10G-XFP光模块协议

InformationSpecificationINF-8077i,Revision4.5XFP(10Gbitpluggablemodule)SFFPageiSFFCommitteedocumentationmaybepurchasedinhardcopyorelectronicform.SFFspecificationsareavailableat:SFFCommitteeAbstract:Thisspecificationdefinestheelectrical,management,andmechanicalinterfacesoftheXFPmodule.Themoduleisahotpluggablesmallfootprintserial-to-serialdata-agnosticmultirateopticaltransceiver,intendedtosupportTelecom(SONETOC-192andG.709“OTU-2”)andDatacomapplications(10Gb/sEthernetand10Gb/sFibreChannel).Nominaldataratesrangefrom9.95Gb/s,10.31Gb/s,10.52Gb/s,10.70Gb/s,andtheemerging11.09Gb/s.Themodulessupportalldataencodingsforthesetechnologies.Themodulesmaybeusedtoimple-mentsinglemodeormulti-modeserialopticalinterfacesat850nm,1310nm,or1550nm.TheXFPmoduledesignmayuseoneofseveraldifferentopticalconnectors.Anadaptableheatsinkoptionallowsasinglemoduledesigntobecompatiblewithavarietyofhosts.Support:ThisdocumentwasadoptedbytheXFPMSAandisprovidedtotheSFFfordistributionandasasourcedocumentforrelatedSFFprojects.Documentation:ThisdocumenthasbeenpreparedaccordingtotheguidelinesandagreementsoftheXFPMSA.TheXFPMSAhasthestatedintentionofencouragingbroadandrapidindustryadoptionofthespecification.TheXFPspecificationandthetechnologiesitusesmaybeofferedtoformalstandardsbodiestofurthersupporttheadoptionofthespecification.POINTSOFCONTACT:TechnicalEditor:XFPChair:AliGhiasiRobertSnivelyBroadcomCorporationBrocadeCommunicationSystems,Inc.3151ZankerRoad1745TechnologyDriveSanJose,CA95134SanJose,CA95110Voice:[phone]Voice:[phone]EMail:[e-mail]:[e-mail]14426BlackWalnutCourtSaratoga,CA95070Voice:[phone]Fax:[phone]Email:[e-mail]ficationINF-8077i,Revision4.5XFP(10Gbitpluggablemodule)SFFPageiiEXPRESSIONOFSUPPORTBYMANUFACTURERSTheSFFCommitteedoesnotrequireexpressionsofsupportfordocumentsacceptedasinformational.Theuser'sattentioniscalledtothestatementsofintellectualpropertyrightsandcopyrightintheXFPspecification,pageii.BydistributionofthisSpecification,nopositionistakenwithrespecttothevalidityofthesestatementsorofanypatentrightsinconnectiontherewith.TheXFPadopter’sagreement,availablefromXFPPromoters,containsagreementswithrespecttointellectualpropertyrightsandotherrightsandresponsibilities.SFFCommitteeinformationIfyouarenotamemberoftheSFFCommittee,butyouareinterestedinparticipating,thefollowingprincipleshavebeenreprintedhereforyourinformation.PRINCIPLESOFTHESFFCOMMITTEETheSFFCommitteeisanadhocgroupformedtoaddressstorageindustryneedsinapromptmanner.Whenformedin1990,theoriginalgoalswerelimitedtodefiningdefactomechanicalenvelopeswithinwhichdiskdrivescanbedevelopedtofitcompactcomputerandothersmallproducts.InNovember1992,theSFFCommitteeobjectiveswerebroadenedtoencompassotherareaswhichneededsimi-larattention,suchaspinoutsforinterfaceapplications,andformfactorissuesonlargerdiskdrives.SFFisaforumforresolvingindustryissuesthatareeithernotaddressedbythestandardsprocessorneedanimmediatesolution.DocumentscreatedbytheSFFCommitteeareexpectedtobesubmittedtobodiessuchasEIA(ElectronicIndus-triesAssociation)oranANSIAccreditedStandardsCommittee.Theymaybeacceptedforseparatestandards,orincorporatedintootherstandardsactivities.TheprinciplesofoperationfortheSFFCommitteearenotunlikethoseofanaccreditedstandardscommittee.Thereare3levelsofparticipation:-Attendingthemeetingsisopentoall,buttakingpartindiscussionsislimitedtomembercompanies,orthoseinvitedbymembercompanies-Theminutesandcopiesofmaterialwhicharediscussedduringmeetingsaredistributedonlytothosewhosignuptoreceivedocumentation.-TheindividualswhorepresentmembercompaniesoftheSFFCommitteereceivedocumentationandvoteonissuesthatarise.Votesarenottakenduringmeetings,onlyguidanceondirections.Allvotingisbyletterballot,whichensuresallmembersanequalopportunitytobeheard.MaterialpresentedatSFFCommitteemeetingsbecomespublicdomain.Therearenorestrictionsontheopenmailingofmaterialpresentedatcommitteemeetings.Inordertoreducedisagreementsandmisunderstandings,copiesmustbeprovidedforallagendaitemsthatarediscussed.Copiesofthematerialpresented,orrevisionsifcompletedintime,areincludedinthedocumentationmailings.ThesitesforSFFCommitteemeetingsrotatebasedonwhichmembercompaniesvolunteertohostthemeetings.MeetingshavetypicallybeenheldduringtheINCITST10weeks.ThemeetingsoftheSFFSpecialSubjectWork-ingGrouponTransceivershavetypicallybeenheldduringINCITST11weeks.Thefundsreceivedfromtheannualmembershipfeesareplacedinescrow,andareusedtoreimburseENDLfortheservicestomanagetheSFFCommittee.InformationSpecificationINF-8077i,Revision4.5XFP(10Gbitpluggablemodule)SFFPageiiiSFFMembershipandSubscriptionapplicationMembershipincludesvotingprivilegesonSFFSpecsunderdevelopment.CD_AccessElectronicdocumentationcontains:-Minutesfortheyear-to-dateplusalloflastyear-Emailtrafficfortheyear-to-dateplusalloflastyear-ThecurrentrevisionofalltheSFFSpecifications,aswellasanypreviousrevisionsdistribu