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Larger works.ppt


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Larger works.ppt
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worksChapter8Copyright2001PrenticeHall Revision2:July20011Multi-hubLANsMultiplehubsMultiplehubsin10Base-TMultiplehubsin100Base-2HubsChapter7Single-huborsingle-switchLAN200metermaximumdistancespanbetweenfarthesttwostationswithUTP100m100mXY200m3HubsChapter8Multiple-hubLANsToincreasemaximum distancespan100m100m100m4MultipleHubsin10Base-TFartheststationsin10Base-Tcanbefivesegments(500metersapart)100meterspersegmentSeparatedbyfourhubs100m100m100m100m100m500m,4hubs10Base-Thubs5MultipleHubsin10Base-TNoloopsallowedOnlyonepossiblepathbetweenanytwostationsNoLoopsABC123456AB=1,2,3,4,5AC=1,2,3,4,6BC=5,4,6Firsttwohave toomanyhubsNo!6MultipleHubsin10Base-TPracticalLimitin10Base-eptableservicebeyond200stationsMaximumpossiblespannormallyembracesmorethan200stationsIn10Base-T,thenumberofstationsisthereallimittodistancespansStill,itispossibletohaveaLANwithmorethana200metermaximumspan7MultipleHubsin100Base-TXLimitofTwoAdjacentHubsin100Base-TXMustbewithinafewmetersofeachotherMaximumspanis200metersShortermaximumspanthan10Base-T100m100m2CollocatedHubs100Base-TXHubs~200m8MultipleHubswith1000Base-Maximumspanis200metersSamelimitas100Base-TXShortermaximumspanthan10Base-worksNoMaximumDistanceSpansHierarchiesandSinglePossiblePathsHighSpeedsandLowPrices10 内容来自淘豆网www.taodocs.com转载请标明出处.