ETSI EN 300 012-1 V1.2.2 (2000-05)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Digitalno omrežje z integriranimi storitvami (ISDN) – Osnovni vmesnik uporabnik-omrežje (UNI) – 1. del: Specifikacija prve plastiIntegrated Services Digital Network (ISDN); Basic User-Network Interface (UNI); Part 1: Layer 1 specification33.080Digitalno omrežje z integriranimi storitvami (ISDN)Integrated Services Digital Network (ISDN)ICS:Ta slovenski standard je istoveten z:EN 300 012-1 Version 1.2.2SIST EN 300 012-1 V1.2.2:2003en01-december-2003SIST EN 300 012-1 V1.2.2:2003SLOVENSKI
STANDARD
ETSIEN300012-1V1.2.2(2000-05)EuropeanStandard(Telecommunicationsseries)IntegratedServicesDigitalNetwork(ISDN);BasicUser-NetworkInterface(UNI);Part1:Layer1specificationSIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)2ReferenceREN/TM-06017-3Keywordsbasic,B-ISDN,ISDN,layer1,rate,transmission,UNIETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:+33492944200Fax:+33493654716SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:http://www.etsi.orgThepresentdocumentmaybemadeavailableinmorethanoneelectronicversionorinprint.Inanycaseofexistingorperceiveddifferenceincontentsbetweensuchversions,thereferenceversionisthePortableDocumentFormat(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableathttp://www.etsi.org/tb/status/Ifyoufinderrorsinthepresentdocument,sendyourcommentto:editor@etsi.frCopyrightNotificationNopartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)3ContentsIntellectualPropertyRights.8Foreword.81Scope.92References.93Definitions,symbolsandabbreviations.103.1Definitions.103.1.1Generaldefinitions.103.1.2Definitionofservices.113.1.3Primitivesbetweenlayer1andotherentities.113.1.4Modesofoperation.113.1.5Definitionofstates.113.1.5.1TEstates.113.1.5.2NTStates.123.2Symbols.123.3Abbreviations.124Primitivesassociatedwithlayer1.135Wiringconfigurationsandlocationofinterfacepoints.135.1General.135.1.1Point-to-pointconfiguration.135.1.2Point-to-multipointconfiguration.135.1.3Locationoftheinterfaces.135.2Supportofwiringconfigurations.145.2.1Wiringpolarityintegrity.145.2.2NTandTEassociatedwiring.146Functionalcharacteristics.156.1Interfacefunctions.156.1.1B-channel.156.1.2Bittiming.156.1.3Octettiming.156.1.4Framealignment.156.1.5D-channel.156.1.6D-channelaccessprocedure.156.1.7Powerfeeding.156.1.8Deactivation.156.1.9Activation.156.2Interchangecircuits.166.3Connected/disconnectedindication.166.3.1TEspoweredacrosstheinterface.166.3.2TEsnotpoweredacrosstheinterface.166.3.3Indicationofconnectionstatus.166.4Framestructure.176.4.1Bitrate.176.4.2Binaryorganizationoftheframe.176.4.2.1TEtoNT.186.4.2.2NTtoTE.186.4.2.3Relativebitpositions.186.5Linecode.196.6Timingconsiderations.197Interfaceprocedures.197.1D-channelaccessprocedure.197.1.1Interframe(layer2)timefill.197.1.2D-echochannel.20SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)47.1.3D-channelmonitoring.207.1.4Prioritymechanism.207.1.5Collisiondetection.207.2Activation/deactivation.207.2.1Activateprimitives.207.2.2Deactivateprimitives.217.2.3Managementprimitives.217.2.4Validprimitivesequences.217.3Signals.237.4Activation/deactivationprocedureforTEs.237.4.1GeneralTEprocedures.237.4.2Specificationoftheprocedure.237.5Activation/deactivationforNTs.247.5.1Non-activating/non-deactivatingNTs.247.6Timervalues.247.7Activationtimes.247.7.1TEactivationtimes.247.7.2NTactivationtimes.287.8Deactivationtimes.298Framealignmentprocedures.298.1FramealignmentprocedureinthedirectionNTtoTE.298.1.1Lossofframealignment.298.1.2Framealignment.298.2FramealignmentinthedirectionTEtoNT.298.2.1Lossofframealignment.298.2.2Framealignment.308.3Multiframing.308.4IdlechannelcodeontheBchannels.309Electricalcharacteristics.309.1Bitrate.309.1.1Nominalrate.309.1.2Tolerance.309.2Jitterandbit-phaserelationshipbetweenTEinputandoutput.309.2.1Testconfigurations.309.2.2Timingextractionjitter.319.2.3Totalphasedeviationinputtooutput.329.3NTjittercharacteristics.349.4Terminationoftheline.349.5Transmitteroutputcharacteristics.349.5.1Transmitteroutputimpedance.349.5.1.1NTtransmitteroutputimpedance.349.5.1.2TEtransmitteroutputimpedance.359.5.2Testloadimpedance.359.5.3Pulseshapeandamplitude(binaryZERO).359.5.3.1Pulseshape.359.5.3.2Nominalpulseamplitude.369.5.4Pulseunbalance.369.5.4.1Pulseamplitudewhentransmittingahighdensitypattern.369.5.4.2Pulseunbalanceofanisolatedcoupleofpulses.379.5.5Voltageonothertestloads(TEonly).379.5.5.1400Ωload.379.5.5.25,6Ωload.379.5.6Unbalanceaboutearth.379.5.6.1Longitudinalconversionloss.379.5.6.2Outputsignalbalance.399.6Receiverinputcharacteristics.409.6.1Receiverinputimpedance.409.6.1.1TEreceiverinputimpedance.409.6.1.2NTreceiverinputimpedance.40SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)59.6.2Receiversensitivity-Noiseanddistortionimmunity.409.6.2.1TEs.409.6.2.2NTsforshortpassivebus(fixedtiming).419.6.2.3NTsforbothpoint-to-pointandshortpassivebusconfigurations(adaptivetiming).429.6.2.4NTsforextendedpassivebuswiringconfigurations.429.6.2.5NTsforpoint-to-pointconfigurationsonly.429.6.3NTreceiverinputdelaycharacteristics.439.6.3.1NTforshortpassivebus.439.6.3.2NTforbothpoint-to-pointandpassivebus.439.6.3.3NTforextendedpassivebus.439.6.3.4NTforpoint-to-pointonly.439.6.4Unbalanceaboutearth.439.7Isolationfromexternalvoltages.449.8Interconnectingmediacharacteristics.449.9StandardISDNbasicaccessTEcord.4410PowerFeeding.4410.1Referenceconfiguration.4410.1.1Functionsspecifiedattheaccessleads.4510.1.2Provisionofpowersourcesandsinks.4610.2PoweravailablefromNT.4610.2.1Powersource1normalandrestrictedmode.4610.2.2MinimumvoltageatNTfrompowersource1.4610.2.2.1Normalpowerconditions.4610.2.2.2Restrictedpowerconditions.4710.2.3Minimumvoltageofpowersource2.4710.3PoweravailableataTE.4710.3.1Powersource1-phantommode.4710.3.1.1Normalpowerconditions.4710.3.1.2Restrictedpowerconditions.4710.3.2Powersource2-optionalthirdpair.4710.3.2.1Normalpowerconditions.4710.3.2.2Restrictedpowerconditions.4710.4Powersource1consumption.4710.4.1Normalpowerconditions.4710.4.2Restrictedpowerconditions.4810.4.2.1PowerAvailabletoaTE"designated"forrestrictedpoweroperation.4810.4.2.2Poweravailableto"non-designated"TEs.4810.5Galvanicisolation.4810.6Currenttransient.4910.6.1Current/timelimitationsforTEs.4910.6.2TEdesignedtominimizepowerdisturbance.5010.6.2.1Optimizedcurrent/timemask.5110.6.2.2Alternativecurrent/timemaskforoptimizedTEs.5210.6.3Powersourceswitch-over.5310.6.3.1Powersourceswitch-overtime.5310.6.3.2Restrictedmodepowersourcerequirementsunderoverloadconditions.5310.6.4OtherTErequirements.5310.6.4.1MinimumTEstart-upcurrent.5310.6.4.2Protectionagainstshortterminterruptions.5410.6.4.3Behaviourattheswitch-over.5410.6.5Otherpowersourcerequirements.5410.6.5.1Powersource1restricted.5410.6.5.2Powersource1normal.5410.6.5.3Requirementsfortype(a)sources.5510.6.5.4Requirementsforbothtypesofsources.5510.6.5.4.1Switch-onsurgecapability.5510.6.5.4.2TEconnectionsurgecapability.5510.7Currentunbalance.5510.7.1Directcurrentunbalance.5510.7.1.1dcunbalanceofpowersource1.55SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)610.7.1.2dcunbalanceofpowersink1.5610.7.1.3Differentialresistanceinapairoftheinstallationwiring.5610.7.2Currentunbalanceinapair.5610.8AdditionalrequirementsforanAPS.5710.8.1PoweravailableforanAPS.5710.8.2APSswitch-ontime.5710.8.3APSswitch-offtime.5710.8.4APSpowerconsumptionwhenoff.5810.8.5DynamicbehaviourofanAPS.5810.9AdditionalrequirementsforNT1restrictedmodesourceforcompatibilitywithanAPS.5810.9.1Powersource1restrictedmodeback-off.5810.9.2Powersource1restrictedmodepowerup.5810.9.3NT1powerconsumptionfromAPSnormalmode.5811Interfaceconnectorcontact.58AnnexA(informative):Wiringconfigurationsandroundtripdelayconsiderationsusedasabasisforelectricalcharacteristics.60A.1Introduction.60A.2Wiringconfigurations.60A.2.1Point-to-multipoint.60A.2.1.1Shortpassivebus(FigureA.1).60A.2.1.2Extendedpassivebus(FigureA.2).61A.2.2Point-to-point(FigureA.3).61AnnexB(normative):Testconfigurations.63AnnexC(normative):TestloopbacksdefinedforthebasicUNI.65C.1Introduction.65C.2Loopbackmechanismdefinitions.65C.3Testloopbackreferenceconfiguration.66C.4Testloopbackcharacteristics.67AnnexD(normative):Additionalrequirementsapplicabletothe(explicit)Sreferencepoint.68D.1Introduction.68D.2References.68D.3Definitions.68D.3.1PrivateNetworkTermination(PNT).68D.3.2TerminalEquipment(TE).68D.4Conformance.68D.5Requirements.69D.6Provisionofpower.69AnnexE(informative):SDLrepresentationofapossibleimplementationoftheD-channelaccess.70AnnexF(informative):SDLrepresentationofactivation/deactivationproceduresforTEsandNTs.72F.1SDLrepresentationofactivation/deactivationproceduresforTEs.72F.2SDLrepresentationofactivation/deactivationproceduresforNTs.72SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)7AnnexG(informative):Multiframingmechanism.80G.1Multiframing.80G.1.1Generalmechanism.80G.1.2Q-bitpositionidentificationalgorithm.80G.1.3TEmultiframeidentification.81G.2S-channelstructuringalgorithm.81History.83SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)8IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinSR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinSR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeTransmissionandMultiplexing(TM).ThepresentdocumentconcernsthebasicUserNetworkInterface(UNI)fortheIntegratedServicesDigitalNetwork(ISDN)andconsistsof7partsasfollows:Part1:"Layer1specification";Part2:"ImplementationConformanceStatement(ICS)andImplementationeXtraInformationforTesting(IXIT)specificationforinterfaceIA";Part3:"ImplementationConformanceStatement(ICS)andImplementationeXtraInformationforTesting(IXIT)specificationforinterfaceIB";Part4:"ConformancetestspecificationforinterfaceIA";Part5:"ConformancetestspecificationforinterfaceIB";Part6:"AbstractTestSuite(ATS)specificationforinterfaceIA";Part7:"AbstractTestSuite(ATS)specificationforinterfaceIB";andisbasedonITU-TRecommendationI.430[10].ThepresentdocumentincludeseditorialimprovementsofSafetyrelatedclauses.NationaltranspositiondatesDateoflatestannouncementofthisEN(doa):31August2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):28February2001DateofwithdrawalofanyconflictingNationalStandard(dow):28February2001SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)91ScopeThepresentdocumentspecifiesrequirementsfortheISDNbasicrateUNIincludingthephysical,electricalandfunctionalcharacteristicsandtheinformationexchangewithhigherlayers.ThisensuresthatinterfaceimplementationsinanISDNequipmentforusewithISDNbasicaccessisportablewithinEuropewithregardtolayer1interfaceaspectsandthatinterworkingwithhigherlayerprotocolsforISDNissupported.ThepresentdocumentisapplicabletoequipmenthavinginterfaceIAorIBfortheconnectiontotheISDNbasicaccessintendedtobeinstalledoncustomerpremisesaccordingtoITU-TRecommendationI.411[9],thepresentdocumentisforapplicationtointerfacesatreferencepointsS,TandS/T(coincidentSandT)oftheISDNreferenceconfiguration.ForthecasewherethepresentdocumentisappliedtotheTandtheS/Treferencepoint,themainbodyofthepart1andtheparts6and7arenormative.ForthecasewherethepresentdocumentisappliedtotheSreferencepoint,annexAtothispart1isalsonormative.Thepresentdocumentdoesnotspecify:-safetyrequirements;-interfaceorequipmentovervoltageprotectionrequirements;-immunityrequirementsagainstelectromagneticinterference;-emissionlimitationrequirements.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]ITU-TRecommendationG.117(1996):"Transmissionaspectsofunbalanceaboutearth".[2]ITU-TRecommendationI.412(1988):"ISDNuser-networkinterfaces;interfacestructuresandaccesscapabilities".[3]CCITTRecommendationX.211(1988):"PhysicalservicedefinitionofopensystemsinterconnectionforCCITTapplications".[4]EN28877(1993):"Informationtechnology;Telecommunicationsandinformationexchangebetweensystems;InterfaceconnectorandcontactassignmentforISDNBasicAccessInterfacelocatedatreferencepointsSandT(ISO/IEC8877:1992)".[5]EN60603-7(1993):"Connectorsforfrequenciesbelow3MHzforusewithprintedboards;Part7:Detailspecificationforconnectors,8-way,includingfixedandfreeconnectorswithcommonmatingfeatures;(IEC603-7:1990)(S)".[6]ENV41004:"ReferenceConfigurationforConnectivityRelationsofPrivateTelecommunicationNetworkExchanges".[7]ETSIETS300047-3(1992):"IntegratedServicesDigitalNetwork(ISDN);Basicaccess-safetyandprotection;Part3:InterfaceIA-protection".SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)10[8]ISO/IEC9646-1(1994):"Informationtechnology;OpenSystemsInterconnection;ConformanceTestingMethodologyandFramework;Part1:Generalconcepts".[9]ITU-TRecommendationI.411(1993):"ISDNuser-networkinterfaces;referenceconfigurations".[10]ITU-TRecommendationI.430(1995):"Basicuser-networkinterface;layer1specification".[11]ITU-TRecommendationQ.921(1993):"ISDNuser-networkinterface-datalinklayerspecification".[12]ITU-TRecommendationQ.931(03/93):"ISDNuser-networkinterfacelayer3specificationforbasiccallcontrol".[13]EN50081:"Electromagneticcompatibility;Genericemissionstandard".3Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingdefinitionsapply:3.1.1Generaldefinitionsbasicaccess:user-networkaccessarrangementthatcorrespondstotheinterfacestructurecomposedoftwoB-channelsandoneD-channel.ThebitrateoftheD-channelforthistypeofaccessis16kbit/s.ImplementationConformanceStatement(ICS):seeISO/IEC9646-1[8],subclause3.4.6.IntegratedServicesDigitalNetwork(ISDN):integratedservicesnetworkthatprovidesdigitalconnectionsbetweenUNIs.interface:thepresentdocumentdefinesthelayer1characteristicsoftheUNItobeappliedattheSorTreferencepointsforthebasicinterfacestructuredefinedinITU-TRecommendationI.412[2].ThereferenceconfigurationfortheinterfaceisdefinedinITU-TRecommendationI.411[9]andisreproducedinfigure1.ReferencepointFunctionalgroupTransmissionLineNT1TSSRa)b)NT2TE1TE2TAFigure1:DefinitionofinterfacepointsaccordingtotheISDNreferenceconfigurationNetworkTermination(NT):thetermNTisusedtoindicatenetworkterminatinglayer1aspectsofNT1andNT2functionalgroupsunlessotherwiseindicated.However,insubclauses3.1.5and7.2thetermNTisusedtoindicatethelayer1networksideofthebasicaccessinterface.SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)11TerminalEquipment(TE):thetermTEisusedtoindicateterminalterminatinglayer1aspectsofTE1,TAandNT2functionalgroups,unlessotherwiseindicated.However,insubclauses3.1.5and7.2,thetermTEisusedtoindicatethelayer1terminalsideofthebasicaccessinterface.3.1.2Definitionofservicesservicesrequiredfromthephysicalmedium:layer1ofthisinterfacerequiresabalancedmetallictransmissionmedium,foreachdirectionoftransmission,capableofsupporting192kbit/s.servicesprovidedtolayer2:layer1providesthefollowingservicestolayer2andthemanagemententity.transmissioncapability:layer1providesthetransmissioncapability,bymeansofappropriatelyencodedbitstreams,fortheB-andD-channelsandtherelatedtimingandsynchronizationfunctions.activation/deactivation:layer1providesthesignallingcapabilityandthenecessaryprocedurestoenablecustomerTEsand/orNTstobedeactivatedwhenrequiredandreactivatedwhenrequired.Theactivationanddeactivationproceduresaredefinedinsubclause7.2.D-channelaccess:layer1providesthesignallingcapabilityandthenecessaryprocedurestoallowTEstogainaccesstothecommonresourceoftheD-channelinanorderlyfashionwhilemeetingtheperformancerequirementsoftheD-channelsignallingsystem.TheseD-channelaccesscontrolproceduresaredefinedinsubclause7.1.maintenance:layer1providesthesignallingcapability,proceduresandnecessaryfunctionsatlayer1toenablemaintenancefunctionstobeperformed.statusindication:layer1providesanindicationtothehigherlayersofthestatusoflayer1.3.1.3Primitivesbetweenlayer1andotherentitiesPrimitivesrepresent,inanabstractway,thelogicalexchangeofinformationandcontrolbetweenlayer1andotherentities.Theyneitherspecifynorconstraintheimplementationofentitiesorinterfaces.3.1.4ModesofoperationBothpoint-to-pointandpoint-to-multipointmodesofoperation,asdescribedbelow,areintendedtobeaccommodatedbythelayer1characteristicsoftheUNI.Inthepresentdocument,themodesofoperationapplyonlytothelayer1proceduralcharacteristicsoftheinterfaceanddonotimplyanyconstraintsonmodesofoperationathigherlayers.Point-to-pointoperation:thismodeofoperationatlayer1impliesthatonlyonesource(transmitter)andonesink(receiver)areactiveatanyonetimeineachdirectionoftransmissionatanSorTreferencepoint.(Suchoperationisindependentofthenumberofinterfacesthatmaybeprovidedonaparticularwiringconfigurations-seeclause5).Point-to-multipointoperation:thismodeofoperationatlayer1allowsmorethanoneTE(sourceandsinkpair)tobesimultaneouslyactiveatanSorTreferencepoint.(Themultipointmodeofoperationmaybeaccommodated,asdiscussedinclause5,withpoint-to-pointorpoint-to-multipointwiringconfigurations).3.1.5Definitionofstates3.1.5.1TEstatesStateF1(INACTIVE):inthisinactive(powered-off)state,theTEisnottransmittingandcannotdetectthepresenceofanyinputsignals.InthecaseoflocallypoweredTEs,whichcannotdetecttheappearance/disappearanceofpowersource1or2,thisstateisenteredwhenlocalpowerisnotpresent.ForTEsthatcandetectpowersource1orpowersource2,thisstateisenteredwheneverlossofpower(requiredtosupportallTEIfunctions)isdetected,orwhentheabsenceofpowerfromsource1or2,whicheverpowersourceisusedfordeterminingtheconnectionstatus,isdetected.StateF2(SENSING):thisstateisenteredaftertheTEhasbeenpoweredonbuthasnotdeterminedthetypeofsignal(ifany)thattheTEisreceiving.Wheninthisstate,aTEmaygotoalow-powerconsumptionmodeasspecifiedinsubclause6.1.8.SIST EN 300 012-1 V1.2.2:2003

ETSIETSIEN300012-1V1.2.2(2000-05)12StateF3(DEACTIVATED):thisisthedeactivatedstateofthephysicalprotocol.NeithertheNTnortheTEistransmitting.Wheninthisstate,aTEmaygotoalow-powerconsumptionmodeasspecifiedinsubclause6.1.8.StateF4(AWAITINGSignal):whentheTEisrequestedtoinitiateactivationbymeansofaPH-ACTIVATEREQUESTprimitive,ittransmitsasignal(INFO1)andwaitsforaresponse
...