ITU-T K.59 (07 2003) (英) EMC, resistibility and sa

INTERNATIONALTELECOMMUNICATIONUNIONITU-TK.59TELECOMMUNICATIONSTANDARDIZATIONSECTOROFITU(07/2003)SERIESK:PROTECTIONAGAINSTINTERFERENCEEMC,resistibilityandsafetyrequirementsandproceduresforconnectiontounbundledcablesITU-TRecommendationK.59ITU-TRec.K.59(07/2003)iITU-TRecommendationK.59EMC,resistibilityandsafetyrequirementsandproceduresforconnectiontounbundledcablesSummaryWiththeliberalizationoftelecommunications,operators,whoarenottheownerofthecable,mayuseseveralpairsfromcablefordifferentservices.ThereisapossibilityofEMC,resistibilityandsafetyproblemsoccurringinthecable.ThisRecommendationaimstoestablishminimumrequirementsandprocedurestoensuresafeandproblem-freeoperationandmanagementrelatedtoEMC,resistibilityandsafetyforunbundling.SourceITU-TRecommendationK.59wasapprovedbyITU-TStudyGroup5(2001-2004)undertheITU-TRecommendationA.8procedureon29July2003.iiITU-TRec.K.59(07/2003)FOREWORDTheInternationalTelecommunicationUnion(ITU)istheUnitedNationsspecializedagencyinthefieldoftelecommunications.TheITUTelecommunicationStandardizationSector(ITU-T)isapermanentorganofITU.ITU-Tisresponsibleforstudyingtechnical,operatingandtariffquestionsandissuingRecommendationsonthemwithaviewtostandardizingtelecommunicationsonaworldwidebasis.TheWorldTelecommunicationStandardizationAssembly(WTSA),whichmeetseveryfouryears,establishesthetopicsforstudybytheITU-Tstudygroupswhich,inturn,produceRecommendationsonthesetopics.TheapprovalofITU-TRecommendationsiscoveredbytheprocedurelaiddowninWTSAResolution1.InsomeareasofinformationtechnologywhichfallwithinITU-T'spurview,thenecessarystandardsarepreparedonacollaborativebasiswithISOandIEC.NOTEInthisRecommendation,theexpressionAdministrationisusedforconcisenesstoindicatebothatelecommunicationadministrationandarecognizedoperatingagency.CompliancewiththisRecommendationisvoluntary.However,theRecommendationmaycontaincertainmandatoryprovisions(toensuree.g.interoperabilityorapplicability)andcompliancewiththeRecommendationisachievedwhenallofthesemandatoryprovisionsaremet.Thewordsshallorsomeotherobligatorylanguagesuchasmustandthenegativeequivalentsareusedtoexpressrequirements.TheuseofsuchwordsdoesnotsuggestthatcompliancewiththeRecommendationisrequiredofanyparty.INTELLECTUALPROPERTYRIGHTSITUdrawsattentiontothepossibilitythatthepracticeorimplementationofthisRecommendationmayinvolvetheuseofaclaimedIntellectualPropertyRight.ITUtakesnopositionconcerningtheevidence,validityorapplicabilityofclaimedIntellectualPropertyRights,whetherassertedbyITUmembersorothersoutsideoftheRecommendationdevelopmentprocess.AsofthedateofapprovalofthisRecommendation,ITUhadnotreceivednoticeofintellectualproperty,protectedbypatents,whichmayberequiredtoimplementthisRecommendation.However,implementorsarecautionedthatthismaynotrepresentthelatestinformationandarethereforestronglyurgedtoconsulttheTSBpatentdatabase.ITU2003Allrightsreserved.Nopartofthispublicationmaybereproduced,byanymeanswhatsoever,withoutthepriorwrittenpermissionofITU.ITU-TRec.K.59(07/2003)iiiCONTENTSPage1Scope............................................................................................................................12References.....................................................................................................................13DefinitionsandAbbreviations......................................................................................23.1Definitions......................................................................................................23.2Abbreviations.................................................................................................24Configurationandproblemsinmultipleoperatorenvironment...................................25Issuestobeconsidered.................................................................................................36Requirements................................................................................................................36.1Safety..............................................................................................................46.2Resistibility.....................................................................................................46.3EMC...............................................................................................................46.4Mutualinterference........................................................................................57Procedureforcountermeasure......................................................................................57.1Safety..............................................................................................................57.2Resistibility.....................................................................................................67.3Emissionandimmunity..................................................................................67.4Mutualinterference........................................................................................68Guidanceofresponsibility...............