DWDMEDFAHTF6000-EDFAisafamilyofgain-flattenedunidirectionalEDFA.Itsworkingw***elengthisnormallyC-Band(1529~1561nm),specialworkingw***elengthrangecanbediscussedwithHTFuture.Becauseofadoptingoptimaldesignofopticalpath,itcanamplifytheC-Bandsignalwithorwithoutmiddlestageaccess(MSA),atfixedgainorvariablegain,whichbringsgreatflexibilityforthenetworkapplication.Besides,foradoptinghighqualityGFFandreasonabledesignofopticalpath,itachievesverygoodgainflatnessandverylownoisefigure.Opticalsupervisorychannel(OSC)isoptionalfunctionintegratedintherack.Itcanbedropped/addedoutside,orbypassinternal,oramplifiedbyOSCOEOmodule.TheEDFAhastheworld´stopclasspumplaseranderbium-dopedopticalfiber.PerfectAGC,APCandACCcontrol,excellentdesigninventilationandheat-dissipationensurethelonglifeandhighreliableworkofpumplaser.Thelaserwillswitchoffautomaticallyifopticalpowerismissing.C-Band(NoMiddleStage)FeatureslC-Band(NoMiddleStage)lExcellentgainflatnesslLowNFlWideoperatingw***elengthrangelPerfectnetworkcontrolinterface)