IEC 61156-6-2002 数字通信用对绞/星绞多芯和对称电缆.第6部分:不高于600MHz的有传输特性的对绞/星绞对称电缆.工作场所布线.分规范

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【英文标准名称】:Multicoreandsymmetricalpair/quadcablesfordigitalcommunications-Part6:Symmetricalpair/quadcableswithtransmissioncharacteristicsupto600MHz;Workareawiring;Sectionalspecification
【原文标准名称】:数字通信用对绞/星绞多芯和对称电缆.第6部分:不高于600MHz的有传输特性的对绞/星绞对称电缆.工作场所布线.分规范
【标准号】:IEC61156-6-2002
【标准状态】:作废
【国别】:国际
【发布日期】:2002-03
【实施或试行日期】:
【发布单位】:国际电工委员会(IEC)
【起草单位】:IEC/SC46C
【标准类型】:()
【标准水平】:()
【中文主题词】:布线;电信;对称的;多线的;尺寸;分规范;数字信号;数据传送;设计;环境条件;电缆;规范;综合业务数字网;可及区;数据网络;多芯电缆;室内;电性质和电现象;通信电缆;特性;对绞线;局域网;定义;传输特性;数字的;电气工程
【英文主题词】:
【摘要】:ThissectionalspecificationrelatestoIEC61156-1:Multicoreandsymmetricalpair/quadcablesfordigitalcommunications-Part1:Genericspecification.Thecablesdescribedhereinarespecificallyintendedtoconstructpatch,equipment,andworkareacordsforclassD,EaridFchannels,asdefinedinIEC11801:2000,Informationtechnology-Genericcablingforcustomerpremises(seeTable1).Itcoversindividuallyscreened(STP),commonscreened(FTP)andunscreened(UTP)pairsorquadshavingapaircountoffourpairsorless.Thetransmissioncharacteristicsofthecablesarespecifiedat20℃.SeeAnnexAofIEC61156-5foradiscussionofcableperformanceattemperatureshigherthan20℃.Thedesignation"Category5e"isusedhereintodescribeanenhancedCategory5cableandisusedinthesamecontextas"Category5"inISO/IEC11801.ThisenhancedcableisdesignatedCategory5etodifferentiateitfromtheCategory5cablesdescribedinIEC61156-2,61156-3,and61156-4.AlthoughbothCategory5and5ecablesarecharacterizedto100MHzandcaninusedforClassDchannels,Category5ehasadditionalrequirements,ascomparedtoCategory5,whichmakeitpreferredforuseinsystemsutilizingfourpairstransmittingsimultaneouslyinbothdirections.Thesecablesareintendedforvariousnewcommunicationsystemsthatareunderdevelopmentandwhichuseasmanyasfourpairssimultaneously.Inthissense,thissectionalspecificationprovidesthecablecharacteristicsrequiredbysystemdeveloperstoevaluatenewsystems.Thecablescoveredbythissectionalspecificationareintendedtooperatewithvoltagesandcurrentsnormallyencounteredincommunicationsystems.Thesecablesarenotintendedtobeusedinconjunctionwithlowimpedancesources,forexample,theelectricpowersuppliesofpublicutilitymains.Thoughtherecommendedtemperaturerangeduringinstallationis0℃+50℃,theactualtemperaturerangeduringinstallationshouldbeindicatedinthedetailspecification.
【中国标准分类号】:K13
【国际标准分类号】:33_120_20
【页数】:18P;A4
【正文语种】:英语


Product Code:SAE MA1547
Title:Wrenches, Twelve Spline, Metric
Issuing Committee:Eg-1b Hand Tools Committee
Scope: This standard covers the design, performance, and test requirements for high strength, thin wall, commercial sockets, universal sockets, and box wrenches used for the attachment and detachment of metric spline drive, high strength, and high temperature aircraft fasteners.Inclusion of dimensional data in this standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.This standard is based on, but not limited to, the following external spline wrenching system:MA1549 - Wrenching Configuration, 12 Spline, For Metric Threaded FastenersMA1586 - Wrench Configuration, 12 Spline Drive, Metric
Rationale: This standard covers the design, performance, and test requirements for high strength, thin wall, commercial sockets, universal sockets, and box wrenches used for the attachment and detachment of metric spline drive, high strength, and high temperature aircraft fasteners.Inclusion of dimensional data in this standard is not intended to imply that all of the products described herein are stock production sizes. Consumers are requested to consult with manufacturers concerning lists of stock production sizes.This standard is based on, but not limited to, the following external spline wrenching system:MA1549 - Wrenching Configuration, 12 Spline, For Metric Threaded FastenersMA1586 - Wrench Configuration, 12 Spline Drive, MetricProduct Code:SAE J2034
Title:Personal Watercraft Ventilation Systems
Issuing Committee:Personal Watercraft Committee
Scope: This SAE Recommended Practice applies to personal watercraft as defined in 2.1.
Rationale: This SAE Recommended Practice applies to personal watercraft as defined in 2.1.