The Future of Cabling -

Transcription

1 FIET 2011 Limited

2 Standards Activities onvenor T215 WG1: IT abling Secretary T215 WG2 The Future of abling beyond ategory 7A and OM4 Member JT1 S25 WG3: Generic abling onvenor JT1 S25 WG3 ITG: abling Implementation Task Group (past) JT1 S25 WG3 IPTG: Industrial Premises (abling) Task Group Leader - Special Task Force 362 Energy Efficiency and Broadband Deployment, Fellow IET Managing Director hairman TT7: Telecommunications - Installation Requirements TT7/-/1: abling infrastructure design, planning and commissioning Meeting Secretary TT7/-/2: abling installation and UK implementation TT7/-/3: Facilities and infrastructures FIA Technical and Standards Director Fibreoptic Industry Association Telecommunications Infrastructure Advisory Board Mobile: +44 (0) Limited mike.gilmore@btinternet.com

3 Length Matters - The Office PP MUTOA/ TO P F 1 H F 2 WA Horizontal cabling implementation ISO/IE L BSI ANSI/TIA omponents ategory 5: (F 1 +F 2 )xx - xy lass D:2002 ategory 6 ategory 6 A ategory 7 ategory 7 A H (m) (F 1 +F 2 )xx - xy hannel lass E lass E A lass F lass F A X, Y = 1,2 for unscreened cords, 1,5 for screened cords omponents ategory 5e ategory 6 ategory 6A H+ (m) (F 1 +F 2 )xz Z = 1,2 for 24 AWG cords, 1,5 for 26 AWG cords hannel ategory 5e ategory 6 ategory 6A 2011 Limited

4 Other Dimensions - 10GBASE-T IEEE 802.3an: Link segment transmission parameters A link segment consisting of up to 100 m of lass E or up to 100 m of lass F that meets the transmission parameters of this subclause provides a reliable medium The transmission parameters of the link segment include nominal impedance delay parameters insertion loss ELFEXT NEXT loss (NEXT) MDNEXT loss (PSNEXT) return loss In addition, the requirements for the alien crosstalk coupled between link segments is specified Supported link segment distances 55 m 100 m ISO/IE lass E specifications extended by extrapolating the formulas to a frequency up to 500 MHz with appropriate adjustments for length when applicable as specified in ISO/IE TR and TIA/EIA TSB-155 abling lass E unscreened ategory 6 unscreened lass E screened ategory 6 screened lass E A Augmented ategory 6 ISO/IE11801 lass E specifications extended beyond 250 MHz by utilizing the equations referenced in TIA/EIA TSB-155 abling reference ISO/IE TR TIA/EIA TSB-155 ISO/IE TR TIA/EIA TSB-155 ISO/IE11801 Ed 2.1 TIA/EIA 568-B.2-10 lass F ISO/IE TR Limited

5 Other Dimensions - 10GBASE-T IEEE 802.3an: Short reach test channels The short reach mode of the 10GBASE-T PHY provides a means for operation on a cable plant that has parametric performance equivalent to 30 m of lass F and lass E A cabling as defined in ISO/IE L BSI ANSI/ TIA TE 5 metres One short reach test channel specification is consistent with the transmission characteristics of a cabling link of 30 m consisting of two connectors, 10 m of cable cord, and a horizontal cable distance of 20 m, that meets the ISO/IE ategory 7 component specifications. One short reach test channel specification is consistent with the transmission characteristics of a cabling link of 30 m consisting of two connectors, 10 m of cable cord, and a horizontal cable distance of 20 m that meets the ategory 6A component specifications. 20 metres 5 metres TE 2011 Limited

6 The Standards World ANSI/TIA ISO/IE L BSI omponents Links/channels omponents Links/channels 2010/ /2012 Frequency ategory 3 ategory 5e ategory 6 ategory 6A Frequency ategory 3 ategory 5e ategory 6 ategory 6A ategory 7 A being considered as TIA addendum FAILED Alternative project supported Outcome unknown Performance Frequency ategory 5 ategory 6 ategory 6 A lass E A 2009 ategory 7 Frequency lass A lass B lass lass D lass E lass F ategory 7 A lass F A 2009 Membership voting system Route of least resistance - based on unscreened solutions National voting system Since 1997 each cabling standard developed on the basis of a state of the art pairing of unscreened and screened solutions 2011 Limited

7 Higher ategory Drivers THERE ARE NO IMMINENT DEMANDS FOR NEW ATEGORIES Insertion loss - the killer 100 m of cable S/FTP WHAT MORE AN WE DO WITH THE ONES WE HAVE GOT? ategory 7 A PIMF - S/FTP ategory 5 ategory 6 ategory 6 A ategory 7 ategory 7 A Typical A: Type III 100 MHz 250 MHz 500 MHz 600 MHz 1000 MHz 21,3 db 19,9 db 33,0 db 19,1 db 19,0 db 18,7 db 31,1 db 45,3 db 31,0 db 45,3 db 50,1 db 30,0 db 43,2 db 47,6 db 62,6 db Improved latency Energy efficiency - Applications New applications New dimensions New channel lasses? Application sharing Multimedia as the driver 2011 Limited

8 Latency Latency is improved (reduced) LATENY IS A MEASURE OF DATA THROUGHPUT when noise cancellation is not necessary when delay skew is reduced if speed of data transmission is increased (NVP) Noise isolation (db) Delay Skew (microsec) lasses D, E and E A lasses F and FA Typical S/FTP hannel length (m) PSAAR-F 6A PSAAR-F 7A PSANEXT 6A PSANEXT 7A PSAR-F 6A PSAR-F 7A PSNEXT 6A PSNEXT 7A Frequency (MHz) 2011 Limited

9 Energy Efficiency - Applications IEEE 802.3an: Short reach test channels The short reach mode of the 10GBASE-T PHY provides a means for operation on a cable plant that has parametric performance equivalent to 30 m of lass F and lass E A cabling as defined in ISO/IE L BSI ANSI/ TIA TE 5 metres One short reach test channel specification is consistent with the transmission characteristics of a cabling link of 30 m consisting of two connectors, 10 m of cable cord, and a horizontal cable distance of 20 m, that meets the ISO/IE ategory 7 component specifications. One short reach test channel specification is consistent with the transmission characteristics of a cabling link of 30 m consisting of two connectors, 10 m of cable cord, and a horizontal cable distance of 20 m that meets the ategory 6A component specifications. 20 metres 5 metres TE 2011 Limited

10 Length Matters - The Data entre Switch SURVEY DATA SUPPORTING DEVELOPMENT OF LENGTH TARGETS Data source: IEEE802.3ba flatman_01_0108 Switch-to-switch Top of Rack Switch End of Rack Switch umulative links (%) Switch-to-switch lengths (m) 2011 Limited

11 Local Data entre onnectivity - I Switch SURVEY DATA SUPPORTING DEVELOPMENT OF LENGTH TARGETS Data source: 3Bln2_016_802.3_report_ISO-IE_may_2011 End of Rack switch-to-server End of Rack Switch umulative links (%) % u 77 % OF EoR Switch-to-server lengths (m) Server 2011 Limited

12 Local Data entre onnectivity - II Switch SURVEY DATA SUPPORTING DEVELOPMENT OF LENGTH TARGETS Data source: 3Bln2_016_802.3_report_ISO-IE_may_2011 Top of Rack and End of Rack switch-to-server Top of Rack Switch Server End of Rack Switch Server umulative links (%) % u 52 % OF Switch-to-server lengths (m) 2011 Limited

13 A New Dimension? Switch SURVEY DATA SUPPORTING DEVELOPMENT OF LENGTH TARGETS Data source: 3Bln2_016_802.3_report_ISO-IE_may_2011 based on data points at 3m and 10 m by J+M onsultants Top of Rack switch-to-server and Intra-cabinet switch Top of Rack Switch Server umulative links (%) "hannel" lengths (m) 2011 Limited

14 IT Applications - Applying the Brakes APPLIATION DEVELOPMENT Installed base argument (inadequate installed base of highest performance solutions - due to lack of US standardisation of screened solutions) Support for unscreened solutions restricts application capacity (inability to utilise low external noise opportunities) BAKWARDS OMPATIBILITY removal of noise suppression circuitry improved latency Support for the IE interface (increasing complex solutions to an unnecessary problem) 2011 Limited

15 onnecting Hardware PHYSIAL OMPATIBILITY with IE IE IE The Future of abling beyond ategory 7A and OM4 Performance via different pin-out I PHYSIAL OMPATIBILITY with IE Performance via switch IE PHYSIAL INOMPATIBILITY installation of IE leading to damage IE LATH Limited 7 8 4I 5I NO BAKWARDS OMPATIBILITY with IE

16 Future Standards DRAFT 3 YEAR PLAN FOR ISO/IEJT1 S25 WG3 Produced Berlin May 2011 ISO/IE XXXXX Series of Standards/Technical Reports Equipment cords: generic and non generic e.g. Twin-Ax e.g. Balanced New lengths New lasses? 2011 Limited

17 Application Sharing - I EN : HANNEL SPEIFIATION: BALANED ABLING The channels specified... are not guaranteed to support the simultaneous transmission of different applications within a cable or at an interface. 4 pair lass F A channel The sharing of components by applications (to, for example, maximise the capacity of cable management systems) may require additional performance requirements to be applied. These requirements are not included in this standard Infrastructure Grade 1 3 3S L TR : 2012 Home cabling infrastructures up to 50 m in length to support simultaneous and non-simultaneous provision of applications Analogue telephony ADSL ISDN Analogue telephony or VDSL Analogue telephony or VDSL Simultaneously supported applications IT 100BASE-T 100BASE-T 100BASE-T BT VHF/UHF television 2011 Limited

18 Application Sharing - II TE 2 pr application AO TE 1 pr application TE 1 pr application AO Adapter TE TE TE 2 pr application 1 pr application 1 pr application 2011 Limited

19 AV Applications - The New Driver 2011 Limited

20 40/100 GbE over OF Attenuation coefficient (dbkm -1 ) (nm) abled optical fibre ategory /125 50/125 OM3 OM4 40GBASE -SR4 (nm) 850 hannel length (m, max.) hannel loss (db, max.) 1,90 1, Wavelength (nm) Tx: 4 x OF Rx: 4 x OF Tx/Rx: 4 x 10 Gb 1310 OS2 -LR ** 6,70 SMF 1550 OS2 -FR ,00 100GBASE -SR10 -LR4 -ER4 (nm) 850 Tx: 10 x OF Tx/Rx: Tx/Rx: 1550 hannel length (m, max.) Rx: 10 x OF 4 x 25 Gb ** 4 x 25 Gb ** hannel loss (db, max.) 1,90 1,53 8,30 18,0 ** channel length is lower on OS Limited

21 The Future of Multimode OF HISTORIALLY MMF HAS BEEN APPLIATION TOLERANT INREASING BANDWIDTH DEMANDS HAVE UNDERMINED THAT TOLERANE Parallel optics Short channel length (max) MPO performance in patching environment Low IL max One out all out failure mode Low total H insertion loss (max) Polarity maintenance Interoperability ontamination beyond standards leaning Testing OPPORTUNITIES FOR SYSTEM-SPEIFI APPROAHES Bend-sensitivity No clear need Bends are useful indicators of bad installation Incomaptibilities are predicted Testing Operation 2011 Limited

22 Summary EFFETIVELY NO NEW ATEGORIES SHORTER LENGTHS OPPER NEW HANNEL ONEPTS FOUS ON S/FTP (PIMF) OPTIAL FIBRE (MULTIMODE) AUDIO VISUAL OVERTAKING DATA AS APPLIATION DRIVER NO LONGER IN THE OMFORT ZONE APPLIATION REQUIREMENTS FORING SYSTEM SOLUTIONS ONERNS REGARDING OPERATIONAL RELIABILITY 2011 Limited

23 FIET 2011 Limited