100Gb/s QSFP28 LR4 10km TransceiverPRODUCT
FEATURES Compliant with 100GBASE-LR4 Support line rates
from 103.125 Gbps to 111.81 Gbps Integrated LAN WDM TOSA / ROSA for
up to 10 km reach over SMFDigital Diagnostics Monitoring
InterfaceDuplex LC optical receptacle No external reference clock
Electrically hot-pluggableCompliant with QSFP28 MSA with LC
connectorCase operating temperature range:0°C to 70°C Power
dissipation < 3.5 W APPLICATIONS100G Ethernet
&100GBASE-LR4 ITU-T OTU4STANDARDCompliant to IEEE 802.3ba, IEEE
802.3bm and 100G LR4Compliant to SFF-8436General
DescriptionLAQ2-8429-LR optical Transceiver integrates receiver and
transmitter path on one module. In the transmit side, four lanes of
serial data streams are recovered, retimed, and passed to four
laser drivers. The laser drivers control 4 Distributed Feedback
Laser (DFB) with center wavelength of 1296 nm, 1300nm, 1305nm and
1309 nm. The optical signals are multiplexed to a single -mode
fiber through an industry standard LC connector. In the receive
side, the four lanes of optical data streams are optically
de-multiplexed by the integrated optical de-multiplexer. Each data
stream is recovered by a PIN photo-detector and trans-impedance
amplifier, retimed. This module features a hot-pluggable electrical
interface, low power consumption and MDIO management interface.The
product is designed with form factor, optical/electrical connection
and digital diagnostic interface according to the QSFP28
Multi-Source Agreement (MSA) and compliant to IEEE 802.3bm.Absolute
Maximum Ratings
ParameterSymbolMin.Typ.Max.UnitNoteStorage
TemperatureTs-40-85ºC Relative HumidityRH5-95% Power
Supply VoltageVCC-0.3-4V Signal Input
Voltage Vcc-0.3-Vcc+0.3V Recommended Operating
ConditionsParameterSymbolMin.Typ.Max.UnitNoteCase Operating
TemperatureTcase0-70ºCWithout air flowPower Supply
VoltageVCC3.133.33.47V Power Supply
CurrentICC- 1060mA Data
RateBR 25.78125 GbpsEach channelTransmission
DistanceTD -10km Coupled fiberSingle mode fiber9/125um
SMFOptical
CharacteristicsParameterSymbolMinTypMaxUnitNOTETransmitter Wavelength
Assignmentλ01294.531295.561296.59nm λ11299.021300.051301.09nm λ21303.541304.581305.63nm λ31308.091309.141310.19nm Total
Output. PowerPOUT 10.5dBm Average Launch Power Per
lane -4.3 4.5dBm Spectral Width
(-20dB)σ 1nm SMSR 30 dB Optical
Extinction RatioER4 dB Average launch Power off per
lanePoff -30dBm RINRIN -128dB/Hz Output
Eye Mask
definition{X1,X2,X3,Y1,Y2,Y3}{0.25,0.4,0.45,0.25,0.28,0.4} Receiver Rx
Sensitivity per laneRSENS -10.6dBm1LOS De-Assert LOSD
-30 dBm LOS Assert LOSA
-12dBm Input Saturation Power
(Overload)Psat 4.5dBm Receiver Reflectance
Rr -26dB Notes: Measured with a PRBS
231-1 test pattern, @25.78Gb/s, BER
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