ETSI ES 202 913 V1.2.2 (2006-01) Access and Termin

ETSIES202913V1.2.2(2006-01)ETSIStandardAccessandTerminals(AT);POTSrequirementsapplicabletoADSLmodemswhenconnectedtoananaloguepresentedPSTNlineETSIETSIES202913V1.2.2(2006-01)2ReferenceRES/AT-010136KeywordsADSL,analogue,POTS,PSTN,terminalETSI650RoutedesLuciolesF-06921SophiaAntipolisCedex-FRANCETel.:[phone]Fax:[phone]SiretN°34862356200017-NAF742CAssociationàbutnonlucratifenregistréeàlaSous-PréfecturedeGrasse(06)N°7803/88ImportantnoticeIndividualcopiesofthepresentdocumentcanbedownloadedfrom:(PDF).Incaseofdispute,thereferenceshallbetheprintingonETSIprintersofthePDFversionkeptonaspecificnetworkdrivewithinETSISecretariat.Usersofthepresentdocumentshouldbeawarethatthedocumentmaybesubjecttorevisionorchangeofstatus.InformationonthecurrentstatusofthisandotherETSIdocumentsisavailableat:©EuropeanTelecommunicationsStandardsInstitute2006.Allrightsreserved.DECTTM,PLUGTESTSTMandUMTSTMareTradeMarksofETSIregisteredforthebenefitofitsMembers.TIPHONTMandtheTIPHONlogoareTradeMarkscurrentlybeingregisteredbyETSIforthebenefitofitsMembers.3GPPTMisaTradeMarkofETSIregisteredforthebenefitofitsMembersandofthe3GPPOrganizationalPartners.ETSIETSIES202913V1.2.2(2006-01)3ContentsIntellectualPropertyRights................................................................................................................................4Foreword.............................................................................................................................................................4Introduction........................................................................................................................................................41Scope........................................................................................................................................................52References................................................................................................................................................53Definitionsandabbreviations...................................................................................................................63.1Definitions..........................................................................................................................................................63.2Abbreviations.....................................................................................................................................................64Generalaspects-Rationaleforrequirements...........................................................................................64.1Polarity...............................................................................................................................................................84.2DCresistance......................................................................................................................................................84.3Ringingimpedance.............................................................................................................................................84.4Transientresponsetoringingsignals.................................................................................................................84.5DCcurrentduringringing..................................................................................................................................84.6Impedanceunbalanceaboutearth......................................................................................................................84.7DCresistancetoearth.........................................................................................................................................94.8ImpedanceforPSTNvoicebandandmeteringsignals......................................................................................94.8.1Voiceband(200Hzto4000Hz).................................................................................................................94.8.2Frequenciesusedformeteringpulses(12kHzand16kHz).......................................................................104.9(Informative)DCsignalling.............................................................................................................................104.10(Informative)Distortioneffects........................................................................................................................10History.................................................