IEC 61156-7-2023.docx
IECIEC61156-7Edition2.02023-02INTERNATIONA1.STANDARDMu1.ticoreandsymmetrica1.pair/munications-Part7:Symmetrica1.paircab1.eswithtransmissioncharacteristicsupto1200MHz-Sectiona1.specificationfordigita1.andana1.oguecommunicationcab1.esATHISPUB1.ICATIONISCOPYRIGHTPROTECTEDCoPyright©2023IEC1Geneva,Switzer1.andA1.1.rightsresec伯d.UnteesO1.herWigespecified,nopartofthispub1.icationmayberep<odcedoruti1.izedinanyformOfAanymeans,e1.ectronicormeca11<ca1.,inc1.udingpoxx>opyngandmcro1.m,Wf1.houtpermissioninwntngfromeitherIECofIECmemberNationa1.CommieinIhecountryoftherequester.IfyouhaveanyquestionsStxXJIIECcopyrighthaveanenquiryaboutOb1.aningancona1.rightStoth*sPUbtCagn.pte-ascontacttheaddressbe1.oworyour1.oca1.IECmc11crNatKXI霖COmn1.inC«f<xfurtherinformation.IECSeaeiariaiTd.:412291902113.ruedeVarembe,M<cchCH-1211Geneva20www.iec.chSWtZedBndAbouttheIECTheInternabona1.Etectrotechmca1.Commtsskxi(IEC)isthe1.eadingg1.oba1.organizationthatpreparesa11dpuWishes1.n½f11abona1.Standards1.ota1.1.e1.ectricai.Gectronicandre1.atedIechnoksgies.AboutIECpub1.icationsThetechnica1.contentdIECpub1.icationsISkeptunderConsUintreviewbyIbCIECP1.cascmakesurothatyouhavethe1.atestedition,acorrigendumoranamendmentmh1.havebeenPUbHhMIECpub1.icationssearchwcbstorc.icc.chadvscarchformTheadvancedsearchenab1.estofindIECpub1.icationst>yaIafteCyotcriteria!referencenumber.1x1.technica1.oommitt<jo.1.Ka1.sogivesnformabo11onprojects,rep1.acedarriw!hdrav,npub1.ications.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.easecontacttheCustomerServiceCnure.sates©»ec.ch.IECProducts&ServicesPor1.a1.products.icc.chDiscoverourPCWCrfU1.soarcengineandrc<×Jfree1.ya1.1.mCPuWkcatkxispreviews.WithaSuOecnpt1.onyouMIatwa>shaveaccessiouptoda1.eco11W11ttai1.oredtoyourneeds.EIaetrOPed3www.Hectropedia.orgTheVVOfIcfsIeadngon1.inedictionaryonetectfotechno1.ogy.nia11ingmorethan22300trm11otogica<entriesinEng1.shandFrench,withequcvaie!termsin19additiona1.1.anguages.A1.soKnOWnasteInternationa1.Etectfotechnica1.VccabUary(IEV)oi11o.IEC61156-7Edition2.0202302INTERNATIONA1.STANDARDMu1.ticoreandsymmetrica1.pair/munications-Part7:Symmetrica1.paircab1.eswithtransmissioncharacteristicsupto1200MHz-Sectiona1.specificationfordigita1.andana1.oguecommunicationcab1.esInternatkdna1.E1.ECTROTECHNICA1.COMMISSIONICS33.12020ISBN9782-83226374-7Warning!Makesurethatyouobtainedthispub1.icationfromanauthorizeddistributor.RcoaC<8HadWTUrt1.cfroIrsFsaJ8c11nh*3J8rm44iocCONTENTSFOREWORD51 Scope12 Normativereferences73 Termsanddefinitions74 Insta1.1.ationconsideration84.1 Genera1.remarks84.2 Bendingradiusofinsta1.1.edcab1.e84.3 C1.imaticconditions85 Materia1.andcaUeconstruction81 .1Genera1.remarks852 Cab1.econstruction85.2.1 Genera1.8522Conductor85.2.3 Insu1.ation95.2.4 Cab1.ee1.ement95.2.5 Cab1.emake-up95.2.6 Screeningofthecab1.ere95.2.7 Sheath95.2.8 Identification105.2.9 FinishedcaWe106CharacteristicsandrequirCmenIS106.1 Genera1.remarks106.2 E1.ectrica1.characteristicsandtests106.2.1 Conductorresistance10622Resistanceunba1.ancewithinapair106.2.3 Die1.ectricstrength106.2.4 Insu1.abonresistance116.2.5 Mutua1.capacitan116.2.6 Capacitanceunba1.ancepairtoground116.2.7 Transferimpedance116.2.8 Coupw>gattenuation116.2.9 Current-carryingcapacity126.2.10 Resistanceofthescreen1263Transmissioncharacteristics126.3 .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)nearendcrosstab166.3.9A1.ien(exogenous)tar-endcrossta1.k1663.10A1.ien(exogenous)crossta1.ko<bund1.edcab1.es166.3.11Impedance166.3.12Return1.oss(RD166.4 Mechanica1.anddimensiona1.characteristicsandrequirements17641Dimensiona1.requirements17642E1.ongationatbreako1theconductors176.4.3 Tensi1.estrengthoftbinsu1.ation176.4.4 E1.ongationatbreakoftheinsu1.ation176.4.5 Adhesionoftheinsu1.ationtotheCOndUctOr176.4.6 E1.ongationatbreakofthesheath176.4.7 Tensi1.estrengthofthesheath176.4.8 Crushtestofthecab«e176.4.9 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
