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1、IECIEC61156-7Edition2.02023-02INTERNATIONA1.STANDARDMu1.ticoreandsymmetrica1.pair/munications-Part7:Symmetrica1.paircab1.eswithtransmissioncharacteristicsupto1200MHz-Sectiona1.specificationfordigita1.andana1.oguecommunicationcab1.esATHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright2023IEC1Geneva,Switzer
2、1.andA1.1.rightsresec伯d.UnteesO1.herWigespecified,nopartofthispub1.icationmayberepodcedoruti1.izedinanyformOfAanymeans,e1.ectronicormeca11opyngandmcro1.m,Wf1.houtpermissioninwntngfromeitherIECofIECmemberNationa1.CommieinIhecountryoftherequester.IfyouhaveanyquestionsStxXJIIECcopyrighthaveanenquiryabo
3、utOb1.aningancona1.rightStoth*sPUbtCagn.pte-ascontacttheaddressbe1.oworyour1.oca1.IECmc11crNatKXI霖COmn1.inCfxfurtherinformation.IECSeaeiariaiTd.:412291902113.ruedeVarembe,MyaIafteCyotcriteria!referencenumber.1x1.technica1.oommittjo.1.Ka1.sogivesnformabo11onprojects,rep1.acedarriw!hdrav,npub1.ication
4、s.IECJustPub1.ished-webstore.iec.ch,Justpub1.tshedStayuptodaU?onoi1.nowIECPUbhCi1.tiOns.JUStPUbbshodde1.atea1.1.newpub1.catonsreteased.Avai1.ab1.eon1.ineandonceamonthbyemai1.IECCustomerServiceCentre-webstore.1.ec.chescIfyouwhtogrveuyourfeedbackonthispub1.icationorneedfurtherasstsia11,p1.easecontactt
5、heCustomerServiceCnure.satesec.ch.IECProducts&ServicesPor1.a1.products.icc.chDiscoverourPCWCrfU1.soarcengineandrcshaveaccessiouptoda1.eco11W11ttai1.oredtoyourneeds.EIaetrOPed3www.Hectropedia.orgTheVVOfIcfsIeadngon1.inedictionaryonetectfotechno1.ogy.nia11ingmorethan22300trm11otogicaentriesinEng1.shan
6、dFrench,withequcvaie!termsin19additiona1.1.anguages.A1.soKnOWnasteInternationa1.Etectfotechnica1.VccabUary(IEV)oi11o.IEC61156-7Edition2.0202302INTERNATIONA1.STANDARDMu1.ticoreandsymmetrica1.pair/munications-Part7:Symmetrica1.paircab1.eswithtransmissioncharacteristicsupto1200MHz-Sectiona1.specificati
7、onfordigita1.andana1.oguecommunicationcab1.esInternatkdna1.E1.ECTROTECHNICA1.COMMISSIONICS33.12020ISBN9782-83226374-7Warning!Makesurethatyouobtainedthispub1.icationfromanauthorizeddistributor.RcoaCgattenuation116.2.9 Current-carryingcapacity126.2.10 Resistanceofthescreen1263Transmissioncharacteristi
8、cs126.3 .Genera1.remark126.3.2 Vetocityotpropagation(phaseve1.ocity)126.3.3 Phasede1.ayanddifferentia1.phasede1.ay(de1.ayskew)126.3.4 Attenuation()136.3.5 Unba1.ancea1.te11uati11ear-e11d(TC1.,E1.7C7Z)136.3.6 Near-endossta1.kMSNE)CJ；NEXT)146.37Farendcrossta1.k(PSCRFtCR156.3.8A1.ien(exogenous)nearendc
9、rosstab166.3.9A1.ien(exogenous)tar-endcrossta1.k1663.10A1.ien(exogenous)crossta1.kobund1.edcab1.es166.3.11Impedance166.3.12Return1.oss(RD166.4 Mechanica1.anddimensiona1.characteristicsandrequirements17641Dimensiona1.requirements17642E1.ongationatbreako1theconductors176.4.3 Tensi1.estrengthoftbinsu1.
10、ation176.4.4 E1.ongationatbreakoftheinsu1.ation176.4.5 Adhesionoftheinsu1.ationtotheCOndUctOr176.4.6 E1.ongationatbreakofthesheath176.4.7 Tensi1.estrengthofthesheath176.4.8 Crushtestofthecabe176.4.9 Impacttestofthecab1.e176.4.10 Bendingundertension186.4.11 4,11RepeatedbondingoftheCabIO186.4.12 Tensi1.ePCrkXmanOeofthecab1.e186.4.13 Shock-testrequirementsofthecab1.e186.4.14 Bump-testrequirementsofthecab1.e186.4.15 Vibrationtestrequirementsofthecab1.e186.5 Environmenta1.characteristics186.5.3 Shrinkageofinsu1.a
