100Gb/sQSFP28LR410kmOpticalTransceiverModuleHTQS-HS4CLHTF’100GQSFP28LR4opticalTransceiverintegratesreceiverandtran***itterpathononemodule.Inthetran***itside,fourlanesofserialdatastreamsarerecovered,retimed,andpassedtofourlaserdrivers.Thelaserdriverscontrol4-DistributedFeedbackLaser(DFB)withcenterw***elengthof1296nm,1300nm,1305nmand1309nm.Theopticalsignalsaremultiplexedtoasingle–modefiberthroughanindustrystandardLCconnector.Inthereceiveside,thefourlanesofopticaldatastreamsareopticallyde-multiplexedbytheintegratedopticalde-multiplexer.EachdatastreamisrecoveredbyaPINphoto-detectorandtrans-impedanceamplifier,retimed.Thismodulefeaturesahot-pluggableelectricalinterface,lowpowerc***umptionandMDIOmanagementinterface.Theproductisdesignedwithformfactor,optical/electricalconnectionanddigitaldiagnosticinterfaceaccordingtotheQSFP28Multi-SourceAgreement(MSA)andcomplianttoIEEE802.3bm.OpticalCharacteristicsThefollowingopticalcharacteristicsaredefinedovertheRecommendedOperatingEnvironmentunlessotherwisespecified.ParameterSymbolMin.TypicalMaxUnitNotesTran***itterLanew***elength（range）L01294.531295.561296.59nmL11299.021300.051301.09nmL21303.541304.581305.63nmL31308.091309.141310.09nmSignalingrate,eachlane25.78125GBdSide-modesuppressionratio***SR30Totallaunchpower10.5dBm***eragelaunchpower,eachlaneP***g-4.34.5dBmExtinctionRatioER4dBTran***itterandDispersionPenalty,eachlaneTDP2.2dBOMAminusTDP,eachlaneOMA-TDP-2.3dBm***eragelaunchpowerofOFFtran***itter,eachlane-30dBmTran***itterreflectance-12dBTran***ittereyemask{X1,X2,X3,Y1,Y2,Y3}{0.25,0.4,0.45,0.25,0.28,0.4}ReceiverSignalingrate,eachlane25.78125GBdReceiverSensitivityperlaneRsen-10.6dBm1InputSaturationPower(overload)Psat4.5dBmLOSAssertLOSA-30dBmLOSDe-assertLOSD-12ReceiverreflectanceRr-26LOSHysteresis0.54dBNotes:MeasuredwithaPRBS231-1testpattern,@25.78Gb/s,BER<10-12.)