Receiver Section
Caution
TheꢀreceiverꢀsectionꢀincludesꢀtheꢀReceiverꢀOpticalꢀSub-
Assemblyꢀ(ROSA)ꢀandꢀtheꢀamplification/quantizationꢀcir-
cuitry.ꢀTheꢀROSA,ꢀcontainingꢀaꢀPINꢀphotodiodeꢀandꢀcus-
Thereꢀ areꢀ noꢀ userꢀ serviceableꢀ partsꢀ norꢀ maintenanceꢀ
requirementsꢀforꢀtheꢀAFBR-700SDZ.ꢀAllꢀmechanicalꢀad-
justmentsꢀ areꢀ madeꢀ atꢀ theꢀ factoryꢀ priorꢀ toꢀ shipment.ꢀ
tomꢀtransimpedanceꢀamplifier,ꢀisꢀlocatedꢀatꢀtheꢀopticalꢀ Tamperingꢀwith,ꢀmodifying,ꢀmisusingꢀorꢀimproperlyꢀhan-
interfaceꢀandꢀmatesꢀwithꢀtheꢀLCꢀopticalꢀconnector.ꢀTheꢀ dlingꢀtheꢀAFBR-700SDZꢀwillꢀvoidꢀtheꢀproductꢀwarranty.ꢀItꢀ
ROSAꢀoutputꢀisꢀfedꢀtoꢀaꢀcustomꢀICꢀthatꢀprovidesꢀpost-
amplificationꢀandꢀquantization.
mayꢀalsoꢀresultꢀinꢀimproperꢀoperationꢀandꢀpossiblyꢀover-
stressꢀtheꢀlaserꢀsource.ꢀPerformanceꢀdegradationꢀorꢀde-
viceꢀfailureꢀmayꢀresult.ꢀConnectionꢀofꢀtheꢀAFBR-700SDZꢀ
toꢀaꢀlightꢀsourceꢀnotꢀcompliantꢀwithꢀIEEEꢀStd.ꢀ802.3aeꢀ
Clauseꢀ52ꢀandꢀSFF-8341ꢀspecifications,ꢀoperatingꢀaboveꢀ
maximumꢀoperatingꢀconditionsꢀorꢀinꢀaꢀmannerꢀinconsis-
tentꢀwithꢀit’sꢀdesignꢀandꢀfunctionꢀmayꢀresultꢀinꢀexposureꢀ
toꢀhazardousꢀlightꢀradiationꢀandꢀmayꢀconstituteꢀanꢀactꢀ
ofꢀmodifyingꢀorꢀmanufacturingꢀaꢀlaserꢀproduct.ꢀPersonsꢀ
performingꢀsuchꢀanꢀactꢀareꢀrequiredꢀbyꢀlawꢀtoꢀrecertifyꢀ
andꢀre-identifyꢀtheꢀlaserꢀproductꢀunderꢀtheꢀprovisionsꢀofꢀ
U.S.ꢀ21ꢀCFRꢀ(SubchapterꢀJ)ꢀandꢀTUV.
Receiver Loss of Signal (Rx_LOS)
Theꢀpost-ampꢀICꢀalsoꢀincludesꢀtransitionꢀdetectionꢀcir-
cuitryꢀwhichꢀmonitorsꢀtheꢀACꢀlevelꢀofꢀincomingꢀopticalꢀ
signalsꢀandꢀprovidesꢀaꢀLVTTL/CMOSꢀcompatibleꢀstatusꢀ
signalꢀtoꢀtheꢀhost.ꢀAꢀhighꢀstatusꢀsignalꢀindicatesꢀlossꢀofꢀ
modulatedꢀsignal,ꢀindicatingꢀlinkꢀfailuresꢀsuchꢀasꢀbrokenꢀ
fiberꢀorꢀfailedꢀtransmitter.ꢀRx_LOSꢀcanꢀalsoꢀbeꢀmonitoredꢀ
viaꢀtheꢀtwo-wireꢀserialꢀinterface(addressꢀA2h,ꢀbyteꢀ110,ꢀ
bitꢀ1).
Customer Manufacturing Processes
Functional Data I/O
Thisꢀmoduleꢀisꢀpluggableꢀandꢀisꢀnotꢀdesignedꢀforꢀaque-
ousꢀwash,ꢀIRꢀreflow,ꢀorꢀwaveꢀsolderingꢀprocesses.
TheꢀAFBR-700SDZꢀinterfacesꢀwithꢀtheꢀhostꢀcircuitꢀboardꢀ
throughꢀtheꢀtwentyꢀcontactꢀSFP+ꢀelectricalꢀconnector.ꢀ
SeeꢀTableꢀ2ꢀforꢀcontactꢀdescriptions.ꢀꢀTheꢀmoduleꢀedgeꢀ
connectorꢀisꢀshownꢀinꢀFigureꢀ4.ꢀTheꢀhostꢀboardꢀlayoutꢀforꢀ
thisꢀinterfaceꢀisꢀdepictedꢀinꢀFigureꢀ8.
Ordering Information
Pleaseꢀcontactꢀyourꢀlocalꢀfieldꢀsalesꢀengineerꢀorꢀoneꢀofꢀ
AvagoꢀTechnologiesꢀfranchisedꢀdistributorsꢀforꢀorderingꢀ
information.ꢀForꢀtechnicalꢀinformation,ꢀpleaseꢀvisitꢀAva-
goꢀTechnologies’ꢀWEBꢀpageꢀatꢀwww.avagotech.comꢀꢀForꢀ
informationꢀ relatedꢀ toꢀ SFFꢀ Committeeꢀ documentationꢀ
visitꢀwww.sffcommittee.org.
TheꢀAFBR-700SDZꢀhighꢀspeedꢀtransmitꢀandꢀreceiveꢀin-
terfacesꢀrequireꢀSFF-8431ꢀcompliantꢀsignalꢀlinesꢀonꢀtheꢀ
hostꢀboard.ꢀToꢀsimplifyꢀboardꢀrequirements,ꢀbiasingꢀre-
sistorsꢀandꢀACꢀcouplingꢀcapacitorsꢀareꢀincorporatedꢀintoꢀ
theꢀSFP+ꢀtransceiverꢀmoduleꢀ(perꢀSFF-8431)ꢀandꢀhenceꢀ
areꢀ notꢀ requiredꢀ onꢀ theꢀ hostꢀ board.ꢀTheꢀTX_DISABLE,ꢀ
TX_FAULTꢀandꢀRX_LOSꢀsignalsꢀrequireꢀLVTTLꢀsignalsꢀonꢀ
theꢀhostꢀboardꢀ(perꢀSFF-8431)ꢀifꢀused.ꢀIfꢀanꢀapplicationꢀ
doesꢀnotꢀtakeꢀadvantageꢀofꢀtheseꢀfunctions,ꢀcareꢀmustꢀ
beꢀtakenꢀtoꢀgroundꢀTX_DISABLEꢀtoꢀenableꢀnormalꢀop-
eration.ꢀ
Figureꢀ2ꢀdepictsꢀtheꢀrecommendedꢀinterfaceꢀcircuitꢀtoꢀ
linkꢀtheꢀAFBR-700SDZꢀtoꢀsupportingꢀphysicalꢀlayerꢀICs.ꢀ
Timingꢀ forꢀ theꢀ dedicatedꢀ SFP+ꢀ controlꢀ signalsꢀ imple-
mentedꢀinꢀtheꢀtransceiverꢀareꢀlistedꢀinꢀFigureꢀ6.
Application Support
AnꢀEvaluationꢀKitꢀandꢀReferenceꢀDesignsꢀareꢀavailableꢀtoꢀ
assistꢀinꢀevaluationꢀofꢀtheꢀAFBR-700SDZ.ꢀPleaseꢀcontactꢀ
yourꢀlocalꢀFieldꢀSalesꢀrepresentativeꢀforꢀavailabilityꢀandꢀ
orderingꢀdetails.
4