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1、本科生畢業(yè)設計（論文）AbstractInrecentyears,withthedevelopmentoftheinformationsociety,theglobalInternetbusinessshowedanexplosivegrowthtrend.TheimplementationofthefiberopticalnetworkofSDHisonthebasisofthetransmissionplatformofZTEMP320,itcanprovideasimulationenvironmentfortheentireoptic
2、transmissionnetwork.ThispaperstudiesthetechniqueofSDHnetwork,describesthebasicprincipleofSDHmappingmultiplexing,structureofframe,categoriesoftopology,andresearchesthemethodsofprotectionoftheopticnetwork.Accordingtotheinstructionrequirement,anoptictransmissionnetworkwith9nod
3、esissetup,theservicesbetweentwonodesareconfiguredthroughthenetworkwiththecostsorminimumresourcesofthenetwork.ThesystemtimeclockisconfiguredandchoosenodeDasprimaryclock.OfficewireiscompletedandchoosenodeDascontrollerofthenetwork.Multiplexingsectionprotectionandpathprotection
4、isfinished.Aftercarefuldesign,realizedsimulations,performancetestsshowthatthesynchronousdigitalhierarchynetworkisreasonable,itcanbeusedforpracticalengineering.Keywords:SDH;networks;opticaltransmission;STM-N;networking;multiplexing;opticalinterfaceIII本科生畢業(yè)設計（論文）TableofConten
5、tsChapter1Introduction11.1Background11.2CharacteristicsofSDHnetwork11.3Researchobjectivesandsignificance2Chapter2SDHPrinciples42.1SDHsignalframestructureandmultiplexingsteps42.1.1SDHsignalframestructure42.1.2SDHmultiplexingstep62.2SDHequipmentlogicfunctionblocks52.3Thebasic
6、networktopology62.4Self-healingnetwork8Chapter3SDHNetworkArchitectures103.1Apoint-to-pointSDHlink103.2ASDHRingNetwork113.3Multi-RingSDHTopology123.4SDHRingProtectionMechanisms133.5TheRingProtectionArchitectures13Chapter4RealizationofOpticTransmissionNetwork184.1Networktopol
7、ogy184.2Networkingrealization184.2.1Setupthenetworknodes194.2.2Installationoftheboardsinnodes204.3SystemClockconfigurations234.4Officewireconfigurations264.6Serviceconfiguration274.6.1AtoI2mb/s*10serviceconfiguration274.6.2Theresultsofservicesofnetwork304.7Serviceprotection
8、configuration324.7.1ServiceprotectionfromAtoB32III本科生畢業(yè)設計（論文）4.7.1Serviceprotectio
