IEEE802.3RTPGEStudyGroupMinutesMinneapolis,5/15/12–5/16/12DaveDwelley,recordingsecretaryCalledtoorderat9:00ambyDavidLawDaveDwelleyisappointedrecordingsecretarySteveCarlsonisnominatedaschairofstudygroup,movedbyGeoffThompson,secondedbyKentLustig,D.Lawspokeinfavor,Vote:Y:33,N:0,A:0Steveintroducedhimself,explainedbadgingprotocol,reviewedmeetingagendaAttendeesintroducedthemselvesVotetoapproveagenda:approvedbyvoice,nodisapprovalsCallformembersofthepress:nonepresentStevereviewedgoalsformeeting:PAR,5criteria,Objectives,goalsfornextmeetingStevereviewedreflectordetailsandpolicies,groundrules,IEEEstructure,bylawsSteveread“GuidelinesforIEEE‐SAMeetings”frompresentationRTPGE_agenda_0512.pdfGeoffThompsonreviewedpatentpolicyindetail,includingreadingofThePatentPolicyStevereviewedStandardsProcessflowchart,studygroupproceduresStevereviewedAttendancepolicy,IMATlogin,accesscodeSteve(standinginforDavidLaw)reviewedPARformsubmissiondetailsJohnD’Ambrosiareviewedthe5Criteriaprocess(dambrosia_02_0512.pdf)JohnD’AmbrosiaalsopitchedtheBandwidthAssessmentprojectandtutorialinpreparationforanewCFIonhigherspeedsCoffeebreakat10:39,returnedat10:54MarekHajduczeniareviewedProjectObjectives(hajduczenia_01_0512.pdf)ThomasHogenmueller(Bosch)presented“UseCasesandRequirements”(hogenmuller_01_0512.pdf)–questionsaboutreach,PoE,domains,connectors,

productlifetimes,numberofpairs,wakeuptimesvs.quiescentcurrent,BER,natureofthespec,videobandwidth,PoEdaisychainLunchbreak12:15,return1:35StefanBuntz(Daimler)presented“HowtoEnsureEMCbyMeasurements”(buntz_01_0512.pdf)–questionsaboutglobalEMCrequirements,channelsymmetryandtermination,coaxvs.twistedpair,EMCtestcorrelation,susceptibilityvs.emissionsWaelDiab(standinginforMikeBennett)presentedMike’sEEEpresentation(bennett_diab_01_0512.pdf)–questionsaboutchangestoEEEifRTPGEdefinesanewPHYMehmetTazebay(Broadcom)presented“FeasibilityFrameworkforReducedTwistedPairGigabitEthernet(RTPGE)”(tazebay_2_0512.pdf).ChrisDiMinicoaskedhowdifferentproposalscouldbeevaluatedwhentheOpenAlliancespecisnotpublic.Discussiondeferreduntilafternextpresentation.Mehmetpresented“ChannelFrameworkforReducedTwistedPairGigabitEthernet”(tazebay_1_0512.pdf).Questions:channelmodelsdetails,crosstalkissues,natureofautomotivewiringharnessesBreakat3:30,resume3:45ChrisDiMinico(MCCommunications/Leoni)presented“ReducedTwistedPairGigabitEthernetSGLinksegments”(diminico_01_0512.pdf).Comments:agingofcablewillhaveasignificanteffectonthechannel,musthaveastandardmeasureablechannelBensonHuang,JosephChou(Realtek)presented“AFeasibilityStudyofOneTwistedPairGigabitEthernet”(huang_01_0512.pdf).Questions/comments:doesdatarepresentoneortwopairsystems?Wheredidexamplechannelmodelcomefrom?WeshouldconsiderothersourcesofnoisethanjustalienXTALK.Assumptionofperfectechocancellationisoptimistic.SNRinexamplecalculationmaynotbeadequate.Meetingadjourned4:455/16/12Meetingresumed9:00BillWoodruff(standinginforHassaanAslam)(Broadcom)presented“ReducedPairEthernet–AdjacentMarkets”(aslam_01_0512.pdf).Questions:isextendedreachalsoanobjective?Canwejustifyprojectwithreducedpaironly(perhapsevenwithreducedreach)?Shouldweconsidertwodifferentmediaoptions?

PresentationbyLudwigWinkel(Siemens)“IndustrialEnvironment”(winkel_01_0512.pdf).Questions:Doesthismarketrequirefull‐duplexandPoE,anddoesthisaffectthechannelrequirements?MustwesupportSTPchannels(railroad)?IsAutonegotiationrequired?Steve:deadlinesforpresentationswillbeenforcedinfuture–nolatechangesunlesstechnicalerrorsfoundlateSteve:NextstepsaretocreatePAR,5Criteria,Objectives–ad‐hocswillbecreatedtostartthisprocess.Ad‐hoctogeneratequestionsaboutPoErequirementsappointed,chairisDaveDwelley.Ad‐hoctodevelopchanneldefinitionscreated,chairsareMehmetTazebayandChrisDiMinico.Ad‐hocswillcreatepresentationsforfuturemeetings,entiregroup(includingnon‐ad‐hocmembers)willhaveopportunitiestocommentatthattime.PARad‐hoccreatedtogeneratePARapplication,SteveCarlsonischairSteveaskedforavolunteertochairBroadMarketad‐hoc–ThomasHogenmuellervolunteeredtobechair.JeffThompsoncommentedthat5Criteriashouldbecarefullyconsideredandnotjustcopiedfrompreviouspresentations–theywilldefinetheworkthatthegroupdoes.Steverecommendedthatthead‐hocgroupsusethegroupreflectorforcommunications.LargefilesshouldbesenttoStevedirectlyforpostingtothewebsite.Steveaskedforavolunteertoorganizetheobjectives;Mehmetvolunteered.Recessat10:02toadhocgroups.Reconvenedat10:33.AlanFlatman(LANTechnologies)presented“SpecifyingEnvironmentalRequirementsforCablingSystems&ComponentswithMICE”(ISO/IECTR29106)(flatman_01_0512.pdf).Questions/comments:Thereareotherindustrialautomationspecsaswellthatcoversimilarareas.Whoownsspectables?IfRTPGEwantedtoaddtoMICE,whowouldtheycontact(Answer:Alan)?TempandvibrationspecseveninM3aretoolow.Recessbacktoad‐hocsat10:45.Reconvenedat3:00.

Stevevolunteeredtocompletethecompatibilityanduniqueidentityaspectsofthe5criteriaandtheobjectivesaspartofhisPARadhoc.WaelDiabhasvolunteeredtochairanEEEadhocforRTPGE.MahmetandChris’schanneladhocwillalsohandletechnicalandmarketfeasibility.Steveproposedtwoobjectivesforgroupapproval:

1. Preservethe802.3/Ethernetframeformatutilizingthe802.3MAC2. Preserveminimumandmaximumframesizeofthecurrent802.3standard

Motiontoapprovetheabove,movedbyGeorgeZimmerman,secondedbyMehmetTazebay,Y:29,N:0,A:1Technical>75%,motionpasses.Adhocreports:DaveDwelleyreportedthePoEadhocgeneratedalistofquestionsthatwillbeforwardedtothereflectorforfurthercomments.ChrisDiMinicoreportedthechanneladhocmetanddiscussedstrategy.MehmetTazebayreportedthattheobjectiveadhocwillmeetafterthemeeting.ThomasHogenmuellerreportedthattheMarketpotentialadhocmetandreviewedtheBoschpresentationtothecommittee.Thegroupwillgenerateacustomerdatabaseandforwardittothereflector.Motiontoadjourn,byDaveDwelley,secondedbyMarioTraeber,passedbyacclimationAdjournedat3:12Listofattendeesattached