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QFX-SFP-10GE-SR-LEG10GbsSFP+TransceiverFeatures
• DuplexLCconnector• Supporthot-pluggable• MetalwithlowerEMI• ExcellentESDprotection• VCSELTransmitterandPINReceiver• Distanceupto300mon50/125umMMF(OM3)• Single3.3VpowersupplyandLowpowerdissipation<0.8W• GR-253-COREcompliant• RoHSCompliantandLead-Free• CompliantwithIEEE802.3ae• CompliantwithSFP+MSA:SFF-8431Rev4.1• CompliantwithSFF-8472Rev.11.0• DigitaldiagnosticcompatiblewithSFF-847Rev11.0
ProductDescriptionLegrand’sQFX-SFP-10GE-SR-LEGSmallFormFactorPluggable(SFP)transceiversarecompatiblewiththeSmallFormFactorPluggableMulti-SourcingAgreement(MSA).TheSFP+transceiversarehighperformance,costeffectivemodulessupportingdualdata-rateof10Gbpsandsupportdistanceupto300mwithMMF.Legrand’sSFP+transceiversareRoHScompliantandlead-freeRegulatoryCompliance
• ESDtotheElectricalPINs:compatiblewithMIL-STD-883EMethod3015.7.• ESDtotheDuplexLCReceptacle:compatiblewithIEC61000-4-2GR-1089-CORE.• ImmunitycompatiblewithIEC61000-4-3.• EMIcompatiblewithFCCPart15ClassBEN55022ClassB(CISPR22B)VCCIClassB.• LaserEyeSafetycompatiblewithFDA21CFR1040.10and1040.11EN60950,EN(IEC)60825-1,2.• RoHScompliantwith2002/95/EC4.1&4.22005/747/EC.
Applications• 10GBASE-SR/SW• 10GFibreChannel• Otheropticallink
QFX-SFP-10GE-SR-LEGJUNIPERNETWORKS10GBASE-SRSFP+MMF850NM300MREACHLCDOM
PinDescriptions
Pin Symbol Name/Descriptions Ref.
1 VeeT TransmitterGround(CommonwithReceiverGround). 1
2 TXFault TransmitterFault.LVTTL-O 2
3 TXDisable TransmitterDisable.Laseroutputdisabledonhighoropen.LVTT-I. 3
4 SDA 2-WireSerialInterfaceDataLine(SameasMOD-DEF2inINF-8074i).LVTTL-I/O.
5 SCL 2-WireSerialInterfaceDataLine(SameasMOD-DEF2inINF-8074i).LVTTL-I.
6 MOD_ABS ModuleAbsent,ConnecttoVeeTorVeeRinModule. 4
7 RS0 RateSelect0,optionallycontrolsSFP+modulereceiverLVTTL-I. 5
8 LOS LossofSignalindication.Logic0indicatesnormaloperation.LVTTL-O. 2
9 RS1 RateSelect1,optionallycontrolsSFP+moduletransmitter.LVTTL-I. 5
10 VeeR ReceiverGround(CommonwithTransmitterGround). 1
11 VeeR ReceiverGround(CommonwithTransmitterGround). 1
12 RD- ReceiverInvertedDATAout.ACCoupled.CML-O.
13 RD+ ReceiverNon-invertedDATAout.ACCoupled.CML-O.
14 VeeR ReceiverGround(CommonwithTransmitterGround). 1
15 VccR ReceiverPowerSupply.
16 VccT TransmitterPowerSupply.
17 VeeT TransmitterGround(CommonwithReceiverGround). 1
18 TD+ TransmitterNon-InvertedDATAin.ACCoupled.CML-I.
19 TD- TransmitterInvertedDATAin.ACCoupled.CML-O.
20 VeeT TransmitterGround(CommonwithReceiverGround). 1
Notes:
1. Themodulesignalgroundcontacts,VeeRandVeeT,shouldbeisolatedfromthemodulecase.2. Thiscontactisanopencollector/drainoutputandshouldbepulleduptotheVcc_Hostwithresisterin
therange4.7KΩto10KΩ.Pullupscanbeconnectedtooneorseveralpowersupplies,howeverthehostboarddesignshallensurethatnomodulecontracthasvoltageexceedingmoduleVccT/R+0.5.V.
3. Tx_Disableisaninputcontactwitha4.7KΩto10KΩpull-upresistortoVccTinsidemodule.4. Mod_ABSisconnectedtoVeeTorVeeRintheSFP+module.Thehostmaypullthecontractupto
Vcc_Hostwitharesistorintherangefrom4.7KΩto10KΩ.Mod_ABSisasserted“High”whentheSFP+moduleisphysicallyabsentfromahostslot.
5. RS0andRS1aremoduleinputsandarepulledlowtoVeeTwith>30Kresistorsinthemodule.RS0optionallyselectstheopticalreceivesignalingratecoverage.RS1optionallyselectstheopticaltransmitsignalingratecoverage.ThesecontactscanalsobeusedforRS0andRS1ifimplementingSFF8079.SeeSFF8079fordetails.RS1iscommonlyconnectedtoVeeTorVeeRintheclassicSFPmodules.Thehostneedstoensurethatitwill
notbedamagedifthiscontactisconnectedtoVeeTorVeeRinthemodule.TheSFP+moduleprovidestwoinputsRS0andRS1thatcanoptionallybeusedforrateselection.RS0controlsthereceivepathsignalingratecompatibility,andRS1controlsthetransmitpathsignalingratecompatibility.Thehostandmodulemaychoosetouseeither,both,ornoneofthesefunctions.Becausecontact9intheclassicSFPINF-8074iisconnectedtoVeeR,andSFP+hostutilizingRS1mustprovideshortcircuitprotection.ThisrateselectfunctionalitycanalsobecontrolledbysoftwareasdefinedbySFF-8472.OptionallytherateselectmethodsofPart2SFF-8079maybeusedinsteadofthemethoddescribedherebysettingthemanagementdeclarationbit(A0hbyte93bit2)to1,seeSFF-8472.
Parameter State Conditions
RS0Low Rxsignallyratelessthanorequalto4.25GBd.
High Rxsignallyrategreatthan4.25GBd.
RS1Low Txsignallyratelessthanorequalto4.25GBd.
High Txsignallyrategreatthan4.25GBd.
Pin-outofconnectorBlockonHostboard
RecommendCircuitSchematic
AbsoluteMaximumRatings
Parameter Symbol Min. Max. Unit
MaximumSupplyVoltage Vcc -0.5 4.0 V
StorageTemperature TS -40 85 °C
OperatingHumidity RH 5 95 %
RecommendedOperatingConditions
Parameter Symbol Min. Typ. Max. Unit
PowerSupplyVoltage Vcc 3.13 3.30 3.47 V
PowerSupplyCurrent Icc 300 mA
CaseOperatingTemperature–Commercial Tc -5 70 °C
CaseOperatingTemperature–Industrial Tc -40 85 °C
DataRate 9.95 10.3 10.5 GBps
50/125µmG.652MMF(OM3) Lmax 300 m
ElectricalCharacteristics
Parameter Symbol Min. Typ. Max. Unit Notes
Transmitter
Differentialdatainputswing Vin,pp 120 600 850 mV
Inputdifferentialimpedance Zin 90 100 110 Ω
TXDisable-High 2.0 Vcc+0.3 V
TXDisable-Low Vee-0.3 0.8 V
TXFault-High 2.0 Vcc+0.3 V
TXFault-Low Vee-0.3 0.8 V
Receiver
Differentialdataoutputswing Vout,pp 300 600 850 mV
OutputDifferentialImpedance Zin 90 100 110 Ω
LOS-High 2.0 Vcc+0.3 V
LOS-Low Vee-0.3 0.8 V
OpticalCharacteristics
Parameter Symbol Min. Typ. Max. Unit Notes
Transmitter
OutputOpt.Power -7.3 -1 dBm 1
Opticalmodulationamplitude P(OMA) -4.3 -2 dBm
ExtinctionRatio ER 3 dB
TransmitterandDispersionPenalty TDP 3.9 dB
AverageLaunchpowerOFFTX Poff -30 dBm
OpticalWavelength λλ 840 860 nm
OpticalReturnLossTolerance ORLT 12 dB
RelativeIntensityNoise RIN -128 dB/Hz
EyeDiagram CompatiblewithIEEE802.3-2005
Receiver
Overload PO -1 dBm 1
OpticalCenterWavelength λC 840 860 nm 1
LOSDe-Assert LOSD -13 dBm 1
LOSAssert LOSA -30 dBm
LOSHysteresis 0.5 dB
ReceiverSensitivity PIN -9.9 dBm
ReceiverSensitivity@FECrate PIN-OMA -11.1 dBm
Notes:
1. BER≤10-12@PRBS231-1at10.3125Gb/s.
MechanicalSpecifications
EEPROMInformationEEPROMmemorymapspecificdatafielddescriptionisasbelow:
DigitalDiagnosticMonitoringInterfaceThedigitaldiagnosticmonitoringinterfacealsodefinesanother256-bytememorymapinEEPROM,whichmakesuseofthe8biaddress1010001X(A2h).Themonitoringspecificationofthisproductisdescribedinthistable.
Parameter Range Accuracy Calibration
Temperature -5°Cto85°C ±3°C Internal
Voltage 2.97Vto3.63V ±3% Internal
BiasCurrent 0mAto100mA ±10% Internal
TXPower -7.3dBmto-1dBm ±2dB Internal
RXPower -12dBmto-1dBm ±2dB Internal
Recommended