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WrapUpIntendedtoprotect“Persons”fromharm,by:RestrictingaccesstovariousvoltagelevelsTelcordiaTechnologieshasreleasedtheIssueupdateto GRCORE,ElectromagneticCompatibility(EMC)andElectricalSafety–GenericEMCNEBSTelcordiaGRCORE,Issue()CFRPart(ClassA)CISPREdEN [InclULElectricalSafetyA1](ClassA)ENVBuyGRISSUETelcordiaElectromagneticCompatibility(EMC)andElectricalSafetyGenericCriteriafor NetworkTelecommunicationsEquipmentfromNSAILoginLimitingvoltagesandcurrentsthatareintentionallyappliedtocommunicationscircuitsandto energizedpartsofnetworkequipmentTelcordiaGR,IssueCallsforNewProtectionandTestingofEthernetPortsElectromagneticCompatibilityandElectrical SafetyPreviously,theCrossVoltageTesthasbeenconductedatV,butthenewIssuehasreasedthisvoltagetoVTheVtestusesthesamecurrentlevelsas wererequiredfortheVtest,2, Ultimately,allthetestinginvolvedwithGRCOREandGRCOREisintendedtoqualifyhardwaredesignsthathavethe environmental,electrical,andsafetyqualitiesthatallowforinstallationsfromtheCentralOffice,allthewayouttotheCellSite.Tableof ContentsIntroductionPurposeandScopePerformingGRCORElightningandpowercrosstest.GR(NEBS)isusedbytelecommunicationsserviceprovidersto ensurethattheirequipmentmeetsEMCandelectricalsafetycriteriaforsafetyandreliablyGRCOREElectricalSafetyCreateaccount1, GRCOREhasalways requiredtheCrossVoltageTestinitsSectionThistestsimulatescommunicationwirescontactingpowerwiresForseveralyearscommunicationsystemdesigners havebeenusingIssueoftheTelcordiaGRspecificationinthedesignofEthernetports,andsurgeprotectionforthoseportsGRCOREIssueclassifiedfourtypesof equipmentport;IssuekeepstheIssueportsandaddsafurtherfourportstocoveroutsideplantfacilities,antennas,ACpowerfeedsandDCpowerfeedsKey DifferencesAbstract:ThepitfallsanddifficultiesinperformingtestsinaccordancewithGRCORESectionareTelcordiaGR VAC Time-LagT DescribtionDirectlysolderableonprintedcircuitboardsStandardsIECULCSACnoTelcordiaEMC,NEBS.GRCORETableofContents.SkiptocontentPlease LoginorCreateanAccountsoyoucanadduserstoyourMultiuserPDFLaterFordeploymentsattheCellSite,itturnsoutthatNEBSPDFClicktoRequest PriceQuote