SIST EN 300 288 V1.2.1:2004
(Main)Access and Terminals (AT); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); Network interface presentation
General Information
- Abstract
Revision to improve the safety related text following a liaison for TC Safety. Specification of the public network side of the interface and test procedures for compliance.
- Status
- Published
- Publication Date
- 30-Sep-2004
- Technical Committee
- SPN - Services and Protocols for Networks
- Current Stage
- 6060 - National Implementation/Publication (Adopted Project)
- Start Date
- 01-Oct-2004
- Due Date
- 01-Oct-2004
- Completion Date
- 01-Oct-2004
- Mandate
- T-147-2
Overview
SIST EN 300 288 V1.2.1:2004 is a European standard, harmonized by SIST, that specifies the technical requirements and test procedures for the network interface presentation of 64 kbit/s digital unrestricted leased lines with octet integrity (D64U) within public telecommunications networks. This standard ensures that leased line providers offer interfaces at network termination points (NTPs) in a uniform and reliable manner, facilitating seamless and safe connectivity for digital data transmission across public and private network environments. Additionally, this version includes revisions to enhance the safety-related provisions in alignment with telecommunications safety standards.
Key Topics
- Network Interface Presentation: Defines the requirements for how the 64 kbit/s digital leased line is presented at the public network interface, including mechanical, physical, and electrical characteristics.
- Octet Integrity: Guarantees the preservation of 8-bit data units, critical for digital services that require transparent data transmission without restriction.
- Test Procedures for Compliance: Outlines methodologies to verify compliance, focusing on the interface’s ability to meet specified electrical parameters, signal coding methods, waveform shape, impedance, and conversion loss.
- Codirectional Presentation: Ensures that both output and input signals are managed with timing and integrity preserved, supporting codirectional data flows at the NTP.
- Safety and EMC Considerations: The standard references safety requirements, electromagnetic compatibility (EMC), and overvoltage protections, providing guidelines for implementers to meet broader regulatory frameworks, although detailed requirements for these aspects are covered by other standards.
- Interoperability: Establishes compatibility between equipment provided by different vendors, ensuring interoperability across European public telecommunications networks.
Applications
SIST EN 300 288 V1.2.1:2004 is applied in various real-world telecommunications scenarios, including:
- Public Digital Leased Lines: Used by telecommunications operators and enterprise service providers to connect customer premises over reliable, high-fidelity channels.
- Interfacing Terminal Equipment: Ensures that devices such as routers, modems, and PBX systems compliant with the standard will work seamlessly at the network’s point of termination.
- Network Infrastructure Deployment: Supports the roll-out of backbone digital networks that depend on standardized interfaces for interoperability, performance, and service continuity.
- Regulatory Compliance: Facilitates the introduction and certification of new telecommunications products and services, meeting the requirements of Open Network Provision (ONP) and European directives for leased lines.
- Testing and Quality Assurance: Provides guidelines for manufacturers and network operators to test their equipment against specified requirements, ensuring consistent quality and performance before deployment.
Related Standards
For comprehensive deployment and compliance, SIST EN 300 288 V1.2.1:2004 should be considered alongside the following related standards:
- EN 300 289: Defines the connection characteristics for 64 kbit/s digital unrestricted leased lines with octet integrity.
- EN 300 290: Specifies terminal equipment interface requirements for D64U.
- ITU-T Recommendation G.703: Internationally recognized specification for physical and electrical characteristics of hierarchical digital interfaces.
- CENELEC EN 60950: Covers safety requirements for information technology equipment relevant to telecommunications interfaces.
- ETSI EG 201212: Provides electrical safety classification for telecommunications network interfaces.
- ITU-T Recommendation O.152: Offers guidance for error performance measuring equipment for 64 kbit/s digital lines.
Conclusion: Adopting SIST EN 300 288 V1.2.1:2004 enables organizations to deliver robust, interoperable, and compliant digital leased line services, supporting critical business applications and network infrastructure throughout Europe. Leveraging the guidelines outlined in this standard ensures quality, safety, and compatibility in public and private telecommunication networks.
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Frequently Asked Questions
SIST EN 300 288 V1.2.1:2004 is a standard published by the Slovenian Institute for Standardization (SIST). Its full title is "Access and Terminals (AT); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); Network interface presentation". This standard covers: Revision to improve the safety related text following a liaison for TC Safety. Specification of the public network side of the interface and test procedures for compliance.
Revision to improve the safety related text following a liaison for TC Safety. Specification of the public network side of the interface and test procedures for compliance.
SIST EN 300 288 V1.2.1:2004 is classified under the following ICS (International Classification for Standards) categories: 33.040.50 - Lines, connections and circuits. The ICS classification helps identify the subject area and facilitates finding related standards.
SIST EN 300 288 V1.2.1:2004 is associated with the following European legislation: Standardization Mandates: T-147-2. When a standard is cited in the Official Journal of the European Union, products manufactured in conformity with it benefit from a presumption of conformity with the essential requirements of the corresponding EU directive or regulation.
SIST EN 300 288 V1.2.1:2004 is available in PDF format for immediate download after purchase. The document can be added to your cart and obtained through the secure checkout process. Digital delivery ensures instant access to the complete standard document.
Standards Content (Sample)
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.Dostop in terminali (AT) - Digitalni zakupljeni vodi za prenosno hitrost 64 kbit/s brez omejitev za prenašane signale in z ohranjanjem oktetov (D64U) - Omrežni vmesnikAccess and Terminals (AT); 64 kbit/s digital unrestricted leased line with octet integrity (D64U); Network interface presentation33.040.50Vodi, zveze in tokokrogiLines, connections and circuitsICS:Ta slovenski standard je istoveten z:EN 300 288 Version 1.2.1SIST EN 300 288 V1.2.1:2004en01-oktober-2004SIST EN 300 288 V1.2.1:2004SLOVENSKI
STANDARD
ETSIEN300288V1.2.1(2001-07)EuropeanStandard(Telecommunicationsseries)AccessandTerminals(AT);64kbit/sdigitalunrestrictedleasedlinewithoctetintegrity(D64U);NetworkinterfacepresentationSIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)2ReferenceREN/AT-020004Keywordsdigital,interface,leasedline,ONP,testingETSI650RoutedesLuciolesF-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.©EuropeanTelecommunicationsStandardsInstitute2001.Allrightsreserved.SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)3ContentsIntellectualPropertyRights.5Foreword.5Introduction.61Scope.72References.73Definitionsandabbreviations.73.1Definitions.73.2Abbreviations.84Requirements.84.1Physicalcharacteristics.84.1.1Hardwiredconnection.94.1.2Socketspecification.94.1.3Shieldconnectionpoint.94.2Electricalcharacteristics.94.2.1Outputport.94.2.1.1Signalcoding.94.2.1.2Waveformshape.94.2.1.3Outputtiming.114.2.1.4Outputtimingunderfailureconditions.114.2.1.5Outputreturnloss.114.2.1.6Impedancetowardsground.114.2.1.7Longitudinalconversionloss.114.2.1.8Outputsignalbalance.114.2.2Inputport.124.2.2.1Signalcoding.124.2.2.2Inputtimingandjittertolerance.124.2.2.3Inputreturnloss.124.2.2.4Inputlosstolerance.124.2.2.5Immunityagainstreflections.124.2.2.6Impedancetowardsground.134.2.2.7Longitudinalconversionloss.134.3Safety.134.4Overvoltage.134.5Electromagneticcompatibility.13AnnexA(normative):Testmethods.14A.1General.14A.1.1Additionalinformationtosupportthetest.14A.1.2Equipmentconnection.14A.2Testmethods.15A.2.1Signalcodingatoutputport.15A.2.2Waveformshapeatoutputport.15A.2.3Outputtimingunderfailureconditions.16A.2.4Inputcoding,losstoleranceandimmunityagainstreflections.17A.2.5Returnlossatinputport.18A.2.6Longitudinalconversionloss.18A.2.7Impedancetowardsground.19SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)4AnnexB(normative):Codeconversionrules.20AnnexC(informative):Bibliography.21History.22SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)5IntellectualPropertyRightsIPRsessentialorpotentiallyessentialtothepresentdocumentmayhavebeendeclaredtoETSI.TheinformationpertainingtotheseessentialIPRs,ifany,ispubliclyavailableforETSImembersandnon-members,andcanbefoundinETSISR000314:"IntellectualPropertyRights(IPRs);Essential,orpotentiallyEssential,IPRsnotifiedtoETSIinrespectofETSIstandards",whichisavailablefromtheETSISecretariat.LatestupdatesareavailableontheETSIWebserver(http://www.etsi.org/ipr).PursuanttotheETSIIPRPolicy,noinvestigation,includingIPRsearches,hasbeencarriedoutbyETSI.NoguaranteecanbegivenastotheexistenceofotherIPRsnotreferencedinETSISR000314(ortheupdatesontheETSIWebserver)whichare,ormaybe,ormaybecome,essentialtothepresentdocument.ForewordThisEuropeanStandard(Telecommunicationsseries)hasbeenproducedbyETSITechnicalCommitteeAccessandTerminals(AT).ThepresentdocumentresultedfromamandatefromtheCommissionoftheEuropeanCommunity(CEC)toprovidestandardsforthesupportoftheDirectiveonOpenNetworkProvision(ONP)ofleasedlines(92/44/EEC)(seeannexC).Therearetwootherstandardsdirectlyrelatedtothepresentdocument:-EN300289:"AccessandTerminals(AT);64kbit/sdigitalunrestrictedleasedlinewithoctetintegrity(D64U);Connectioncharacteristics";-EN300290:"AccessandTerminals(AT);64kbit/sdigitalunrestrictedleasedlinewithoctetintegrity(D64U);Terminalequipmentinterface".ThepresentdocumentisbasedoninformationfromITU-TRecommendationsandETSIpublicationsandtherelevantdocumentsarequotedwhereappropriate.NationaltranspositiondatesDateofadoptionofthisEN:29June2001DateoflatestannouncementofthisEN(doa):30September2001DateoflatestpublicationofnewNationalStandardorendorsementofthisEN(dop/e):31March2002DateofwithdrawalofanyconflictingNationalStandard(dow):31March2002SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)6IntroductionTheCouncilDirectiveontheapplicationofOpenNetworkProvision(ONP)toleasedlines(92/44/EEC)(seeannexC)concernstheharmonizationofconditionsforopenandefficientaccessto,anduseof,theleasedlinesprovidedoverpublictelecommunicationsnetworksandtheavailabilitythroughouttheCommunity(EEC)ofaminimumsetofleasedlineswithharmonizedtechnicalcharacteristics.OthercountriesoutsidetheEECmayalsochoosetoprovideleasedlinesaccordingtothestandardsproducedtosupporttheDirective(ofwhichthepresentdocumentisoneoftheset).TheconsequenceoftheDirectiveisthatTelecommunicationsOrganizationswithintheEECshallmakeavailableasetofleasedlinesbetweenpointsinthesecountrieswithspecifiedconnectioncharacteristicsandspecifiedinterfaces.UndertheDirective91/263/EEC(seeannexC),laterreplacedby98/13/EC(seeannexC),terminalequipmentforconnectiontotheseleasedlineswasrequiredtofulfilcertainessentialrequirements.Thepresentversionofthepresentdocumenthasbeenproducedtointroducesomenecessarychanges.ETS300166(seeannexC)andITU-TRecommendationG.703[1]wereusedasthebasisfortheinterfacepresentationrequirements.SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)71ScopeThepresentdocumentspecifiesthetechnicalrequirementsandtestprinciplesforthenetworkinterfacepresentationsofOpenNetworkProvision(ONP)64kbit/sdigitalunrestrictedleasedlineswithoctetintegrity.Thesepresentationsarecodirectional.AconnectionispresentedviainterfacesatNetworkTerminationPoints(NTP).Thepresentdocumentdefinesthenetworkinterfacepresentedbytheleasedlineproviderandshouldbeusedinconjunctionwiththecompanionstandard,EN300289[3],whichspecifiestheconnectioncharacteristicsbetweentheNTPsoftheleasedline.Together,thesedocumentsdescribetheserviceoffered.Thepresentdocumentisapplicabletoleasedlines,includingparttimeleasedlines,whoseestablishmentorreleasedoesnotrequireanyprotocolexchangeorotherinterventionattheNTP.Thepresentdocumentcoversthephysical,mechanicalandelectricalcharacteristics(exceptsafety,overvoltageandEMCaspects)ofthenetworkinterfaceandspecifiestheconformancetestsforequipmentofthekindthatprovidestheinterfacepresentation.Someofthetestsdescribedinthepresentdocumentarenotdesignedtobeappliedtotheinterfaceofaninstalledleasedline;suchtestsmaybeappliedtoequipmentofthekindusedtoprovidetheinterface.Thepresentdocumentdoesnotincludedetailsconcerningtheimplementationofthetestsnordoesitincludeinformationonanyregulationsconcerningtesting.Thereisnorequirementforeachleasedlinetobetestedinaccordancewiththepresentdocumentbeforeitisbroughtinto,orreturnedinto,service.2ReferencesThefollowingdocumentscontainprovisionswhich,throughreferenceinthistext,constituteprovisionsofthepresentdocument.• Referencesareeitherspecific(identifiedbydateofpublication,editionnumber,versionnumber,etc.)ornon-specific.• Foraspecificreference,subsequentrevisionsdonotapply.• Foranon-specificreference,thelatestversionapplies.[1]ITU-TRecommendationG.703(1998):"Physical/electricalcharacteristicsofhierarchicaldigitalinterfaces".[2]ITU-TRecommendationO.152(1992):"Errorperformancemeasuringequipmentforbitratesof64kbit/sandNx64kbit/s".[3]ETSIEN300289:"AccessandTerminals(AT);64kbit/sdigitalunrestrictedleasedlinewithoctetintegrity(D64U);Connectioncharacteristics".[4]ETSIEN300290:"AccessandTerminals(AT);64kbit/sdigitalunrestrictedleasedlinewithoctetintegrity(D64U);Terminalequipmentinterface".3Definitionsandabbreviations3.1DefinitionsForthepurposesofthepresentdocument,thefollowingtermsanddefinitionsapply:leasedlines:telecommunicationsfacilitiesprovidedbyapublictelecommunicationsnetworkthatprovidedefinedtransmissioncharacteristicsbetweennetworkterminationpointsandthatdonotincludeswitchingfunctionsthattheusercancontrol(e.g.on-demandswitching)SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)8NetworkTerminationPoint(NTP):allphysicalconnectionsandtheirtechnicalaccessspecificationswhichformpartofthepublictelecommunicationsnetworkandarenecessaryforaccesstoandefficientcommunicationthroughthatpublicnetworkTerminalEquipment(TE):equipmentintendedtobeconnectedtothepublictelecommunicationsnetwork,i.e.:a)tobeconnecteddirectlytotheterminationofapublictelecommunicationnetwork;orb)tointerworkwithapublictelecommunicationsnetworkbeingconnecteddirectlyorindirectlytotheterminationofapublictelecommunicationsnetwork,inordertosend,process,orreceiveinformation.3.2AbbreviationsForthepurposesofthepresentdocument,thefollowingabbreviationsapply:D64U64kbit/sdigitalunrestrictedONPleasedlinewithoctetintegritydcdirectcurrentEMCElectro-MagneticCompatibilityNTPNetworkTerminationPointONPOpenNetworkProvisionppmpartspermillionPRBS(211-1)PseudoRandomBitSequence(asdefinedinclause2.1ofITU-TRecommendationO.152[2])rmsrootmeansquareRXReceive(asignalinputateithertheleasedlineinterfaceorthetestequipment,seefigure1)TETerminalEquipmentTXTransmit(asignaloutputateithertheleasedlineinterfaceorthetestequipment,seefigure1)4RequirementsThe64kbit/sunrestrictedleasedlineprovidesabidirectional,point-to-pointdigitalleasedlinewithausablebitrateof64kbit/sandoctetintegrity,wheretheoutputtimingisprovidedfromthenetwork.Theinterfacetimingarrangementsarecodirectional.NOTE:Ifequipmentprovidingtheinterfacerequiresamainssupply,theleasedlineprovidershouldbringthistotheattentionoftheusersothattheusercanprovidemainssupplyback-upfacilities,ifrequired.4.1PhysicalcharacteristicsTheconnectionarrangementsprovidedbytheleasedlineinterfaceshallbesuitableforhardwiredconnection(seeclause4.1.1).However,withtheagreementoftheuser,analternativemeansofconnection,usingasocket,maybeprovided(seeclause4.1.2).Thetransmitpairistheoutputfromthenetworkinterface.Thereceivepairistheinputtothenetworkinterface,asshowninfigure1.Wheretheterms"output"and"input"areusedwithoutqualificationinthepresentdocument,theyrefertothenetworkinterface.INPUTINPUTOUTPUTOUTPUTTXNETWORKINTERFACERXTXTERMINALEQUIPMENTRXFigure1TheuseontheterminalequipmentsideoftheinterfaceofshieldedcablesmaybenecessarytomeetradiationandimmunityrequirementsdefinedinElectro-MagneticCompatibility(EMC)standards.ThereforetheNTPisrequiredtoprovideapointforconnectionoftheshield(seeclause4.1.3).SIST EN 300 288 V1.2.1:2004
ETSIETSIEN300288V1.2.1(2001-07)94.1.1HardwiredconnectionRequirement:Wheretheleasedlineisbeingpresentedasahardwiredconnection,theleasedlineinterfaceshallprovideameansofterminatingwirewithsolidconductorshavingdiametersintherange0,4mmto0,6mm.Theleasedlineprovidershallp
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