20km Dual Data - Rate SFP Transceiver Module Bi-Directional Features lDualdata-rateof1.25Gbps/1.063Gbpsoperation l1310nmFPlaserandPINphotodetectorfor20kmtransmission lTx1310nm-Rx1550nm lCompliantwithSFPMSAandSFF-8472withsimplexLCreceptacle lDigitalDiagnosticMonitoring: InternalCalibrationorExternalCalibration lCompatiblewithSONETOC-24-LR-1 lCompatiblewithRoHS l+3.3Vsinglepowersupply lOperatingcasetemperature: Standard:0to+70C Applications lGigabitEthernet lFiberChannel lSwitchtoSwitchinterface lSwitchedbackplaneapplications lRouter/Serverinterface lOtheropticaltransmissionsystems Description TheSFP-BIDItransceiversarehighperformance,costeffectivemodulessupportingdualdata-rateof 1.25Gbps/1.0625Gbpsand20kmtransmissiondistancewithSMF. Thetransceiverconsistsofthreesections:aFPlasertransmitter,aPINphotodiodeintegratedwithatrans-impedancepreamplifier(TIA)andMCUcontrolunit.AllmodulessatisfyclassIlasersafetyrequirements. ThetransceiversarecompatiblewithSFPMulti-SourceAgreement(MSA)andSFF-8472.Forfurther information,pleaserefertoSFPMSA. Specification: OpticalandElectricalCharacteristics ---- Parameter | Symbol | Min | Typical | Max | Unit | Notes | Transmitter | CentreWavelength | c | 1260 | 1310 | 1360 | nm | | SpectralWidth(RMS) | | | | 4 | nm | | AverageOutputPower | Pout | -9 | | 0 | dBm | 1 | ExtinctionRatio | ER | 9 | | | dB | | OpticalRise/FallTime(20%~80%) | tr/tf | | | 0.26 | ns | | DataInputSwingDifferential | VIN | 400 | | 1800 | mV | 2 | InputDifferentialImpedance | ZIN | 90 | 100 | 110 | | | TXDisable | Disable | | 2.0 | | Vcc | V | | Enable | | 0 | | 0.8 | V | | TXFault | Fault | | 2.0 | | Vcc | V | | Normal | | 0 | | 0.8 | V | | Receiver | CentreWavelength | c | 1480 | | 1580 | nm | | ReceiverSensitivity | | | | -23 | dBm | 3 | ReceiverOverload | | -3 | | | dBm | 3 | LOSDe-Assert | LOSD | | | -24 | dBm | | LOSAssert | LOSA | -30 | | | dBm | | LOSHysteresis | | 1 | | 4 | dB | | DataOutputSwingDifferential | Vout | 400 | | 1800 | mV | 4 | LOS | High | 2.0 | | Vcc | V | | Low | | | 0.8 | V | | ---- Notes: 1.TheopticalpowerislaunchedintoSMF. 2.PECLinput,internallyAC-coupledandterminated. 3.MeasuredwithaPRBS27-1testpattern1250Mbps,BER110-12. 4.InternallyAC-coupled.
