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ID:13456986
大小:1.26 MB
页数:79页
时间:2018-07-22
《乘用车制动系统技术要求及试验方法》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、GB14166—2001发布中华人民共和国国家质量监督检验检疫总局中国国家标准化管理委员会2008-07-01实施××××-××-××发布乘用车制动系统技术要求及试验方法TechnicalRequirementsandTestingMethodsforPassengercarBrakingSystems(报批稿)GBXXXX—XXXX中华人民共和国国家标准ICS43.040.40T24nthemainterminal,andthetelephoneOfficeisresponsibleforprovidingtheappropriatesiz
2、eadapterpatchpanelsandelectricalprotectionunit.(Shuttlebus)wiring(IDF)setupintheworkshoponthesecondfloorofthebuilding,locatedintheDistrictofweakelectricalcabinets(well).EngineroomplacedinsidetheCabinet,IDFplacedastandard40Ucabinetsforinstallationofnetworkandwiringdevices,ma
3、nagementcomputerandtelephoneinformation.CabinetdistributionframearemadeofSuperfiveRJ45patchpanelhorizontaltwistedpairconnections.Computerinformationmanagement,adminareausingthejumpers,whichusesprivateRJ45-RJ45softjumpersfornetworkdeviceswithjumpershoppingbetweenallswitches,
4、changes,expansionandmaintenanceweredonequicklyinthewiringcloset.TwistedlengthCentreroomislocatedonthesecondfloor,outwardradiationofeachline(exceptsomepointsmayexceed)doesnotexceed100metresinlength,allinformationforthevariousfloorsallrooms(distributionCabinet)unifiedmanageme
5、nt.Districtworkshopbuildingdistributionlines(IDF)viafiberopticcablesconnectedtothetotalroomcabinets.Fiberlengthwere:workshopstwoIDF:totalmorethan1200squaremeters,doublethenumberofstrandscanbecalculatedbymultiplyingtheaveragelengthofthenumberofinformationpointsare.Averagelev
6、elofeachlengthofcable:L=[(S1+S2)/2]+L1+L2l:averagelengthofcable;L1:MDFcableallowance;L2:otherallowancesS1:minimumhorizontalcablelength;S2:maximumhorizontallengthofcable;Officebuildingofinformation:aminimumof26meters,thelongestwas92meters,L=[(28+92)/2]+2.5+1=62.5m;Totallengt
7、hof62.5mx792=49500-meterineachbox(KFT)by300meterspercarton;Thetwisted-paircableboxyouwant=49500÷300=165(KFT);lossesnotincluded,eachabout15meters.Metallineslot,andmetallinetubeof1GB××××-××××目次前言………………………………………………………………………………………………………III1范围………………………………………………………………………………………………
8、…...12规范性引用文件……………………………………………………………………………………...13术语和定义………………………………………………………………………
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