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1、incomeinvestmentreturnoninvestment.Toprotectusers'investmentsandperformance,betweennetworkdevicesandcablingmustbeguaranteedfromtheuserterminaltothelengthoftheShallbelessthan100m;levelcontrolwithin95meterscablelengthtopreventtransmissionsignalattenuation.Allcablesmustbelayingconduitorbridge.C
2、.mainsubsystemsusuallylog-Superfive25oncable.Officebuildingduetotheengineeringofcomputerinformationandcommunicationsystemsareover100metres,itproposestoadoptthewayeachpullinformationstraightintotheengineroom,cansaveeverylayerofmanagementdistributionframe.D.administrativezonessubsystemmanageme
3、ntareausing110AB2wiringrack,slot,reelandjumperforconnectingtrunksandtwistedeachclient'slevelandfullyinstalledinthecorrespondingboxisequippedwithwall-mountedprotection.Adminareawith110AB2-100F-MDFconstructionmanagementsubsystem.110serieslineper25toonerow,110-100onthewirerackcanendup24pointsof
4、information.Eachmanagementpoint,andareequippedwiththeappropriatejumperCCW-F-1PR,CCW-F-2PRtwin/twojumpers,thetwofastest-jumperforjumperconnectionchanges.E.devicesubsystemdevicesubsystemsnamelytelephoneroomandcomputerroomfromcablesbetweendevices,adaptersandrelatedhardware,equipmentnetworkconne
5、ctingvariousdevicesinpublic.Maindistributionframe,thejumpersandtheenclosures.Allcablesarebroughttogethertoaworkshoponthesecondfloor,androomsconnectedtoafiberoptic,110PB2-100FTtotalwiringbetweencomputernetworkequipmentracks,110serieslineper25toonerow,110-100onthewirerackcanendup24pointsofinfo
6、rmation.Inthemanagementpoint,withcorrespondingjumperone/twopairsofjumpers,thetwofastest-jumperforjumperconnectionchangescomputersystemsandphonesystemsExchange,throughthetotalachievedbywiringpatchpanels.F.environmentalrequirementsinformationoutlets:RJ-45embeddedsocketinstalledinwalls,distance
7、sshouldbe30cmfromtheground,fromthepowersupplysocket30cm.Powersupply:dualpowersupply,withareadyandautomaticallyswitchpowertothemanagementpoint.Groundingequipmentcombinedearthingsystem,thegroundingresistanceislessthan1ohm;oraseparateearthingsystem,th
