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AFBR-700SDZ Datasheet(PDF) 4 Page - AVAGO TECHNOLOGIES LIMITED |
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AFBR-700SDZ Datasheet(HTML) 4 Page - AVAGO TECHNOLOGIES LIMITED |
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4 / 19 page  4 Receiver Section ThereceiversectionincludestheReceiverOpticalSub- Assembly(ROSA)andtheamplification/quantizationcir- cuitry.TheROSA,containingaPINphotodiodeandcus- tomtransimpedanceamplifier,islocatedattheoptical interfaceandmateswiththeLCopticalconnector.The ROSAoutputisfedtoacustomICthatprovidespost- amplificationandquantization. Receiver Loss of Signal (Rx_LOS) The post-amp IC also includes transition detection cir- cuitrywhichmonitorstheAClevelofincomingoptical signals and provides a LVTTL/CMOS compatible status signaltothehost.Ahighstatussignalindicateslossof modulatedsignal,indicatinglinkfailuressuchasbroken fiberorfailedtransmitter.Rx_LOScanalsobemonitored viathetwo-wireserialinterface(addressA2h,byte110, bit1). Functional Data I/O TheAFBR-700SDZinterfaceswiththehostcircuitboard through the twenty contact SFP+ electrical connector. SeeTable2forcontactdescriptions.Themoduleedge connectorisshowninFigure4.Thehostboardlayoutfor thisinterfaceisdepictedinFigure8. The AFBR-700SDZ high speed transmit and receive in- terfacesrequireSFF-8431compliantsignallinesonthe hostboard.Tosimplifyboardrequirements,biasingre- sistorsandACcouplingcapacitorsareincorporatedinto theSFP+transceivermodule(perSFF-8431)andhence are not required on the host board. The TX_DISABLE, TX_FAULTandRX_LOSsignalsrequireLVTTLsignalson thehostboard(perSFF-8431)ifused.Ifanapplication doesnottakeadvantageofthesefunctions,caremust betakentogroundTX_DISABLEtoenablenormalop- eration. Figure 2 depicts the recommended interface circuit to linktheAFBR-700SDZtosupportingphysicallayerICs. Timing for the dedicated SFP+ control signals imple- mentedinthetransceiverarelistedinFigure6. Application Support AnEvaluationKitandReferenceDesignsareavailableto assistinevaluationoftheAFBR-700SDZ.Pleasecontact yourlocalFieldSalesrepresentativeforavailabilityand orderingdetails. Caution There are no user serviceable parts nor maintenance requirementsfortheAFBR-700SDZ.Allmechanicalad- justments are made at the factory prior to shipment. Tamperingwith,modifying,misusingorimproperlyhan- dlingtheAFBR-700SDZwillvoidtheproductwarranty.It mayalsoresultinimproperoperationandpossiblyover- stressthelasersource.Performancedegradationorde- vicefailuremayresult.ConnectionoftheAFBR-700SDZ to a light source not compliant with IEEE Std. 802.3ae Clause52andSFF-8341specifications,operatingabove maximumoperatingconditionsorinamannerinconsis- tentwithit’sdesignandfunctionmayresultinexposure tohazardouslightradiationandmayconstituteanact ofmodifyingormanufacturingalaserproduct.Persons performingsuchanactarerequiredbylawtorecertify andre-identifythelaserproductundertheprovisionsof U.S.21CFR(SubchapterJ)andTUV. Customer Manufacturing Processes Thismoduleispluggableandisnotdesignedforaque- ouswash,IRreflow,orwavesolderingprocesses. Ordering Information Pleasecontactyourlocalfieldsalesengineeroroneof AvagoTechnologiesfranchiseddistributorsforordering information.Fortechnicalinformation,pleasevisitAva- goTechnologies’WEBpageatwww.avagotech.comFor information related to SFF Committee documentation visitwww.sffcommittee.org. |
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