GLC-LH-SM-LEG-5PK1.25GbpsSFPTransceiverFeatures

• Upto1.25Gb/sdatalinks• DuplexLCconnector• Hot-pluggableSFPfootprint• 1310nmFPlasertransmitter• RoHScompliantandLeadFree• Upto10kmon9/125umSMF• MetalenclosureforlowerEMI• Single+3.3Vpowersupply• Lowpowerdissipation<800mW• Commercialandindustrial

operatingtemperatureoptional• SFPMSASFF-8074iComplaint

ProductDescriptionLegrandGLC-LH-SM-LEG-5PKSmallFormFactorPluggable(SFP)transceiversarecompatiblewiththeSmallFormFactorPluggableMulti-SourcingAgreement(MSA).TheSFPtransceiversarehighperformance,costeffectivemodulessupportingdualdata-rateof1.25Gbps/1.06Gbpsand10kmtransmissiondistancewithSMF.LegrandSFPtransceiversareRoHScompliantandlead-free.RegulatoryCompliance

• ESDtotheElectricalPINs:compatiblewithMIL-STD-883Method3015.• ESDtotheDuplexLCReceptacle:compatiblewithIEC61000-4-2.• ImmunitycompatiblewithIEC61000-4-3.• EMIcompatiblewithFCCPart15ClassBEN55022ClassB(CISPR22B)VCCIClassB.• LaserEyeSafetycompatiblewithFDA21CFR1040.10and1040.11EN60950,EN(IEC)60825-1,2.• RoHscompliantwith2002/95/EC4.1&4.22005/747/EC.

Applications• 1000Base-LX• 1xFibreChannel

39508GLC-LH-SM-LEG-5PKCISCO1000BASE-LXSFPSMF1310NM10KMREACHLC

PinDescriptions

Pin Symbol Name/Descriptions Ref.

1 VeeT TransmitterGround(CommonwithReceiverGround) 1

2 TXFault TransmitterFault.

3 TXDisable TransmitterDisable.Laseroutputdisabledonhighoropen. 2

4 MODDEF(2) ModuleDefinition2.DatalineforSerialID. 3

5 MOD_DEF(1) ModuleDefinition1.ClocklineforSerialID. 3

6 MOD_DEF(0) ModuleDefinition0.Groundedwithinthemodule. 3

7 RateSelect Noconnectionrequired.

8 LOS LossofSignalindication.Logic0indicatesnormaloperation. 4

9 VeeR ReceiverGround(CommonwithTransmitterGround) 1

10 VeeR ReceiverGround(CommonwithTransmitterGround) 1

11 VeeR ReceiverGround(CommonwithTransmitterGround) 1

12 RD- ReceiverInvertedDATAout.ACCoupled.

13 RD+ ReceiverNon-invertedDATAout.ACCoupled.

14 VeeR ReceiverGround(CommonwithTransmitterGround) 1

15 VccR ReceiverPowerSupply.

16 VccT TransmitterPowerSupply.

17 VeeT TransmitterGround(CommonwithReceiverGround) 1

18 TD+ TransmitterNon-InvertedDATAin.ACCoupled.

19 TD- TransmitterInvertedDATAin.ACCoupled.

20 VeeT TransmitterGround(CommonwithReceiverGround) 1

Notes:

1. Circuitgroundisinternallyisolatedfromchassisground.2. LaseroutputdisabledonTXDisable>2.0Voropen,enabledonTXDisable<0.8V.3. Shouldbepulledupwith4.7k-10kohmsonhostboardtoavoltagebetween2.0Vand3.6V.MOD_DEF

(0)pullslinelowtoindicatemoduleispluggedin.4. LOSisopencollectoroutput.Shouldbepulledupwith4.7k-10kohmsonhostboardtoavoltage

between2.0Vand3.6V.Logic0indicatesnormaloperation;logic1indicateslossofsignal.

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 250 mA

CaseOperatingTemperature–Commercial Tc 0 70 °C

CaseOperatingTemperature–Industrial Ti -40 85 °C

DataRate(GigabitEthernet) 1.25 Gbps

DataRate(FibreChannel) 1.063 Gbps

9/125µmG.652SMF Lmax 10 km

ElectricalCharacteristics(TOP=25°C,Vcc=3.3V)

Parameter Symbol Min. Typ. Max. Unit Notes

Transmitter

Inputdifferentialimpedance Rin 100 Ω 1

Singleendeddatainputswing Vin,pp 250 1200 mV

TXDisable-High Vcc-1.3 Vcc V

TXDisable-Low Vee Vee+0.8 V

TXFault-High Vcc-0.5 Vcc V

TXFault-Low Vee Vee+0.5 V

Receiver

Singleendeddataoutputswing Vout,pp 300 400 800 mV 2

Dataoutputrisetime tr 175 ps 3

Dataoutputfalltime tf 175 ps 3

LOS-High Vcc-0.5 Vcc V

LOS-Low Vee Vee+0.5 V

Notes:

1. ACcoupled.2. Into100ohmdifferentialtermination.3. 20%-80%

OpticalandElectricalCharacteristics

Parameter Symbol Min. Typ. Max. Unit Notes

Transmitter

OutputOpt.Power PO -9.5 -3 dBm 1

OpticalWavelength λ 1275 1310 1350 nm

SpectralWidth σ 3 nm

OpticalRise/FallTime tr/tf 260 ps 2

TotalJitter TJ 200 ps

OpticalExtinctionRatio ER 9 dB

Receiver

RXSensitivity@1.25Gb/s RSENS -21 dBm 3,4

MaximumReceivedPower RXMAX -3 dBm

OpticalCenterWavelength λC 1270 1600 nm

LOSDe-Assert LOSD -22 dBm

LOSAssert LOSA -42 dBm

LOSHysteresis 0.5 5 dB Notes:

1. Class1LaserSafety.2. Unfiltered,20%-80%.ComplieswithGEand1xFCeyemaskswhenfiltered.3. MeasuredwithconformancesignalsdefinedinFC-PI-2Rev.10.0specifications.4. MeasuredwithPRBS27-1at10-10BER.

MechanicalSpecificationsSmallFormFactorPluggable(SFP)transceiversarecompatiblewiththedimensionsdefinedbytheSFPMulti-SourcingAgreement(MSA).

EEPROMInformationEEPROMmemorymapspecificdatafielddescriptionisasbelow: