SIST EN 301 165 V1.1.2:2003

Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); SDH leased lines; Connection Characteristics

The revision of this document is exclusively restricted to the provisions related to Safety.  As it is a change in the reference mechanism, and it does not include a technical change, the revision will be editorial.

Prenos in multipleksiranje (TM) – Sinhrona digitalna hierarhija (SDH) – Zakupljeni vodi v SDH – Priključitvene značilnosti

General Information

• Status: Published
• Publication Date: 30-Nov-2003
• ICS: 33.040.20 - Transmission systems
• ICS: 33.040.50 - Lines, connections and circuits
• Technical Committee: SS EIT - Technical Board for the electrotechnical, information technology and telecommunications fields
• Current Stage: 6060 - National Implementation/Publication (Adopted Project)
• Start Date: 01-Dec-2003
• Due Date: 01-Dec-2003
• Completion Date: 01-Dec-2003
• Mandate: T-324
• Ref Project: ETSI EN 301 165 V1.1.2 (2000-06) - Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); SDH leased lines; Connection Characteristics

Standards Content (Sample)

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Transmission and Multiplexing (TM); Synchronous Digital Hierarchy (SDH); SDH leased lines; Connection Characteristics33.040.50Vodi, zveze in tokokrogiLines, connections and circuits33.040.20Prenosni sistemTransmission systemsICS:Ta slovenski standard je istoveten z:EN 301 165 Version 1.1.2SIST EN 301 165 V1.1.2:2003en01-december-2003SIST EN 301 165 V1.1.2:2003SLOVENSKI
STANDARD



SIST EN 301 165 V1.1.2:2003



ETSIEN301165V1.1.2(2000-06)EuropeanStandard(Telecommunicationsseries)TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);SDHleasedlines;ConnectionCharacteristicsSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)2ReferenceREN/TM-01087Keywordsleasedline,ONP,SDH,transmissionETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°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:[e-mail]opartmaybereproducedexceptasauthorizedbywrittenpermission.Thecopyrightandtheforegoingrestrictionextendtoreproductioninallmedia.©EuropeanTelecommunicationsStandardsInstitute2000.Allrightsreserved.SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)3ContentsIntellectualPropertyRights.4Foreword.41Scope.52References.63Definitions,symbolsandabbreviations.73.1Definitions.73.2Symbols.93.3Abbreviations.104NetworkandterminalinterfacesforVirtualContainer(VC)leasedlineconnection.114.1SectionlayerfunctionsforNetworkTermination(NT)andTerminalEquipment(TE).114.1.1STM-1sectionlayersfunctionsforNTandTE.114.1.2STM-4sectionlayersfunctionsforNTandTE.144.2PathlayerfunctionsforNT.154.2.1NetworkpathlayerfunctionsforVC-4leasedlineconnections.154.2.2NetworkpathlayerfunctionsforlowerorderVCleasedlineconnections.154.3PathlayersfunctionsforTE.164.3.1TerminalpathlayerfunctionsforVC-4leasedlineconnections.164.3.2TerminalpathlayerfunctionsforlowerorderVCleasedlineconnections.164.4MechanicalcharacteristicsforNTandTEinterfaces.174.4.1ConnectorsfortheelectricalSTM-1interface.174.4.2ConnectorsforopticalSTM-Ninterfaces.174.5Safety.184.6AU/TUnumberingscheme.185ApplicationofEN300417-2-1.186ApplicationofEN300417-3-1.207ApplicationofEN300417-4-1.228ApplicationofEN300417-6-1.28Bibliography.30History.31SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)4IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.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).NationaltranspositiondatesDateoflatestannouncementofthisEN(doa):30September2000DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31March2001DateofwithdrawalofanyconflictingNationalStandard(dow):31March2001SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)51ScopeThepresentdocumentdefinestheatomicfunctionsrelevantfortheinterfacepresentationsofSynchronousDigitalHierarchy(SDH)leasedlinesattheNetworkTerminationPoint(NTP)andtheTerminalEquipment(TE).Itspecifiesthetechnicalrequirementsforelectrical,optical,regeneratorandmultiplexsectionlayerandSDHpathlayers.Thespecificationispresentedasadeltainformationoftheequipmentspecificationof:− EN300417-2-1[8]forSTM-1electricalandopticalandSTM-4opticalsectionlayer;− EN300417-3-1[9]forSTM-1andSTM-4regeneratorsectionandmultiplexsectionlayer;− EN300417-4-1[10]forSDHpathlayers(VC-4,VC-3,VC-2andVC-12);− EN300417-6-1[11]forsynchronizationlayerfunctions.Thefollowingphysicalsectionlayersareused:− STM-1electricalinterface;− STM-1opticalintra-officeinterface;− STM-1opticalshorthaulinterfacesat1300nm;− STM-4opticalintra-officeinterface;− STM-4opticalshorthaulinterfacesat1300nm.Theinterfacemarginsaredefinedsuch,thatinterconnectionofdifferentopticalinterfacesispossiblewhenanappropriateattenuationisinserted.AconnectionispresentedviainterfacesatNTPs.Thepresentdocumentdefinesthenetworkinterfaceaspresentedbytheleasedlineproviderandshouldbeusedinconjunctionwiththecompanionstandard,EN301164[5],specifyingtheconnectioncharacteristicsbetweenNTPsoftheleasedline.Thepresentdocumentandtheconnectioncharacteristicstandardtogetherdescribethetechnicalcharacteristicsoftheleasedline.Thepresentdocumentisapplicableforleasedlines,includingparttimeleasedlines,forwhichtheestablishmentorreleasedoesnotrequireanyprotocolexchangeorotherinterventionattheNTP.ThepresentdocumentistoensurethattheinterfaceoftheterminalequipmentiscompatiblewiththeSDHleasedlineinterface.ThepresentdocumentisapplicabletoallinterfacesdesignedforconnectiontotheSDHleasedlines.CustomerpremiseswiringandinstallationbetweenterminalequipmentandtheNTPareoutsidethescopeofthepresentdocument.TheconformancetestofthesectionandpathlayerfunctionswillbeaddressedunderworkitemsEN300417-x-3(x=2,3,4and6).SomeofthetestsdescribedinthoseENsarenotdesignedtobeappliedtotheinterfaceofaninstalledleasedline;suchtestsmaybeappliedtoequipmentofthekindusedtoprovidetheinterface.Thepresentdocumentdoesnotincludeextradetailsconcerningtheimplementationoftests,nordoesitincludeinformationofanyrelevantregulations.ThepresentdocumentdoesnotspecifythecircumstancesinwhichthetestsgiveninEN300417-x-3(x=2,3,4and6)aretobeperformed.SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)62ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.• Anon-specificreferencetoanETSshallalsobetakentorefertolaterversionspublishedasanENwiththesamenumber.[1]EN60950:"Safetyofinformationtechnologyequipment,includingelectricalbusinessequipment".[2]IEC60169-8(1978):"Radio-frequencyconnectors-Part8:R.F.coaxialconnectorswithinnerdiameterofouterconductor6.5mm(0.256in)withbayonetlock-Characteristicimpedance50Ω(TypeBNC)".[3]IEC60169-13(1976):"Radio-frequencyconnectors-Part13:R.F.coaxialconnectorswithinnerdiameterofouterconductor5.6mm(0.22in)-Characteristicimpedance75Ω(Type1.6/5.6)-Characteristicimpedance50Ω(Type1.8/5.6)withsimilarmatingdimensions".[4]ISO/IEC10173(1998):"Informationtechnology-Telecommunicationsandinformationexchangebetweensystems-InterfaceconnectorandcontactassignmentsforISDNprimaryrateaccessconnectorlocatedatreferencepointsSandT".[5]ETSIEN301164:"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);SDHleasedlines;Connectioncharacteristics".[6]ETSIETS300147(1997):"TransmissionandMultiplexing(TM);SynchronousDigitalHierarchy(SDH);Multiplexingstructure".[7]ETSIEN300417-1-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part1-1:Genericprocessesandperformance".[8]ETSIEN300417-2-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part2-1:SynchronousDigitalHierarchy(SDH)andPlesiochronousDigitalHierarchy(PDH)physicalsectionlayerfunctions".[9]ETSIEN300417-3-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part3-1:SynchronousTransportModule-N(STM-N)regeneratorandmultiplexsectionlayerfunctions".[10]ETSIEN300417-4-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part4-1:SynchronousDigitalHierarchy(SDH)pathlayerfunctions".[11]ETSIEN300417-6-1:"TransmissionandMultiplexing(TM);Genericrequirementsoftransportfunctionalityofequipment;Part6-1:Synchronizationlayerfunctions".[12]ITU-TRecommendationG.825(1993):"Thecontrolofjitterandwanderwithindigitalnetworkswhicharebasedonthesynchronousdigitalhierarchy(SDH)".[13]ITU-TRecommendationG.704(1995):"Synchronousframestructuresusedat1544,6312,2048,8488and44736kbit/shierarchicallevels".[14]IEC60364-5-548(1996):"Electricalinstallationsofbuildings-Part5:Selectionanderectionofelectricalequipment-Section548:Earthingarrangementsandequipotentialbondingforinformationtechnologyinstallations".SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)7[15]ETSIEG201212:"Electricalsafety;Classificationofinterfacesforequipmenttobeconnectedtotelecommunicationnetworks".3Definitions,symbolsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply.process:generictermforanactionoracollectionofactionsfunction:"process"definedfordigitaltransmissionhierarchies(e.g.PlesiochronousDigitalHierarchy(PDH),SynchronousDigitalHierarchy(SDH)),whichactsonacollectionofinputinformationtoproduceacollectionofoutputinformation.Afunctionisdistinguishedbythewayinwhichcharacteristicsofthecollection,orofmembersofthecollectionofoutputinformationdifferfromcharacteristicsofmembersofthecollectionofinputinformationatomicfunction:"function"whichifdividedintosimpler"functions"wouldceasetobeuniquelydefinedfordigitaltransmissionhierarchies.Itisthereforeindivisiblefromanetworkpointofview.Thefollowingatomicfunctionsaredefinedineachnetworklayer:− bi-directionalTrailTerminationfunction(._TT),TrailTerminationSourcefunction(._TT_So),TrailTerminationSinkfunction(._TT_Sk)andConnectionfunction(._C);− betweenclientandserverlayernetworksthreeadaptationfunctionsaredefined:AdaptationSinkfunction._A_Sk,AdaptationSourcefunction._A_So,andthebi-directionalAdaptationfunction._A.adaptationfunction:"atomicfunction"whichpassesacollectionofinformationbetweenlayernetworksbychangingthewayinwhichthecollectionofinformationisrepresentedtrailterminationfunction:"atomicfunction"withina"layer"whichgenerates,adds,andmonitorsinformationconcerningtheintegrityandsupervisionof"adaptedinformation"connectionfunction:"atomicfunction"withinalayerwhich,ifconnectivityexists,relaysacollectionofitemsofinformationbetweengroupsofatomicfunctions.Itdoesnotmodifythemembersofthiscollectionofitemsofinformationalthoughitmayterminateanyswitchingprotocolinformationandactuponit.Anyconnectivityrestrictionsbetweeninputsandoutputsshallbestatedlayer:conceptusedtoallowthetransportnetworkfunctionalitytobedescribedhierarchicallyassuccessivelevels;eachlayerbeingsolelyconcernedwiththegenerationandtransferofits"characteristicinformation"client/serverlayer:anytwoadjacentnetworklayersareassociatedinaclient/serverrelationship.Eachtransportnetworklayerprovidestransporttothelayeraboveandusestransportfromthelayersbelow.Thelayerprovidingtransportistermeda"server",thelayerusingtransportistermed"client"RemoteDefectIndication(RDI):signalwhichconveysthedefectstatusofthecharacteristicinformationreceivedbytheTrailTerminationsinkfunctionbacktothenetworkelementwhichcontainsthecharacteristicinformationoriginatingtrailterminationsourcefunction.ExamplesofRDIsignalsaretheFarEndReceiveFailure(FERF)bit(s)inSDHsignals,theA-bitinITU-TRecommendationG.704[13]structured2048kbit/ssignalsandthealarmindicationbitinotherPDHmultiplexsignalsRemoteErrorIndication(REI):signalwhichconveyseithertheexactortruncatednumberoferrordetectioncodeviolationswithinthecharacteristicinformation(asdetectedbythetrailterminationsinkfunction)backtothenetworkelementwhichcontainsthecharacteristicinformationoriginatingtrailterminationsourcefunction.ExamplesofREIsignalsaretheFarEndBlockError(FEBE)bit(s)inSDHsignalsandtheE-bitinITU-TRecommendationG.704[13]structured2048kbit/ssignalsall-ONEs:entirecapacityoftheadaptedorcharacteristicinformationissettologic"1"SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)8AU-4-AIS:STM-NsignalinwhichtheentirecapacityofanAdministrativeUnit4(AU-4)issettologic"1"TU-m-AIS:STM-NsignalinwhichtheentirecapacityofaTU-missettologic"1"CharacteristicInformation(CI):signalofspecificrateandformatwhichistransferredwithinandbetween"sub-networks",andpresentedtoan"adaptation"functionfor"transport"bytheserverlayernetworkRemoteInformation(RI):informationflowfromsinkdirectiontosourcedirectionofthesameatomicfunctioninunidirectionalrepresentation,containinginformationtobetransportedtotheremoteend,suchasRDIandREIAccessPoint(AP):"referencepoint"wheretheoutputofan"adaptation"sourcefunctionisboundtotheinputofa"TrailTermination(TT)source",orwheretheoutputofa"trailterminationsink"isboundtotheinputofan"adaptation"sinkfunction.The"accesspoint"ischaracterizedbytheadaptedclientlayer"characteristicinformation"whichpassesacrossit.Abi-directional"accesspoint"isformedbyanassociatedcontra-directionalpairConnectionPoint(CP):"referencepoint"wheretheoutputofa"trailterminationsource"ora"connection"isboundtotheinputofanother"connection",orwheretheoutputofa"connection"isboundtotheinputofa"trailterminationsink".The"connectionpoint"ischaracterizedbytheinformation,whichpassesacrossit.Abi-directional"connectionpoint"isformedbytheassociationofacontra-directionalpairNOTE1:IntheinformationmodeltheconnectionpointiscalledConnectionTerminationPoint(CTP).TerminationConnectionPoint(TCP):specialcaseofa"connectionpoint"wherea"trailtermination"functionisboundtoan"adaptation"functionora"connection"functionNOTE2:IntheinformationmodeltheterminationconnectionpointiscalledTrailTerminationPoint(TTP).defect:densityofanomalieshasreachedalevelwheretheabilitytoperformarequiredfunctionhasbeeninterrupted.Defectsareusedasinputforperformancemanagement,thecontrolofconsequentactions,andthedeterminationoffaultcauseSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)93.2SymbolsForthepurposesofthepresentdocument,thefollowingsymbolsapply:Thediagrammaticconventionsandnomenclatureusedinthepresentdocumentforadaptation,terminationandconnectionfunctions(usedtodescribetheatomicfunctions)aretakenfromEN300417-1-1[7]andareshowninFigure1.SinkSinkSourceSourcebidirectionalbidirectionalbidirectionalunidirectionalAdaptationfunctionsfromServerlayerYtoClientlayerZY/ZY/ZY/ZYYYTrailTerminationfunctionsinlayerYConnectionfunctionsinlayerYYYY/ZYY/ZYY/ZYbidirectionalSourceSinkTrailTerminationfunctioninlayerYandAdaptationfunctiontolayerZSinkSourcebidirectionalCompoundAdaptationfunctionsfromServerlayerYtoClientlayerZY/ZY/ZY/ZNOTE:Iftheabovesymbolsareusedforgenericfigures,i.e.notforspecificlayers,thelayerreferencesYandZmaybeomitted.Alternatively,thereferencesmaybetothetypeoffunctionorlayer,e.g.supervision,protection.Figure1:SymbolsanddiagrammaticconventionsSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)103.3AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:AAdaptationfunctionAIAdaptedInformationAISAlarmIndicationSignalAPAccessPointAUAdministrativeUnitAU-nAdministrativeUnit,levelnAUGAdministrativeUnitGroupCConnectionfunctionCICharacteristicInformationCPConnectionPointCTPConnectionTerminationPointESElectricalSectionES1STM-1ElectricalSectionFEBEFarEndBlockErrorFERFFarEndReceiveFailureIInformativeLCLayerClockLOFLossOfFrameLOMLossOfMultiframeLOPLossOfPointerLOSLossOfSignalMSMultiplexSectionMS1STM-1MultiplexSectionMS4STM-4MultiplexSectionNNormativeN/RNotRelevantNNINetworkNodeInterfaceNTNetworkTerminationNTPNetworkTerminationPointOSOpticalSectionOS1STM-1OpticalSectionOS4STM-4OpticalSectionPDHPlesiochronousDigitalHierarchyPLMPayLoadMismatchRDIRemoteDefectIndicationREIRemoteErrorIndicationRIRemoteInformationRSRegeneratorSectionRS1STM-1RegeneratorSectionRS4STM-4RegeneratorSectionRSOHRegeneratorSectionOverheadS12VC-12pathlayerS2VC-2pathlayerS3VC-3pathlayerS4VC-4pathlayerS4/SXVC-4pathlayertolowerorderVCpathlayerSDHSynchronousDigitalHierarchySkSinkSoSourceSSFServerSignalFailSTMSynchronousTransportModuleSTM-NSynchronousTransportModule,levelNTCPTerminationConnectionPointTETerminalEquipmentTITimingInformationTSFTrailSignalFailSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)11TTTrailTerminationfunctionTTsTrailTerminationsupervisoryfunctionTTPTrailTerminationPointTUTributaryUnitTU-mTributaryUnit,levelmTUGTributaryUnitGroupTUG-mTributaryUnitGroup,levelmUNEQUnequippedVCVirtualContainerVC-nVirtualContainer,leveln4NetworkandterminalinterfacesforVirtualContainer(VC)leasedlineconnection4.1SectionlayerfunctionsforNetworkTermination(NT)andTerminalEquipment(TE)4.1.1STM-1sectionlayersfunctionsforNTandTETherelevantsectionlayerfunctionsofelectricalandopticalSTM-1interfacesforNTandTEareshowninFigure2andFigure3respectively.Thedetailsoftheatomicfunctionsshowninthesefiguresaregiveninclauses5and6ofthepresentdocument.Twotypesofopticalinterfacesarerelevantforleasedlineconnections.Thesearetheintraofficeinterface(I1)andtheshorthaulinterfaceat1300nm(S1.1).SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)12RS1RS1/MS1RS1RS1/MS1RS1_CIRS1_CIRS1_AIRS1_AIES1ES1ES1/RS1ES1/RS1ES1_CRS1_CES1_CIES1_CIES1_AIES1_AIMS1MS1/S4MS1MS1/S4MS1_CIMS1_CIMS1/SDMS1/SDSD_CISD_CIS1[5-8]S1[5-8]RI_RDIRI_REIMS1_CSTM1_TIMS1-LCFigure2:SectionlayersofaSTM-1electricalinterfaceforNTandTESIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)13RS1RS1/MS1RS1RS1/MS1RS1_CIRS1_CIRS1_AIRS1_AIOS1OS1OS1/RS1OS1/RS1OS1_CRS1_COS1_CIOS1_CIOS1_AIOS1_AIMS1MS1/S4MS1MS1/S4MS1_CIMS1_CIMS1/SDMS1/SDSD_CISD_CIS1[5-8]S1[5-8]RI_RDIRI_REIMS1_CSTM1_TIMS1-LCFigure3:SectionlayersofanopticalSTM-1interfaceforNTandTESIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)144.1.2STM-4sectionlayersfunctionsforNTandTETherelevantsectionlayerfunctionsofopticalSTM-4interfacesforNTandTEareshowninFigure4.Thedetailsoftheatomicfunctionsshowninthesefiguresaregiveninclauses5and6ofthepresentdocument.Twotypesofopticalinterfacesarerelevantforleasedlineconnections.Thesearetheintraofficeinterface(I4)andtheshorthaulinterfaceat1300nm(S4.1).RS4RS4/MS4RS4RS4/MS4RS4_CIRS4_CIRS4_AIRS4_AIOS4OS4OS4/RS4OS4/RS4OS4_CRS4_COS4_CIOS4_CIOS4_AIOS4_AIMS4MS4S4_CIMS4_CIMS4_CIMS4/SDMS4/SDSD_CISD_CIS1[5-8]S1[5-8]RI_RDIRI_REIMS4_CMS4/S4STM4_TI14MS4-LCSD_CIS4_CIMS4/S414Figure4:SectionlayersofanSTM-4interfaceforNTandTESIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)154.2PathlayerfunctionsforNT4.2.1NetworkpathlayerfunctionsforVC-4leasedlineconnectionsTherearenorequirementsontheVC-4pathlayerfunctionsforVC-4leasedlineconnectionsunderthepresentdocument.NOTE:TheconnectioncharacteristicsoftheVC-4pathlayerarespecifiedinthecompanionstandardEN301164[5].4.2.2NetworkpathlayerfunctionsforlowerorderVCleasedlineconnectionsTherelevantVC-4pathlayerfunctionsofanNTareshowninFigure5.Theirdetailsarespecifiedinclause7ofthepresentdocument.ThetimetakenforappearanceofremoteindicationofdefectsandblockerrorsdependsontheprocessingtimeoftheequipmentterminatingtheVC-4andtheroundtripdelaybetweenthatequipmentandtheleasedlineinterface.ThereforethetimingcriteriaforsettingandclearingofVC-4-RDIandVC-4-REIasgivenintheequipmentspecificationEN300417-4-1[10]cannotbedirectlyappliedtothepresentdocument.TherearenorequirementsonthelowerorderVCpathlayerfunctionsforlowerorderVCleasedlineconnectionsunderthepresentdocument.NOTE:TheconnectioncharacteristicsofthelowerorderVCpathlayersarespecifiedinthecompanionstandardEN301164[5].S4RI_RDIRI_REIS4/SXS4_AIS2_CIS12_CIS3_CIS4/SXS2_CIS12_CIS3_CIS4_CS4_CIS4_CIS4_AIS4S4-LCSD_CIS4_TIFigure5:NTpathlayerforlowerorderVCconnectionsSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)164.3PathlayersfunctionsforTE4.3.1TerminalpathlayerfunctionsforVC-4leasedlineconnectionsTherelevantVC-4pathlayerfunctionsofaTEareshowninFigure6.Theirdetailsarespecifiedinclause7ofthepresentdocument.Therearenorequirementsontheadaptationfunctionswithtwoexceptions:− theyshallbetimedbytheS4-TIsignal;− VC-4payloadsignalsthemappingofwhichisnotdefinedinETS300147[6]shallbescrambledwhenemulationoftheSTM-Nscramblerpolynomial1+x6+x7inmorethan8consecutivebytesoftheVC-4payloadcouldoccur.Scramblingisnotnecessarywhentheclientlayertakeactionstoexcludetheemulationofthescramblerpolynomialinmorethan8consecutivebytesoftheVC-4payload.NOTE:ScramblingprovidessecurityagainstmaliciousemulationoftheSDHset-resetscramblerpattern.Withoutscramblingaspecificpatterncouldgeneratealongsequenceofbinary"0"whichmaybedetectedasLossOfSignal(LOS)orreplicatetheSTM-Nframealignmentword.S4_CIS4_CIS4RI_RDI,RI_REIS4/clientS4_AIS4_CS4_TIS4-LCSD_CIS4S4_AIS4/clientFigure6:TerminalequipmentpathlayerforVC-4leasedlineconnections4.3.2TerminalpathlayerfunctionsforlowerorderVCleasedlineconnectionsTherelevantpathlayerfunctionsofaTEareshowninFigure7.Theirdetailsarespecifiedinclause7ofthepresentdocument.TherearenorequirementsontheadaptationfunctionsfromthelowerorderpathlayerstotheirsclientlayersexceptthattheyshallbetimedbytheassociateSm-TIsignal(m=12,2,3).Thepathlayersmaynotbeterminatedattheequipmentprovidingthephysicalinterface.Theymayalsobeoriginatedatdifferentequipment.TheappearancetimeofremoteindicationofdefectsandblockerrorsdependstheprocessingtimeoftheequipmentterminatingtheVCpathlayerandtheroundtripdelaybetweenthatequipmentandtheleasedlineinterface.ThereforethetimingcriteriaforsettingandclearingofVC-RDIandVC-REIasgivenintheequipmentspecificationEN300417-4-1[10]cannotbedirectlyappliedtothepresentdocument.SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)17S4RI_RDIRI_REIS4_AIS4_CS4_CIS4_CIS4_AIS4S4/SXS4/SXS2_CIS3_CIS2S2_AIS3S3_AIS2_CIS12_CIS3_CIS12S12_AIS2S2_AIS3S3_AIS4-LCSD_CIS4_TIS12/ClientS2/ClientS3/ClientS3/ClientS2/ClientS12-LCSD_CIS2-LCSD_CIS12_CIS12S12_AIS12/ClientRI_RDI,RI_REIRI_RDI,RI_REIRI_RDIRI_REIS3-LCSD_CIFigure7:TerminalequipmentpathlayersforlowerorderVCleasedlineconnections4.4MechanicalcharacteristicsforNTandTEinterfaces4.4.1ConnectorsfortheelectricalSTM-1interfaceNetworkandterminalinterfaceshallbeprovided,usingtwocoaxial75Ωsockets,oneeachfortransmitandreceive.Thesesocketsbeingeither:a)75Ωsockets(type1.6/5.6)complyingwithIEC60169-13[3];orb)75ΩBNCsocketscomplyingwiththegeneralrequirementsofIEC60169-8[2]withthematingdimensionsspecifiedinannexBofISO/IEC10173[4].Theouterconductorofthecoaxialpairshallbeconnectedtosignalgroundbothattheinputandattheoutputport.NOTE:WhenconnectingtheterminalequipmenttotheNetworkTerminationPoint(NTP),anydifferenceingroundpotentialbetweenthetwoequipmentsmayproduceavoltageacrossthesignalgroundconnectionandmaycausedamage.SeeIEC60364-5-548[14]fordetailsofearthingrequirementswithincustomers'premises.4.4.2ConnectorsforopticalSTM-NinterfacesNetworkandterminalinterfaceshallbeprovided,usingtwoopticalsockets,oneeachfortransmitandreceive.Thesesocketsarenotspecifiedinthepresentdocument.SIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)184.5SafetyRequirementsforsafetyareoutsidethescopeofthepresentdocument.SafetystandardsarepublishedbyCENELEC.NOTE1:AnexampleofsuchaCENELECproductsafetystandardisEN60950[1].NOTE2:Forsafetycategoriesofinterfaces,seeEG201212[15].4.6AU/TUnumberingschemeThenumberingofAU-4s(VC-4s)inanSTM-NandofTU-12s(VC-12s),TU-2s(VC-2s)andTU-3s(VC-3s)inaVC-4isspecifiedinsubclause3.3.3ofEN300417-1-1[7].5ApplicationofEN300417-2-1TherequirementsofEN300417-2-1[8]shallbeappliedexceptasindicatedintables1and2,whereN=Normative,I=Informative,andN/R=NotRelevant.Table1:GlobaldifferenceswithrespecttoEN300417-2-1[8]clause/subclauseTitlestate-mentAllAllmanagementinformation"._MI_."inthetablesforinputandoutputtables.N/RAllDefectcorrelationsN/RAllPerformancemonitoringN/RSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)19Table2:ApplicationofEN300417-2-1[8]clause/subclauseTitlestate-mentForewordI1ScopeI2NormativereferencesN3Definitions,abbreviationsandsymbolsN3.1DefinitionsN3.2AbbreviationsN3.3SymbolsanddiagrammaticconventionsN3.4IntroductionI4STM-1OpticalSectionLayerFunctionsN4.1OpticalSectionConnectionfunctionsN/R4.2OpticalSectionTrailTerminationfunctionsI4.2.1OpticalSectionTrailTerminationSourceOS1-Xy.z_TT_SoNReplacenote1by:"OnlyI.1andS.1.1arerelevant"Replacethetextofthedefectssectionby:"None"4.2.2OpticalSectionTrailTerminationSinkOS1-Xy.z_TT_SkNReplacenote1by:"OnlyI.1andS.1.1arerelevant"Processes:PortModeN/R4.3OpticalSectionAdaptationfunctionsI4.3.1OpticalSectiontoRegeneratorSectionAdaptationSourceOS1/RS1_A_SoReplacethetextoftheprocesssectionby:"TheoutputjittershallnotexceedthelimitsgiveninITU-TRecommendationG.825[12]"N4.3.2OpticalSectiontoRegeneratorSectionAdaptationSinkOS1/RS1_A_SkN5STM-4OpticalSectionLayerFunctionsN5.1OpticalSectionConnectionfunctionsN/R5.2OpticalSectionTrailTerminationfunctionsI5.2.1OpticalSectionTrailTerminationSourceOS4-Xy.z_TT_SoNReplacenote1by:"OnlyI.4andS.4.1arerelevant"Replacethetextofthedefectsectionsby:"None"5.2.2OpticalSectionTrailTerminationSinkOS4-Xy.z_TT_SkNReplacenote1by:"Only4.1andS.4.1arerelevant"Processes:PortModeN/R5.3OpticalSectionAdaptationfunctionsN5.3.1OpticalSectiontoRegeneratorSectionAdaptationSourceOS4/RS4_A_SoReplacethetextoftheprocesssectionby:"TheoutputjittershallnotexceedthelimitsgiveninITU-TRecommendationG.825[12]"N5.3.2OpticalSectiontoRegeneratorSectionAdaptationSinkOS4/RS4_A_SkN6STM-16OpticalSectionLayerFunctionsN/R7STM-64OpticalSectionLayerFunctionsN/R8STM-1ElectricalSectionLayerFunctionsN8.1STM-1ElectricalSectionConnectionfunctionES1_CN/R8.2STM-1ElectricalSectionTrailTerminationfunctionsI8.2.1STM-1ElectricalSectionTrailTerminationSourceES1_TT_SoN8.2.2STM-1ElectricalSectionTrailTerminationSinkES1_TT_SkNProcesses:PortModeN/R8.3STM-1ElectricalSectionAdaptationfunctionsI8.3.1STM-1ElectricalSectiontoRegeneratorSectionAdaptationSourceES1/RS1_A_SoReplaceundertheprocesssection"TheCMIencodingprocess."totheendofthatsectionby"TheoutputjittershallnotexceedthelimitsgiveninITU-TRecommendationG.825[12]"N8.3.2STM-1ElectricalSectiontoRegeneratorSectionAdaptationSinkES1/RS1_A_SkN9E4SectionLayerFunctionsN/R10E31SectionLayerFunctionsN/R11E22SectionLayerFunctionsN/R12E12SectionLayerFunctionsN/R13T12SectionLayerFunctionsN/R14E0SectionLayerFunctionsN/RAnnexAE32SectionLayerFunctionsN/RAnnexBE11SectionLayerFunctionsN/RSIST EN 301 165 V1.1.2:2003



ETSIETSIEN301165V1.1.2(2000-06)206ApplicationofEN300417-3-1TherequirementsofEN300417-3-1[9]shallbeappliedexceptasindicatedintables3and4,whereN=Norm
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