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1、智能大厦弱电工程之计算机网络系统解决方案1概述1.1主要引用的技术规范1、GB50169-92《电气装置安装工程接地装置施工及验收规范》；2、GB50174-93《电子计算机机房设计规范》；3、IEEE802.1Q《虚拟桥接局域网标准》；4、IEEE802.3《基于CSMA/CD访问方式的局域网标准》；5、IEEE802.1D《媒体访问控制桥标准》；6、RFC821《SMTP：简单邮件传输协议》；7、RFC1661《PPP：点到点协议》；8、RFC1583、RFC2178《OSPFv2：OSPF动态路
2、由协议版本2》；9、RFC2236IGMP：互联网组管理协议版本2》；10、RFC1157《SNMP：简单网络管理协议》；11、RFC1213《MIB-II：基于TCP/IP协议互联网网络管理的管理信息库》；JGJ/T16-92《民用建筑电气设计规范》。1.2总体设计根据对智能大厦网络部分的分析，为了明晰整个网络各系统、设备间的逻辑关系，我们在需求分析时引入了模块化设计的设计思想，将网络系统进行结构细化，分为四个子系统，其逻辑关系如下图所示：网络系统组成该四个子系统的有机组合，组成完整的智能大厦网络系
3、统。下面我们针对每个子系统设计进行详细讨论。enforcedthermalinsulationstartscheckingsystem,issuedbythethermalinsulationconstructionbeforeyoustarttonotice,transferinspectionofupperandloweroperationandtransferofrecords.Foroutdooroperation,pipelineequipmenttoeffectivelycarryoutt
4、heinsulationwaterproofmeasuresfailtoinstallprotectivepanelsinpartwiththreetarpaulincover,topreventinsulationfrommoisture.InsulationseamMichaelJackson5mm,joints,joints>100mm,insulationthicknesstolerance(+10MM~–5mm),appropriatematerialelasticbanding,spaci
5、ngaccordingtothedesignrequirements,rigidinsulationsoftmaterialsforconstructionjointstight;Andlarge-diameterverticalpipeforhightemperaturepipelineinstrictaccordancewithdesigndrawingscalledfortheestablishmentofexpansionjointsandholdingbracket;Designrequir
6、ementsintoaremovabletypeofinsulation,instrictaccordancewithspecificationsdisconnectfromtheotherinsulation;Surfaceinsulationboardsinthetechnologyofplasteringconstructionofwovenclothtopreventpollutionandprotectivepanelsflushwiththesurfaceinterface,tightan
7、dclean.Sitemeasurementofinsulationboardsforelbowshapecutting,ensurethateachpieceoflappedtraffic,arctransitionofnatural,beautiful,screwsup.Stampedeoutsideconstructionpersonnelisstrictlyprohibitedandshelveobjectsdirectlyontheoutershield.Inordertopreventth
8、epollution-proneheater,channelareaofsecondarypollutionoflarge-diameterpipesandotherequipment,weavingcloth,anderectionoftheseparationplatformforpreservation.Thermalinsulationconstruction,on-hooktackweldedtotheconsolidatedline,toen
