4G-Cell-Site---4G基站介绍-(中英文)PPT资料.pptx
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SketchMapofCellarBaseStation,EquipmentsinstallationandCableslayingOutlooksketchofacellsite,1/46,CellsiteOpticalCable,EquipmentRoom,Antenna,ACpowerfromGrid,2/46,BaseStation:
@#@InstallationPlanoftheIn-room2G/3Gequipments,Outdoorantenna,CableTray,HLKC,BastStationEquipments,SwitchingPower,BatteryPack1,BatteryPack2,CableTray,ACDistributionPanel,Aircon,GridACPower,6,3/4,BaseStation:
@#@InstallationPlanofthe4GIn-roomequipments,BatteryPack1,BatteryPack2,Comprehensivecabinet,CableTray,GroupingEquipmentSwitchingPowerHLKC,ACDistributionPanel,Outdoorantenna,Aircon,GridACPower,4/46,2G/3GbasestationCablelaying,GridACPower,TransmissionOpticalCable,Indoor,OpticalCable,Outdoor,Outdoor,Antenna,Feeder,SignalCable,OutdoorLightingprotectiongroundingbus,ACDistributionPanel,SwitchingPowerPowerCordWallMountedComprehensivecabinetBatteryPack,Internalwork/protectionGroundingbus,Ground,HLKC,4GbasestationCablelaying,5/46,GridACPower,TransmissionOptical,Indoor,OpticalCable,PowerModule,ACDistributionPanel,BatteryPack,GroundCablerack,Internalwork/protectionGroundingbus,Outdoorgroundingbus,GroupingEquipment,OpticalcablefixatorSwitchingPowerPowerCord,Outdoor,Outdoor,Antenna,PowerCord,LightingArrester,HLKCPowerModule,OpticalCable,EquipmentRoom-CableRack&@#@TrayInstallation,6/46,Thecablerackandcabletrayshouldbeinstalledaccordingtotheplan,lateraldeviationshallnotexceed50mmHorizontaldeviationofhorizontalcablerackshallnotexceed2mm;@#@VerticalDeviationofverticalcabletrayshallnotexceed3mmInstallationofcablerack/trayshallbefirmandstable,andshallbeshockproof.cablesshallbeboundontherack/trayinproperorder.,InstallationmustbedoneaccordingtotheplanHorizontaldeviation:
@#@AllowedHorizontaldeviationforinstallationoftherackis0.1%maxVerticalDeviatin:
@#@AllowedVerticaldeviationforinstallationoftherackis0.1%maxMaxclearance:
@#@samearrayoftheracksshouldbeonthesameline,deviationallowedis3mmmax,clearancebetweentworacksisabout3mm,7/46,Installationoftheequipments,CableLayingRequirementsinthecabletray.,8/46,Thesignalcablesshallbelaidstraightandwithouttwistingandknotting.Allturningpointsshallbesmooth&@#@easy.TheOuterlayerofshieldingwiresshallbegroundedfirmly.Thecoreofthecablesshallnotbedamaged,weldingpointshallbesmoothandwelldistributed,noleakageandvirtualweldingallowed.TheMaximumcablelengthfromthesystemcontrollertothechannelmachineshallmeetthetechnicalrequirementsonthemanual.Signalcables,highfrequencyfeedersandpowercordsshouldbedistributedseparately.,Installationofthepowercordandgroundingcable,Thelengthofthepowercordandgroundingcableshallmatchthemeasuredlengthofthecalbelayingpath,thencutthe-48Vpowercord,workinggoundcableandprotectiongroundcableaccordingly.Whenpeelingtheinsulationskin,thelengthofpeelingshallmatchthelengthofthelug.Clampthelugstightlyandthenheatshrinksealthelugandthecableproperly.Nouncoveredcablecoreisallowed.ConnectandfastenoneendofthepowercordonthepowerterminaloftheBTS,thenplacethepowercordneatlyalongthecablerack/tray,tieupthepowercordandthenterminalthepowercabletothepowercabinetproperly.ColorDefinitionofthePowerCordsTheCOMMONcolordefinitionofthepowercordsare:
@#@-48Vcord:
@#@BlackWorkingGround:
@#@BlueProtectionGround:
@#@YellowNOTE:
@#@Differentmanufacturesmighthavedifferentcolors,9/46,Min1sourceofGridACpowersupply,1ACdistributionPanel,1setof-48VHighFrequencyintegratedswitchingpower(includesACPowerunit,HighFrequencySwitchRectifierModule,MonitoringModule,DCdistributionUnit)and2pack(or1pack)ofVRLAbatteryunits,10/46,Compositionofthepowersupplysystem,ThePowersupplysystemmustmaintainsteady,reliableandcansupplypowersafely,Newbuildcellsiteshallinclude:
@#@,SketchMapofthepowersystemofbasestation,BatteryPack,LightingProtecionbox,SwitchPowerSupply,11/46,GridACpower,Genset,3GEquipments,2Gequipments,4GEquipmentsBackup,Fuse,Fuse,Monitoringmodule,Rectifiermodule,-48VPack1,-48VPack2,illumination,Sockets,Aircon,Transmission,Transmission,Backup,MorethanoneGridpowerlead-inarerequestedforthecellstations.Forsmalltownsandcountryside,theratedcapacityisrecommended15KW,forurbancities,suburbanandcountrybasedbasestations,20KWminisrecommended.ForMetropolitanUrbanbasestations,2530KWisrecommended.,12/46,TheACpowersupplysystemconsistsof380VACpowersupply,lightingprotectionbox,ACdistributionboxandswitchpowerAllACequipmentsofthebasestation,suchasswitchingpowersupplyframe,airconditioner,illuminatingdevice,sockets,aviationwarninglampofthetower,areconnectedfromtheoutputofACdistributionbox.,AtransferswitchneedtobeinstalledintheACdistributionboxf