-mode rejection ratioCNR carrier-to-noise ratio
combat-net radioCNS complementary network serviceC.O. central officeCOAM customer owned and maintained equipmentcoax coaxial cableCOBOL common business oriented languagecodec coder-decoderCOG centralized ordering groupCOMINT communications intelligenceCOMJAM communications jammingcompandor compressor-expanderCOMPUSEC computer securityCOMSAT Communications Satellite CorporationCOMSEC communications securityCONEX connectivity exchangeCONUS Continental United StatesCOP Committee of PrincipalsCOR Council of RepresentativesCOT customer office terminalCPAS cellular priority access servicesCPE customer premises equipmentcpi characters per inchcpm counts per minutecps characters per second
cycles per second [deprecated]CPU central processing unit
circuit reliabilityCRC cyclic redundancy checkCRITICOM Critical Intelligence CommunicationsCROM control read-only memoryCRT cathode ray tubec/s cycles per second [deprecated]CSA Canadian Standards AssociationCSC circuit-switching center
common signaling channelCSMA carrier sense multiple access
FED-STD-1037C
Appendix A, page 6
CSMA/CA carrier sense multiple access with collision avoidanceCSMA/CD carrier sense multiple access with collision detectionCSU channel service unit
circuit switching unitcustomer service unit
CTS clear to sendCTX Centrex® [service]
clear to transmitCVD chemical vapor deposition CVSD continuously variable slope delta [modulation]cw carrier wave
composite wavecontinuous wave
CX composite signalingcxr carrier
D* specific detectivityd deci (10 )–1
D(�) dispersion coefficient da deka (10)D-A digital-to-analog
digital-to-analog converterD/L downlink DACS digital access and cross-connect systemDAMA demand assignment multiple accessDARPA Defense Advanced Research Projects Agency [formerly ARPA]dB decibeldBa decibels adjusteddBa(F1A) noise power measured by a set with F1A-line weightingdBa(HA1) noise power measured by a set with HA1-receiver weightingdBa0 noise power measured at zero transmission level pointdBc dB relative to carrier powerdBm dB referred to 1 milliwattdBm(psoph) noise power in dBm measured by a set with psophometric weightingDBMS database management systemdBmV dB referred to 1 millivolt across 75 ohmsdBm0 noise power in dBm referred to or measured at 0TLPdBm0p noise power in dBm0 measured by a psophometric or noise measuring set having
psophometric weightingdBr power difference in dB between any point and a reference pointdBrn dB above reference noisedBrnC noise power in dBrn measured by a set with C-message weightingdBrnC0 noise power in dBrnC referred to or measured at 0TLPdBrn(f -f ) flat noise power in dBrn1 2
dBrn(144-line) noise power in dBrn measured by a set with 144-line weightingdBv dB relative to 1 V (volt) peak-to-peak dBW dB referred to 1 W (watt)dBx dB above reference couplingdc direct currentDCA Defense Communications Agency (now DISA)
FED-STD-1037C
Appendix A, page 7
DCE data circuit-terminating equipmentDCL direct communications linkDCPSK differentially coherent phase-shift keyingDCS Defense Communications SystemDCTN Defense Commercial Telecommunications NetworkDCWV direct-current working voltsDDD direct distance dialingDDN Defense Data NetworkDDS digital data serviceDEL delete characterdemarc demarcation pointdemux demultiplex
demultiplexerdemultiplexing
dequeue double-ended queueDES Data Encryption Standarddetem detector/emitterDFSK double-frequency shift keyingDIA Defense Intelligence AgencyDID direct inward dialingDIN Deutsches Institut für NormungDIP dual in-line packageDISA Defense Information Systems Agency {formerly DCA}DISC disconnect commandDISN Defense Information System NetworkDISNET Defense Integrated Secure NetworkDLA Defense Logistic AgencyDLC digital loop carrierDLE data link escape characterDM delta modulationDMA Defense Mapping Agency
direct memory accessDME distance measuring equipmentDMS Defense Message SystemDNA Defense Nuclear AgencyDNIC data network identification codeDNPA data numbering plan areaDNS Domain Name SystemDO design objectiveDoC Department of CommerceDOD Department of Defense
direct outward dialingDODD Department of Defense DirectiveDODISS Department of Defense Index of Specifications and StandardsDOD-STD Department of Defense StandardDOS Department of StateDPCM differential pulse-code modulationDPSK differential phase-shift keyingDQDB distributed-queue dual-bus [network] DRAM dynamic random access memory
FED-STD-1037C
Appendix A, page 8
DRSI destination station routing indicatorDS digital signal
direct supportDS0 digital signal 0DS1 digital signal 1DS1C digital signal 1CDS2 digital signal 2DS3 digital signal 3DS4 digital signal 4DSA dial service assistanceDSB double sideband [transmission]
Defense Science BoardDSB-RC double-sideband reduced carrier transmissionDSB-SC double-sideband suppressed-carrier transmissionDSC digital selective callingDSCS Defense Satellite Communications SystemDSE data switching exchangeDSI digital speech interpolationDSL digital subscriber lineDSN Defense Switched NetworkDSR data signaling rateDSS direct station selectionDSSCS Defense Special Service Communications SystemDSTE data subscriber terminal equipmentDSU data service unitDTE data terminal equipmentDTMF dual-tone multifrequency [signaling]DTG date-time groupDTN data transmission networkDTS Diplomatic Telecommunications ServiceDTU data transfer unit
data tape unitdigital transmission unitdirect to user
DVL direct voice linkDX signaling direct current signaling
duplex signaling
E exa (10 )18
E-MAIL, e-mail electronic mailEAS extended area serviceEBCDIC extended binary coded decimal interchange codeE /N signal energy per bit per hertz of thermal noiseb 0
EBO embedded base organizationEBS Emergency Broadcast SystemEBX electronic branch exchange
electromagnetic waveENQ enquiry characterEO end officeE.O. Executive OrderEOD end of dataEOF end of fileEOL end of lineEOM end of messageEOP end of program
enhanced satellite capabilityESF extended superframeESM electronic warfare support measuresESP enhanced service providerESS electronic switching systemETB end-of-transmission-block characterETX end-of-text characterEW electronic warfareEXCSA Exchange Carriers Standards Association
f femto (10 )–15
f frequencyFAA Federal Aviation AdministrationFAQ file Frequently Asked Questions fileFAX facsimileFC functional componentFCC Federal Communications CommissionFCS frame check sequenceFDDI fiber distributed data interfaceFDDI-2 fiber distributed data interface–2FDHM full duration at half maximumFDM frequency-division multiplexingFDMA frequency-division multiple accessFDX full duplexFEC forward error correctionFECC Federal Emergency Communications CoordinatorsFED-STD Federal StandardFEMA Federal Emergency Management AgencyFEP front-end processorFET field effect transistorFIFO first-in first-out FIP Federal Information ProcessingFIPS Federal Information Processing StandardsFIR finite impulse responseFIRMR Federal Information Resources Management RegulationsFISINT foreign instrumentation signals intelligenceFLTSATCOM Fleet Satellite Communications flops floating-point operations per secondFM frequency modulation
FED-STD-1037C
Appendix A, page 11
FO fiber opticsFOC final operational capability
full operational capabilityFOT frequency of optimum traffic
frequency of optimum transmissionFPIS forward propagation ionospheric scatterft/min feet per minutefps foot-pound-secondFPS frames per second
focus projection and scanningFRP Federal Response PlanFSDPSK filtered symmetric differential phase-shift keyingFSK frequency-shift keyingFSS fully separate subsidiaryFSTS Federal Secure Telephone Service {no longer in operation}FT fiber optic T-carrierFTAM file transfer, access, and managementFTF Federal Telecommunications Fundft/s feet per secondFTS Federal Telecommunications SystemFTS2000 Federal Telecommunications System 2000FTSC Federal Telecommunications Standards CommitteeFTP file transfer protocolFWHM full width at half maximumFX fixed service
foreign exchange serviceFYDP Five Year Defense Plan
g profile parameterG giga (10 )9
GBH group busy hourGCT Greenwich Civil Time GDF group distribution frameGETS Government Emergency Telecommunications ServiceGFE Government-furnished equipmentGGCL government-to-government communications linkGHz gigahertzGII Global Information InfrastructureGMT Greenwich Mean Time GOS grade of serviceGOSIP Government Open Systems Interconnection ProfileGSA General Services AdministrationGSTN general switched telephone networkG/T antenna gain-to-noise-temperatureGTP Government Telecommunications ProgramGTS Government Telecommunications SystemGUI graphical user interface
FED-STD-1037C
Appendix A, page 12
h hecto (10 )2
hourPlanck’s constant
HCS hard clad silica [fiber]HDLC high-level data link controlHDTV high-definition televisionHDX half-duplex [operation] HE mode the fundamental hybrid mode [of an optical fiber]11
HEMP high-altitude electromagnetic pulseHERF hazards of electromagnetic radiation to fuelHERO hazards of electromagnetic radiation to ordnanceHERP hazards of electromagnetic radiation to personnelHF high frequencyHFDF high-frequency distribution frameHLL high-level languageHPC high probability of completionHV high voltageHz hertz
IA International Alphabet [CCITT]I&C installation and checkout IC integrated circuitICI incoming call identificationICNI Integrated Communications, Navigation, and IdentificationICW interrupted continuous waveIDDD International Direct Distance DialingIDF intermediate distribution frameIDN integrated digital networkIDTV improved-definition televisionIEC International Electrotechnical CommissionIEEE Institute of Electrical and Electronics EngineersIES Industry Executive SubcommitteeIF intermediate frequencyI/F interfaceIFF identification, friend or foeIFRB International Frequency Registration Board (now Radio Regulations Board)IFS ionospheric forward scatterIIR infinite impulse responseIITF Information Infrastructure Task ForceILD injection laser diodeILS instrument landing systemIM intensity modulation
intermodulationIMA individual mobilization augmenteeI&M installation and maintenanceIMD intermodulation distortionIMP interface message processorIN intelligent networkIN/1, IN/1+, IN/2 intelligent network conceptsINFOSEC information systems security
FED-STD-1037C
Appendix A, page 13
INS inertial navigation systemINTELSAT International Telecommunications Satellite ConsortiumINWATS Inward Wide-Area Telephone Service I/O input/output [device]IOC integrated optical circuit initial operational capability
input-output controllerIP Internet protocol
intelligent peripheralIPA intermediate power amplifierIPC information processing centerIPM impulses per minute
interference prediction modelinternal polarization modulationinterruptions per minute
in/s inches per secondips interruptions per secondIPX Internet Packet ExchangeIQF intrinsic quality factorIR infraredIRAC Interdepartment Radio Advisory CommitteeIRC international record carrier
Interagency Radio CommitteeISB independent-sideband [transmission]ISDN Integrated Services Digital NetworkISM industrial, scientific, and medical [applications]ISO International Organization for StandardizationITA International Telegraph AlphabetITA-5 International Telegraph Alphabet Number 5ITC International Teletraffic CongressITS Institute for Telecommunication SciencesITSO International Telecommunications Satellite OrganizationITU International Telecommunication UnionIVDT integrated voice data terminalIXC interexchange carrier
JANAP Joint Army-Navy-Air Force Publication(s)JCS Joint Chiefs of Staff JPL Jet Propulsion LaboratoryJSC Joint Steering Committee [now JTSSG]
Joint Spectrum Center JTC A Joint Tactical Command, Control and Communications Agency3
JTIDS Joint Tactical Information Distribution SystemJTRB Joint Telecommunications Resources BoardJTSSG Joint Telecommunications Standards Steering Group [formerly JSC]JWID Joint Warrior Interoperability Demonstration
FED-STD-1037C
Appendix A, page 14
k kilo (10 )3
Boltzmann's constant K coefficient of absorption
kelvinKDC key distribution centerKDR keyboard data recorderKDT keyboard display terminalkg kilogramkg•m•s kilogram-meter-secondkHz kilohertzkm kilometerk6, k kilohmKSR keyboard send/receive devicekT noise power density KTS key telephone systemKTU key telephone unit
� wavelength� cutoff wavelengthCO
LAN local area networkLANTFLT Atlantic Fleet LAP-B Data Link Layer protocol [CCITT Recommendation X.25 (1989)]LAP-D link access procedure Dlaser light amplification by stimulated emission of radiationLASINT laser intelligenceLATA local access and transport areaLBO line buildoutLC limited capabilityLCD liquid crystal displayLD long distanceLDM limited distance modemLEC local exchange carrierLED light-emitting diodeLF low frequencyLFB look-ahead-for-busy [information]LIFO last-in first-outLLC logical link control [sublayer]l/m lines per minuteLMF language media formatLMR land mobile radioLNA launch numerical apertureLOF lowest operating frequencyloran long-range aid to navigation system
long-range radio navigationlong-range radio aid to navigation system
LPA linear power amplifierLPC linear predictive codingLPD low probability of detectionLPI low probability of interceptionlpi lines per inchlpm lines per minuteLP the fundamental mode [of an optical fiber]01
LQA link quality analysisLRC longitudinal redundancy checkLSB lower sideband, least significant bitLSI large scale integrated [circuit]
large scale integrationline status indication
LTC line traffic coordinatorLUF lowest usable high frequencyLULT line-unit-line terminationLUNT line-unit-network terminationLV low voltage
m meter milli (10 )–3
M mega (10 )6
MAC medium access control [sublayer]MACOM major commandMAN metropolitan area networkMAP manufacturers' automation protocolmaser microwave amplification by the stimulated emission of radiationM[�] material dispersion coefficientMAU medium access unitMCC maintenance control circuitMCEB Military Communications-Electronics BoardMCM multicarrier modulationMCS Master Control SystemMCW modulated continuous waveMCXO microcomputer compensated crystal oscillatorMDF main distribution frameMDT mean downtimeMEECN Minimum Essential Emergency Communications NetworkMERCAST merchant-ship broadcast system MF medium frequency
multifrequency [signaling]MFD mode field diameterMFJ Modification of Final JudgmentMFSK multiple frequency-shift keyingMHF medium high frequency
FED-STD-1037C
Appendix A, page 16
MHS message handling servicemessage handling system
MHz megahertzmi mileMIC medium interface connector
MILNET military networkMIL-STD Military Standardmin minuteMIP medium interface pointMIPS, mips million instructions per secondMIS management information systemMKS meter-kilogram-secondMLPP multilevel precedence and preemptionMMW millimeter wavemodem modulator-demodulatormodified AMI code modified alternate mark inversion codemol molems millisecond (10 second)-3
MSB most significant bitMSK minimum-shift keyingMTBF mean time between failuresMTBM mean time between maintenanceMTBO mean time between outagesMTBPM mean time between preventive maintenanceMTF modulation transfer functionMTSO mobile telephone switching officeMTSR mean time to service restoralMTTR mean time to repairµ micro (10 )–6
µs microsecondMUF maximum usable frequencymuldem multiplexer/demultiplexerMUX multiplex
multiplexerMUXing multiplexingmw microwaveMWI message waiting indicatorMWV maximum working voltage
n nano (10 )–9
refractive indexN sea level refractivity0
spectral noise densityNA numerical apertureNACSEM National Communications Security Emanation Memorandum
FED-STD-1037C
Appendix A, page 17
NACSIM National Communications Security Information Memorandum NAK negative-acknowledge characterNASA National Aeronautics and Space AdministrationNATA North American Telecommunications AssociationNATO North Atlantic Treaty OrganizationNAVSTAR-GPS Navigational Satellite Timing and Ranging—Global Positioning SystemNBFM narrowband frequency modulationNBH network busy hourNBRVF narrowband radio voice frequencyNBS National Bureau of Standards [now NIST]NBSV narrowband secure voiceNCA National Command AuthoritiesNCC National Coordinating Center for TelecommunicationsNCS National Communications System
net control stationNCSC National Communications Security CommitteeNDCS network data control systemNDER National Defense Executive ReserveNEACP National Emergency Airborne Command PostNEC National Electric Code®NEP noise equivalent powerNES noise equivalent signalNF noise figureNFS Network File SystemNIC network interface cardNICS NATO Integrated Communications SystemNID network interface device
network inward dialingnetwork information database
NII National Information InfrastructureNIOD network inward/outward dialingNIST National Institute of Standards and Technology [formerly NBS]NIU network interface unitNLP National Level Programnm nanometerNMCS National Military Command Systemnmi nautical mileNOD network outward dialingNp neperNPA numbering plan areaNPR noise power ratioNRI net radio interfaceNRM network resource managerNRRC Nuclear Risk Reduction CenterNRZ non-return-to-zeroNRZI non-return-to-zero invertedNRZ-M non-return-to-zero markNRZ-S non-return-to-zero spaceNRZ1 non-return-to-zero, change on onesNRZ-1 non-return-to-zero mark
FED-STD-1037C
Appendix A, page 18
ns nanosecondNSA National Security AgencyNSC National Security CouncilNS/EP telecommunications National Security or Emergency Preparedness telecommunicationsNSTAC National Security Telecommunications Advisory CommitteeNTCN National Telecommunications Coordinating NetworkNTDS Naval Tactical Data SystemNTMS National Telecommunications Management StructureNT1 Network termination 1NT2 Network termination 2NTI network terminating interfaceNTIA National Telecommunications and Information AdministrationNTN network terminal number NTSC National Television Standards Committee
National Television Standards Committee [standard]NUL null characterNVIS near vertical incidence skywave
6 ohmO&M operations and maintenanceOC operations centerOCC other common carrierOCR optical character reader
optical character recognitionOCU orderwire control unitOCVCXO oven controlled-voltage controlled crystal oscillatorOCXO oven controlled crystal oscillatorOD optical density
outside diameterOFC optical fiber, conductiveOFCP optical fiber, conductive, plenumOFCR optical fiber, conductive, riserOFN optical fiber, nonconductiveOFNP optical fiber, nonconductive, plenumOFNR optical fiber, nonconductive, riserOMB Office of Management and BudgetONA open network architectureopm operations per minuteOPMODEL operations modelOPSEC operations securityOPX off-premises extensionOR off-route service
off-route aeronautical mobile serviceOSHA Occupational Safety and Health AdministrationOSI open switching interval
Open Systems InterconnectionOSI-RM Open Systems Interconnection—Reference ModelOSRI originating stations routing indicatorOSSN originating stations serial numberOTAM over-the-air management of automated HF network nodes
FED-STD-1037C
Appendix A, page 19
OTAR over-the-air rekeyingOTDR optical time domain reflectometer
optical time domain reflectometryOW orderwire [circuit]
p pico (10 )–12
P peta (10 )15
PABX private automatic branch exchangePAD packet assembler/disassemblerPAL phase alternation by linePAL-M phase alternation by line—modifiedPAM pulse-amplitude modulationPAMA pulse-address multiple accessp/a r peak-to-average ratioPAR performance analysis and reviewPARAMP parametric amplifierpar meter peak-to-average ratio meterPAX private automatic exchangePBER pseudo-bit-error-ratioPBX private branch exchangePC carrier power (of a radio transmitter)
personal computerPCB power circuit breaker
printed circuit boardPCM pulse-code modulation
plug compatible moduleprocess control module
PCS Personal Communications Services personal communications system plastic-clad silica [fiber]
pulse-duration modulationPDN public data networkPDS protected distribution system
power distribution systemprogram data source
PDT programmable data terminalPDU protocol data unitPE phase-encoded [recording] PEP peak envelope power (of a radio transmitter) pF picofaradPF power factorPFM pulse-frequency modulationPI protection intervalPIC plastic insulated cableping packet Internet groperPIV peak inverse voltagePLA programmable logic array
FED-STD-1037C
Appendix A, page 20
PLL phase-locked loopPLN private line networkPL/I programming language 1PLR pulse link repeater PLS physical signaling sublayerpm phase modulationPM mean power
PMB pilot-make-busy [circuit]PMO program management officePOI point of interfacePOP point of presencePOSIX portable operating system interface for computer environmentsPOTS plain old telephone servicePP polarization-preserving [optical fiber]P-P peak-to-peak [value]P/P point-to-pointPPM pulse-position modulationpps pulses per secondPR pulse ratePRF pulse-repetition frequencyPRI primary rate interfacePRM pulse-rate modulationPROM programmable read-only memoryPRR pulse repetition ratePRSL primary area switch locatorPS permanent signalpsi pounds [force] per square inchPSK phase-shift keyingPSN public switched networkp-static precipitation static PSTN public switched telephone networkPTF patch and test facilityPTM pulse-time modulationPTT postal, telephone, and telegraph
push-to-talk [operation]PTTC paper tape transmission codePTTI precise time and time intervalPU power unitPUC public utility commission
public utilities commissionPVC permanent virtual circuit
polyvinyl chloride [insulation]pW picowattPWM pulse-width modulation [deprecated]pWp picowatt, psophometrically weightedpWp0 picowatts, relative to a 0TLPpX peak envelope power [in dB]
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Appendix A, page 21
PX peak envelope powerprivate exchange peak envelope power [in watts]
pY mean power [in dB]PY mean power [in watts]pZ carrier power [in dB]PZ carrier power [in watts]
QA quality assuranceQAM quadrature amplitude modulationQC quality controlQCIF quarter common intermediate formatQMR qualitative material requirementQOS quality of serviceQPSK quadrature phase-shift keyingQRC quick reaction capabilityQSTAG Quadripartite Standardization Agreement
R route serviceracon radar beaconrad radian
radiation absorbed doseradar radio detection and rangingRADHAZ electromagnetic radiation hazardsRADINT radar intelligenceRAM random access memory
reliability, availability, and maintainabilityR&D research and developmentRATT radio teletypewriter systemRBOC Regional Bell Operating CompanyRbXO rubidium-crystal oscillatorRC reflection coefficient
resource controllerRCC radio common carrierRCVR receiverRDF radio-direction findingREA Rural Electrification AdministrationREN ringer equivalency numberRGB red-green-bluerf radio frequency
range finderRFI radio frequency interferenceRFP request for proposalRFQ request for quotationRH relative humidityRHR radio horizon rangeRI routing indicatorRISC reduced instruction set chipRJ registered jackRJE remote job entry
FED-STD-1037C
Appendix A, page 22
rms root-mean-square [deviation]RO read only
receive onlyROA recognized operating agencyROC required operational capability ROM read-only memoryROSE remote operations service element protocolrpm revolutions per minuteRPM rate per minuteRPOA recognized private operating agencyrps revolutions per secondRQ repeat-requestRR repetition rateRSL received signal levelrss root-sum-squareR/T real timeRTA remote trunk arrangementRTS request to sendRTTY radio teletypewriterRTU remote terminal unitRTX request to transmitRVA reactive volt-ampereRVWG Reliability and Vulnerability Working GroupRWI radio and wire integrationRX receive
receiverRZ return-to-zero
s secondSCC specialized common carrierSCE service creation environmentSCF service control facilitySCP service control pointSCPC single channel per carrierSCR semiconductor-controlled rectifier
silicon-controlled rectifierSCSR single channel signaling rateSDLC synchronous data link controlSDM space-division multiplexing [deprecated]SDN software-defined networkSECAM système electronique couleur avec memoireSECDEF Secretary of DefenseSECORD secure voice cord boardSECTEL secure telephoneSETAMS systems engineering, technical assistance, and management services SEVAS Secure Voice Access SystemS-F store-and-forwardSF single-frequency [signaling]SGDF supergroup distribution frameS/H sample and hold
FED-STD-1037C
Appendix A, page 23
SHA sidereal hour angleSHARES Shared Resources (SHARES) HF Radio ProgramSHF super high frequencySI International System of UnitsSID sudden ionospheric disturbanceSIGINT signals intelligenceSINAD signal-plus-noise-plus-distortion to noise-plus-distortion ratioS(�) chromatic dispersion slope SLD superluminescent diode [see superluminescent LED]SLI service logic interpreterSLP service logic programSMDR station message-detail recordingSMSA standard metropolitan statistical areaSNR signal-to-noise ratioSOH start-of-heading characterSOM start of messagesonar sound navigation and rangingSONET synchronous optical networkSOP standard operating procedureSOR start of recordSOW statement of work(S+N)/N signal-plus-noise-to-noise ratiosr steradianS/R send and receiveSSB single-sideband [transmission]SSB-SC single-sideband suppressed carrier [transmission]SSN station serial numberSSP service switching pointSSUPS solid-state uninterruptible power systemSTALO stabilized local oscillatorSTANAG Standardization Agreement [NATO]STD subscriber trunk dialingSTFS standard time and frequency signal [service]
standard time and frequency serviceSTL standard telegraph level
studio-to-transmitter linkSTP standard temperature and pressure
signal transfer pointSTU secure telephone unitSTX start-of-text characterSUB substitute characterSWR standing wave ratioSX simplex signalingSXS step-by-step switching systemSYN synchronous idle characterSYSGEN system generation
T tera (10 )12
TADIL tactical data information linkTADIL-A tactical data information link-A
FED-STD-1037C
Appendix A, page 24
TADIL-B tactical data information link-BTADS teletypewriter automatic dispatch systemTADSS Tactical Automatic Digital Switching SystemTAI International Atomic TimeTASI time-assignment speech interpolationTAT trans-Atlantic telecommunication (cable)TC toll centerTCB trusted computing baseTCC telecommunications centerTCCF Tactical Communications Control FacilityTCF technical control facilityTCP transmission control protocolTCS trusted computer systemTCU teletypewriter control unitTCVXO temperature compensated-voltage controlled crystal oscillatorTCXO temperature controlled crystal oscillatorTD time delay
transmitter distributorTDD Telecommunications Device for the DeafTDM time-division multiplexingTDMA time-division multiple accessTE transverse electric [mode]TED trunk encryption deviceTEK traffic encryption keyTEM transverse electric and magnetic [mode]TEMPEST compromising emanationsTEMS telecommunications management systemTGM trunk group multiplexerTHD total harmonic distortionTHF tremendously high frequencyTHz terahertzTIA Telecommunications Industry AssociationTIE time interval errorTIFF tag image file formatTIP terminal interface processorT response timerK
TLP transmission level pointTM transverse magnetic [mode]TP toll pointTRANSEC transmission securityTRC transverse redundancy checkTRF tuned radio frequencyTRI-TAC tri-services tactical [equipment]TSK transmission security keyTSP Telecommunications Service Priority [system]TSPS traffic service position systemTSR telecommunications service request
terminate and stay residentTTL transistor-transistor logicTTTN tandem tie trunk network
UDP User Datagram ProtocolUHF ultra high frequencyULF ultra low frequencyU/L uplinkUPS uninterruptible power supplyUPT Universal Personal Telecommunications serviceUSB upper sideband USDA U.S. Department of AgricultureUSFJ U.S. Forces, JapanUSFK U.S. Forces, KoreaUSNO U.S. Naval observatoryUSTA U.S. Telephone AssociationUT Universal TimeUTC Coordinated Universal Timeuv ultraviolet
V voltnormalized frequency
VA value-added [network service]volt-ampere
VAN value-added networkVAR value added resellerVARISTAR variable resistorvars volt-amperes reactiveVC virtual circuitVCO voltage-controlled oscillatorVCXO voltage-controlled crystal oscillatorV/D voice/dataVdc volts direct currentVDU video display unit
visual display unitVF voice frequencyVFCT voice frequency carrier telegraphVFCTG voice frequency carrier telegraphVFDF voice frequency distribution frameVFO variable-frequency oscillatorVFTG voice-frequency telegraphVHF very high frequencyVLF very low frequencyV/m volts per meter
FED-STD-1037C
Appendix A, page 26
VNL via net lossVNLF via net loss factorvocoder voice-codervodas voice-operated device anti-singvogad voice-operated gain-adjusting devicevolcas voice-operated loss control and echo/signaling suppressionvox voice-operated relay circuit
voice operated transmitVRC vertical redundancy checkVSAT very small aperture terminalVSB vestigial sideband [transmission]VSM vestigial sideband modulationVSWR voltage standing wave ratioVT virtual terminalVTU video teleconferencing unitvu volume unit
WADS wide area data serviceWAIS Wide Area Information ServersWAN wide area networkWARC World Administrative Radio ConferenceWATS Wide Area Telecommunications Service
Wide Area Telephone ServiceWAWS Washington Area Wideband SystemWDM wavelength-division multiplexingWHSR White House Situation RoomWIN WWMCCS Intercomputer NetworkWITS Washington Integrated Telecommunications SystemWORM write once, read many timeswpm words per minutewps words per secondWRU who-are-you [character]wv working voltageWVDC working voltage direct currentWWDSA worldwide digital system architectureWWMCCS Worldwide Military Command and Control SystemWWW World Wide Web
XMIT transmitXMSN transmissionXMTD transmittedXMTR transmitterXO crystal oscillatorXOFF transmitter off XON transmitter onXT crosstalkXTAL crystal
Z Zulu timeZD zero defectsZ characteristic impedanceo
