40Gb/sQSFP+LR4TransceiverProductFeatures4CWDMlanesMux/DemuxdesignUpto11.1GbpsDatarateperw***elengthUpto10kmtran***issionon***FElectricallyhot-pluggableDigitalDiagnosticsMonitoringInterfaceCompliantwithQSFP+MSAwithLCconnectorCaseoperatingtemperaturerange:0°Cto70°CPowerdissipation<3.5WApplicati***40GEthernetDataCenterandLANStandardComplianttoIEEE802.3baComplianttoSFF-8436RoHSCompliant.GeneralDescriptionHTFuture’sQSFP+LR4isdesignedtooperateoversingle-modefibersystemusing4X10CWDMchannelin1310bandandlinksupto10km.Themoduleconverts4inputschannelof10Gb/selectricaldatato4CWDMopticalsignals,andmultiplexesthemintoasinglechannelfor40Gb/sopticaltran***ission.Reversely,onthereceiverside,themoduleopticallyde-multiplexesa40Gb/sinputinto4CWDMchannelssignals,andconvertsthemto4channeloutputelectricaldata.Thecentralw***elengthsofthe4CWDMchannelsare1271,1291,1311and1331nm.ItcontainsaduplexLCconnectorfortheopticalinterfaceanda38-pinconnectorfortheelectricalinterface.Single-modefiber(***F)isappliedinthismodule.Thisproductconvertsthe4-channel10Gb/selectricalinputdataintoCWDMopticalsignals(light),bya4-w***elengthDistributedFeedbackLaser(DFB)array.The4w***elengthsaremultiplexedintoasingle40Gb/sdata,propagatingoutofthetran***ittermoduleviathe***F.Thereceivermoduleacceptsthe40Gb/sopticalsignalsinput,andde-multiplexesitinto4CWDM10Gb/schannels.Eachw***elengthlightiscollectedbyadiscretephotodiode,andthenoutputtedaselectricdataafteramplifiedbyaTIA.Theproductisdesignedwithformfactor,optical/electricalconnectionanddigitaldiagnosticinterfaceaccordingtotheQSFP+Multi-SourceAgreement(MSA)andcompliantto40GQSFP+LR4ofIEEE802.3ba.AbsoluteMaximumRatingsParameterSymbolMin.Typ.Max.UnitNoteStorageTemperatureTs-40-85ºCStorageAmbientHumidityHA5-95%OperatingRelativeHumidityRH--85%PowerSupplyVoltageVCC-0.3-4VSignalInputVoltageVcc-0.3-Vcc+0.3VRecommendedOperatingConditi***ParameterSymbolMin.Typ.Max.UnitNoteCaseOperatingTemperatureTcase0-70ºCWithoutairflowPowerSupplyVoltageVCC3.143.33.47VPowerSupplyCurrentICC-800mADataRateBR10.3125GbpsEachchannelTran***issionDistanceTD-10kmCoupledfiberSinglemodefiber9/125um***FOpticalCharacteristicsParameterSymbolMinTypMaxUnitNOTETran***itterW***elengthAssignmentλ01264.512711277.5nmλ11284.512911297.5nmλ21304.513111317.5nmλ31324.513311337.5nmTotalOutput.PowerPOUT8.3dBm***erageLaunchPowerPerlane-72.3dBmSpectralWidth(-20dB)σ1nm***SR30dBOpticalExtinctionRatioER3.5dB***eragelaunchPoweroffperlanePoff-30dBmTran***itterandDispersionPeanltyTDP2.3dBRINRIN-128dB/HzOutputEyeMaskCompliantwithIEEE802.3baReceiverRxSensitivityperlane（OMA）RSENS-11.5dBm1InputSaturationPower(Overload)Psat3.3dBmReceiverReflectanceRr-26dBOrderingInformationPartNumberProductDescriptionHTFQSFP-27A4-10BD4CWDM,40Gbps,10km,0ºC~+70ºC,EthernetVersion,DDM)