Part#39619 FTL410QE2C-LEG FINISARCOMPATIBLE40GBASE-SR4QSFP+MMF 850NM150MREACHMPODOM FTL410QE2C-LEG 40GbaseQSFP+Transceiver Features • • • • • • • • • • • • • Four-Channelfull-duplextransceivermodules Transmissiondatarateupto14.025Gbit/sperchannel 4channels850nmVCSELarray 4channelsPINphotodetectorarray Lowpowerconsumption<1.5W Housingisolatedfromconnectorground Operatingcasetemperature0°Cto+70°C 3.3Vpowersupplyvoltage RoHS6compliant HotPluggableQSFPformfactor Maximumlinklengthof100monOM3Multimode Fiber(MMF)and150monOM4MMF SingleMPOconnectorreceptacle Built-indigitaldiagnosticfunction Applications • InfiniBandFDR • 16xFibreChannel • PCI-e3.0 • ProprietaryHighSpeed Interconnections • SAS3.0 ProductDescription Legrand’sFTL410QE2C-LEGQuadSmallFormFactorPluggable(QSFP+)transceiversarecompatiblewiththe SmallFormFactorPluggableMulti-SourcingAgreement(MSA).TheQSFP+transceiversarehighperformance, costeffectivemodulessupporting40GigabitEthernetandupto150mtransmissiondistancewithMMF. Legrand’sQSFP+transceiversareRoHScompliantandlead-free. AbsoluteMaximumRatings Parameter Symbol Min. Typ. Max. Unit SupplyVoltage Vcc -0.3 3.6 V InputVoltage Vin -0.3 Vcc+0.3 V StorageTemperature Tst -20 85 °C CaseOperatingTemperature Top 0 70 °C Humidity(non-condensing) Rh 5 95 % RecommendedOperatingConditions Parameter Symbol Min. Typ. Max. Unit SupplyVoltage Vcc 3.13 3.3 3.47 V OperatingCaseTemperature Tca 0 70 °C DataRatePerLane fd 2.5 14.025 Gbps Humidity Rh 5 85 % PowerDissipation Pm 1.5 W FiberBendRadius Rb 3 cm Parameter Symbol Min. Typ. Max. Unit Notes DifferentialInputimpedance Zin 90 100 110 ohm DifferentialOutputimpedance Zout 90 100 110 ohm ΔVin 300 1100 mVp-p ΔVout 500 800 mVp-p Skew Sw 300 ps BitErrorRate BR E-12 InputLogicLevelHigh VIH 2.0 VCC V InputLogicLevelLow VIL 0 0.8 V OutputLogicLevelHigh VOH VCC-0.5 VCC V OutputLogicLevelLow VOL 0 0.4 V ElectricalCharacteristics DifferentialInputVoltage amplitude Differentialoutputvoltage amplitude OpticalCharacteristics Parameter Symbol Min. Typ. Max. Unit Notes Transmitter CenterWavelength λC 840 850 860 nm RMSSpectralWidth ∆λ 0.65 nm AverageOpticalPowerperChannel Pout -7.5 2.5 dBm Differenceinlaunchpower betweenanytwolanes(OMA) 4 dB ExtinctionRatio ER 3 dB Peakpower,eachlane 4 dBm Transmitteranddispersionpenalty (TDP),eachlane TDP 3.5 dB HitRatio =5x10-5 EyeMaskCoordinates: X1,X2,X3,Y1,Y2,Y3 SpecificationValues 0.23,0.34,0.43,0.27,0.35,0.4 Receiver CenterWavelength λC 840 850 860 nm Stressedreceiversensitivityin OMA,eachlane -5.4 dBm 1 Averagepoweratreceiverinput, eachlane -9.5 2.4 dBm ReceiverReflectance -12 dB Peakpower,eachlane 4 dBm LOSAssert -30 dBm LOSDe-Assert-OMA -7.5 dBm LOSHysteresis 0.5 dB Note: 1. MeasuredwithconformancetestsignalatTP3forBER=10e-12 PinDescriptions Pin Logic Symbol Name/Descriptions Ref. 1 GND ModuleGround 1 2 CML-I Tx2- Transmitterinverteddatainput 3 CML-I Tx2+ Transmitternon-inverteddatainput 4 GND ModuleGround 1 5 CML-I Tx4- Transmitterinverteddatainput 6 CML-I Tx4+ Transmitternon-inverteddatainput 7 GND ModuleGround 1 8 LVTTL-I MODSEIL ModuleSelect 2 9 LVTTL-I ResetL ModuleReset 2 10 VCCRx +3.3vReceiverPowerSupply 11 LVCMOS-I SCL 2-wireSerialinterfaceclock 2 12 LVCMOS-I/O SDA 2-wireSerialinterfacedata 2 13 GND ModuleGround 1 14 CML-O RX3+ Receivernon-inverteddataoutput 15 CML-O RX3- Receiverinverteddtaoutput 16 GND ModuleGround 1 17 CML-O RX1+ Receivernon-inverteddataoutput 18 CML-O RX1- Receiverinverteddataoutput 19 GND ModuleGround 1 20 GND ModuleGround 1 21 CML-O RX2- Receiverinverteddataoutput 22 CML-O RX2+ Receivernon-inverteddataoutput 23 GND ModuleGround 1 24 CML-O RX4- Receiverinverteddataoutput 25 CML-O RX4+ Receivernon-inverteddataoutput 26 GND ModuleGround 1 27 LVTTL-O ModPrsL ModulePresent,internalpulleddowntoGND 28 LVTTL-O IntL Interruptoutput,shouldbepulleduponhostboard 2 29 VCCTx +3.3vTransmitterPowerSupply 30 VCC1 +3.3vPowerSupply 31 LVTTL-I LPMode LowPowerMode 2 32 GND ModuleGround 1 33 CML-I Tx3+ Transmitternon-inverteddatainput 34 CML-I Tx3- Transmitterinverteddatainput 35 GND ModuleGround 1 36 CML-I Tx1+ Transmitternon-inverteddatainput 37 CML-I Tx1- Transmitterinverteddatainput 38 GND ModuleGround 1 Note: 1. Modulecircuitgroundisisolatedfrommodulechassisgroundwithinthemodule. 2. Opencollector;shouldbepulledupwith4.7k-10kohmsonhostboardtoavoltagebetween3.15Vand 3.6V. ElectricalPin-outDetails ModSeILPin TheModSelLisaninputpin.Whenheldlowbythehost,themodulerespondsto2-wireserialcommunication commands.TheModSelLallowstheuseofmultipleQSFPmodulesonasingle2-wireinterfacebus.Whenthe ModSelLis“High”,themodulewillnotrespondtoany2-wireinterfacecommunicationfromthehost.ModSelL hasaninternalpull-upinthemodule. ResetLPin Reset.LPMode_Resethasaninternalpull-upinthemodule.AlowlevelontheResetLpinforlongerthanthe minimumpulselength(t_Reset_init)initiatesacompletemodulereset,returningallusermodulesettingsto theirdefaultstate.ModuleResetAssertTime(t_init)startsontherisingedgeafterthelowlevelontheResetL pinisreleased.Duringtheexecutionofareset(t_init)thehostshalldisregardallstatusbitsuntilthemodule indicatesacompletionoftheresetinterrupt.ThemoduleindicatesthisbypostinganIntLsignalwiththe Data_Not_Readybitnegated.Notethatonpowerup(includinghotinsertion)themodulewillpostthis completionofresetinterruptwithoutrequiringareset. LPModePin Operateinthelowpowermode(lessthan1.5Wpowerconsumption)Thispinactivehighwilldecreasepower consumptiontolessthan1W. ModPrsLPin ModPrsLispulleduptoVcconthehostboardandgroundedinthemodule.TheModPrsLisasserted“Low” whenthemoduleisinsertedandde-asserted“High”whenthemoduleisphysicallyabsentfromthehost connector. IntLPin IntLisanoutputpin.When“Low”,itindicatesapossiblemoduleoperationalfaultorastatuscriticaltothehost system.Thehostidentifiesthesourceoftheinterruptbyusingthe2-wireserialinterface.TheIntLpinisanopen collectoroutputandmustbepulleduptoVcconthehostboard. PowerSupplyFiltering Thehostboardshouldusethepowersupplyfilteringshownbelow. OpticalInterfaceLanesandAssignment TheopticalinterfaceportisamaleMPOconnector.Thefourfiberpositionsontheleftasshownbelow,withthe keyup,areusedfortheopticaltransmitsignals(Channel1through4).Thefiberpositionsontherightareused fortheopticalreceivesignals(Channel4through1).Thecentralfourfibersarephysicallypresent. ModuleBlockDiagram MechanicalSpecifications