Class I vs. Class II Cabling - IEEE 802

1 1 class i vs . Class IIClass I vs. Class IICablingCablingAlan FlatmanAlan FlatmanPrincipal ConsultantPrincipal ConsultantLAN TechnologiesLAN TechnologiesEmail: Email: to ieee Task Force; 16-18 July 2013, Geneva, I vs. Class II & connector costs for a 30m status& plansContribution to ieee Task Force; 16-18 July 2013, Geneva, CH3 ISO/IEC TR 11801-99-140 GBASE-T Cabling Guidance speculative project approved March 2012 to support Next Gen. BASE-T initiatives underway within ieee motivation to offer range of optionsrange of optionsfor 40 GBASE-T Technical Report route chosen to expedite processexpedite process PDTR had substantial support in 1stnational review 2ndPDTR circulated in April 2013 for approval as DTR ISO/IEC 11801-99-1 expected to be approved 1Q14 Contribution to ieee Task Force.

2 16-18 July 2013, Geneva, CH4 ISO/IEC TR 11801-99-1 DeliverablesCat 6 ACat 7 APerformance Requirementsfor 30m, 2-connector ChannelLegacycomponentsLegacycomponentsL egacycomponents tohigher frequencyEnhancedcomponents tohigher frequencyEnhancedcomponents tohigher frequencyTutorial on Channel Capacity,Assumptions, other PHY-relatedLegacycomponents tohigher frequencyContribution to ieee Task Force; 16-18 July 2013, Geneva, CH5 ISO/IEC TR 11801-99-1 Next Generation CablingPerformance Requirementsfor 30m, 2-connector ChannelLegacy Cat 6 AComponentsto 500 MHzLegacy Cat 7 AComponentsto 1000 MHzLegacy Cat 7 AComponentsto 1,600 MHz*ClassI Channel withCat Componentsto 1,600 MHz*ClassII ChannelwithCat Componentsto 1,600 MHz*Tutorial on Channel Capacity,Assumptions, other PHY-relatedNext GenerationCabling for 40G*Upper Frequency of 2 GHz For Further StudyContribution to ieee Task Force.

3 16-18 July 2013, Geneva, CH6 Horizontal Balanced Cabling ModelsContribution to ieee Task Force; 16-18 July 2013, Geneva, CHEquipmentCEquipmentCFlexibleCord= connection (mated pair)CEquipmentFlexibleCordCCEquipmentCC hannel (30m max)InterconnectEquipmentOutletFixedCabl eFlexibleCordChannel (~10m max)C7 Cable ConstructionTypical Cat 8 CableTypical Cat CableTwisted pairs Inner foil sheaths Braid Outer foil sheath F/UTPS/FTPNote: ISO/IEC 11801 & IEC 61156 do not specify cable constructionContribution to ieee Task Force; 16-18 July 2013, Geneva, CH8 ConnectorsIEC 60603-7-71GG45 has a switch1,000 MHz Cat 7 AIEC 61076-3-110 ARJ45 8-contacts600 -3,000 MHz Cat 7A& 60603-7RJ458-contacts3 -2,000 MHzCat 3 to 6A& 61076-3-104 Tera8-contacts600 -2,000 MHzCat 7A& to ieee Task Force.

4 16-18 July 2013, Geneva, CH9 Comparison of Class I & Class II ChannelsRLISO/IEC 11801-99-1 2ndPDTRC lass I ChannelISO/IEC 11801-99-1 2ndPDTRC lass II Channel631<f<1000 36-10*log(f)1000<f<2000 6dB631<f<1000 35-9*log(f)1000<f<2000 ( f+ + f) + ( f+ + f) + fTCLELTCTLCA30<f<100 50dB100<f<2000 90-20*log(f)30<f<100 50dB100<f<2000 90-20*log(f)PSANEXT1<f<100100-10*log(f)1 00<f<2000110-15*log(f)1<f<100105-10*log( f)100<f<2000115-15*log(f)PSAACRF56-20*lo g(f/100)61-20*log(f/100)1<f< 38-20*log(f)1<f< 38-20*log(f)1<f<1600 60-17*log(f)1600<f<2000 40dB max1<f<1600 60-17*log(f)1600<f<2000 40dB maxContribution to ieee Task Force; 16-18 July 2013, Geneva, CH10 Comparison of Class I & Class II ChannelsISO/IEC 11801-99-1 2ndPDTRC lass I Channel @ 1 GHzISO/IEC 11801-99-1 2ndPDTRC lass II Channel @ Advantage HighlightedPerformance Advantage to ieee Task Force.

5 16-18 July 2013, Geneva, CH11 Class I/II Channel RL Performance68101214161820110100100010000 dBFrequency (MHz) Class FClass FAAC lass EClass EAAC lass IIClass IIClass IClass IContribution to ieee Task Force; 16-18 July 2013, Geneva, CH1201020304050607080110100100010000 NEXT(dB) Class IIClass IIClass IClass IFrequency (MHz) Class FClass FAAC lass EClass EAAC lass I/II Channel IL & NEXT PerformanceIL(dB)100m30mContribution to ieee Task Force; 16-18 July 2013, Geneva, CHClass I/II PSANEXT Performance40506070809010011010010001000 0 Frequency (MHz)dB13 Class FClass FAAC lass EClass EAAC lass IIClass IIClass IClass IContribution to ieee Task Force; 16-18 July 2013, Geneva, CH2030405060708090100110100100010000 Frequency (MHz) Class I/II PSAACR-F Performance14dBClass FClass FAAC lass EClass EAAC lass IIClass IIClass IClass IContribution to ieee Task Force.

6 16-18 July 2013, Geneva, CH15 Capacity AssessmentCase 1:Fixed AssumptionsCN = 40dBCase 2:Variable AssumptionsCN = variableCF = 25dBCR = 55dBBN = -150dBm/HzTp = 3dBmignored due to screeningNEXT Noise SuppressionFEXT Noise SuppressionEcho Noise SuppressionBackground Noise PSDT ransmit Signal PowerPSANEXT NoisePSAACRF Noiseignored due to screeningBN = -150dBm/HzTp = 3dBmignored due to screeningignored due to screeningCF = variableCR = variable10 GBASE10 GBASE--TTSuppressionSuppressionCase 1:Fixed AssumptionsCN = 40dBCF = 25dBCR = 55dBContribution to ieee Task Force; 16-18 July 2013, Geneva, CH16 Class I/II Capacity AssessmentBackground noise level = Tp BN 10log(f) Margin to Capacity based on bliss_01_0912_NGBTC ontribution to ieee Task Force; 16-18 July 2013, Geneva, CH17 Class I/II Capacity Assessmentreduce CN + CF for same margin as Class I CN = 20dB lessCF= 20dB lessContribution to ieee Task Force.

7 16-18 July 2013, Geneva, CHCable Dimensions18 8 major Cabling suppliers surveyed for cable ODs suppliers produce both F/UTP & S/FTP cables LSZH solid conductor cable types considered Cat cable an enhanced version of Cat 6AF/UTP Cat 6AF/UTP OD in range (mean ) Cat F/UTP OD (larsen_01a_1112_NGBT) Cat cable an enhanced version of Cat 7AS/FTP Cat 7AS/FTP OD in range (mean ) Cat S/FTP OD (early products)Contribution to ieee Task Force; 16-18 July 2013, Geneva, CHRelative Costs19 7 major Cabling suppliers surveyed for component prices suppliers produce UTP, F/UTP and S/FTP cables LSZH cable types considered (no plenum types) average 2012 supplier volume EMEA selling prices relative mean cost of 30m, 2-connector channel calculated as.

8 2m cord + 26m cable + 2m cord 3 different Cat 7 Aconnector types * cost of enhancement of Cat 6 Ato Cat & Cat 7 Ato Cat considered to be similarF/UTPS/FTPS/FTPCat 6 ACat 7A100%102%104% -136%*UTP126%Contribution to ieee Task Force; 16-18 July 2013, Geneva, CH20 ISO/IEC TR 11801-99-1 Plan for Completion & Next Steps 2ndPDTR circulated in April for approval as DTR ISO/IEC 11801-99-1 planned to be published 1Q14 definition of 30m, 2-connector channels underway guide to be provided on use of cords as channels new Cats/Classes to be part of ISO/IEC 11801 will be influenced by preferences within to ieee Task Force; 16-18 July 2013, Geneva, CH21 Class I vs.

9 Class II CablingSummaryCable OD difference~5% greater for Class IICable bulk difference~10% greater for Class II30m channel cost difference(components only)4-36% greater for Class IINEXT & FEXT cancellationfor same margin to capacity~20dB less less for Class IICost & cable bulk are NOT major decision factorsCost & cable bulk are NOT major decision factorsChannel performance IS a major decision factor!Channel performance IS a major decision factor!Contribution to ieee Task Force; 16-18 July 2013, Geneva, CH22 Inspiration from booth_01_0513_40 GBTC ontribution to ieee Task Force; 16-18 July 2013, Geneva, CH