Zte ZXR10 2900 Series - Chapter 3 Structure and Principle; Working Principle

Chapter3
StructureandPrinciple
TableofContents
WorkingPrinciple...............................................................11
HardwareStructure...........................................................12
Sub-boards.......................................................................18
PowerSupplyModule.........................................................21
WorkingPrinciple
ZXR102920/2928/2952/2936-FIseriesproductshavepowerful
functionsandsoundperformance.Accordingtosystemfunctions,
theproductcontainsthefollowingmodules:controlmodule,
switchingmodule,interfacemoduleandpowermodule.System
principlegureisshownasFigure1.
1.ControlModule:Controlmoduleconsistsofmainprocessor
andexternalfunctionalchipstoimplementapplicationssuch
asswitchingmodulecontrolandmanageforthesystem.It
providesserialportsfordataoperationandmaintenance.
2.SwitchModule:Themainpartofswitchmoduleisdedicated
Ethernetswitchchip,whichisusedtoprocessandswitchpack-
etssentfromports.
3.InterfaceModule:Themainpartofinterfacemoduleisphysical
layerchip,mainlyusedforconnectiontoexternalusersand
packetforwarding.
4.PowerModule:Powermoduleadoptsthe220VACor-48V
DCtooffertherequiredpowersupplyforotherpartsofthe
system.
CondentialandProprietaryInformationofZTECORPORATION11