COMMUNICATIONS STANDARDS REVIEW Volume 13, Number 4 February 21, 2002 REPORT OF ETSI TM6 #25, ACCESS TRANSMISSION SYSTEMS ON METALLIC CABLES, FEBRUARY 4 – 8, 2002, TORINO, ITALY The following report represents the view of the reporter and is not the official, authorized minutes of the meeting. ETSI TM6 #25, Access Transmission Systems on Metallic Cables, Feb. 4 – 8, 2001, Torino, Italy.3 Future of ETSI TM6.............................................................................................................4 Liaison from ETSI TC STQ.................................................................................................4 Liaison from ETSI TC AT....................................................................................................4 Report from ITU-T Q4/15....................................................................................................4 Report from T1E1.4..............................................................................................................5 Joint CENELEC ETSI Coordination Meeting......................................................................5 SDSL..........................................................................................................................................5 Deactivation/Warm Start.......................................................................................................6 Test Noise.............................................................................................................................8 Multi-Pair.............................................................................................................................8 Wetting Current..................................................................................................................10 Summary of the Status of Study Points for TM-06022......................................................10 New WI TM-06032, TS 101 524 Extension to SDSL Working Over Multiple Pairs........12 VDSL.......................................................................................................................................12 Part 1. VDSL Functional Requirements, Revision of TS 101 270-1 (TM-06026-1)...........12 FS-VDSL Liaison.........................................................................................................12 PSD Mask Issues.........................................................................................................13 Upstream Power Backoff..............................................................................................16 Packet Transport Mode.................................................................................................16 Simulation Parameters..................................................................................................17 VDSL Splitter Issues....................................................................................................17 TM-06026-1 Living List...............................................................................................17 Part 2. VDSL Transceiver Requirements, Revision of TS 101 270-2 (TM-06023)............18 Study Points for the Revision of TS 101 270-2 (TM-06023).......................................18 ADSL.......................................................................................................................................18 Testing Configuration.........................................................................................................19 Performance Objectives......................................................................................................20 Deployment Issues.............................................................................................................23 Splitter Issues.....................................................................................................................23 All Digital Loop..................................................................................................................24 TM-06025 Living List........................................................................................................25 Spectral Management................................................................................................................26 TM-06029 (rev of TR 101 830-1), Part 1: Definition of signals.........................................26 Part 1 Living List................................................................................................................27 February 21, 2002 Vol. 13.04 Copyright © CSR 2002 1 COMMUNICATIONS STANDARDS REVIEW TM-06030 (rev of TR 101 830-2), Part 2, Technical Methods for Performance Evals........27 Part 2 Living List................................................................................................................29 TM-06031 (TR 101 830-3), Part 3, Construction Methods for Spectral Mgmt Rules........29 Part 3 Living List................................................................................................................30 TM6(01)17 European Approaches to Spectral Management..............................................30 VoDSL.....................................................................................................................................30 VoDSL Living List.............................................................................................................30 European Specific Splitter Requirements..................................................................................31 SP1, ADSL-friendly PSD Mask.........................................................................................31 Splitter Testing....................................................................................................................32 STF 215..............................................................................................................................33 Draft TS 101 952-1-2 (High Pass ADSL/POTS Splitters).................................................33 Draft TS 101 952-1-3 (ADSL/ISDN Splitters)..................................................................33 DSL Splitter Living List......................................................................................................34 Liaisons..............................................................................................................................34 Work Plan..........................................................................................................................34 DSL Testing and Interoperability..............................................................................................34 Testing Methods for DSL Splitters...........................................................................................35 TM6 #25 Meeting Roster, February 4 – 8, 2002, Torino, Italy..................................................36 Acronym Definitions......................................................................................................................38 Communications Standards Review Copyright Policy....................................................................40 CSR’s Fully Searchable CDs CSR CDs are indexed for machine searching (Adobe Acrobat). They are very useful for researching technical issues as well as for prior-art searches. Your company’s patent or legal departments may also find these CDs useful. Twelve Year CD: all CSR reports from 1990 through 2001 on one CD $2,400 to non-subscribers; subscribers receive a $200 discount for each year of subscription during 1990 – 2001 Quarterly CDs: 3 months of CSR reports on each CD, in an annual subscription $695 to non-subscribers but only $200 as an add-on to current subscriptions Annual CDs: 12 months of CSR reports on a CD for each calendar year 1990 to present $695 to non-subscribers, $200 to current subscribers 2 Vol. 13.04 Copyright © CSR 2002 February 21, 2002 COMMUNICATIONS STANDARDS REVIEW REPORT OF ETSI TM6 #25, ACCESS TRANSMISSION SYSTEMS ON METALLIC CABLES, FEBRUARY 4 – 8, 2001, TORINO, ITALY M. Gindel (Telekom Austria) is the TM6 chair. TD-00 contains the list of TDs and their abstracts. TD-01r1 is the meeting agenda. TD-02 shows the status of TM6 WIs (published WIs not included). M. Gindel had informed TM6 delegates by email prior to the meeting that his term as TM6 Chair would end by December 2002, and that it was necessary for the committee to indicate its wishes for the next period of chairmanship before the forthcoming TC TM meeting. There was unanimous support by email supporting M. Gindel as the TM6 Chair for another term; hence, he will offer his candidature as TM6 Chair for the following period. He also indicated that he will be able to dedicate more time to TM6 from the end of the year, as he will retire from his other activities with Telekom Austria. TM6 discussed choosing meeting places outside of Europe. It was decided to postpone to the year 2003 any TM6 meeting outside Europe. The following table shows the work items assigned to TM6 for this meeting: ETSI no. WI Title DTS/TM-06021 TM; Access networks; Reqs. for the support of VoDSL TS 101 524 RTS/TM-06022 TM; Access networks; SDSL TS 101 270-2 RTS/TM-06023 TM; VDSL; Part 2: Transceiver Specification issue 2 TS 101 388 RTS/TM-06025 TM; ADSL - European specific requirements TS 101 270-1 RTS/TM-06026-1 TM; VDSL; Part 1: Functional requirements TR 101 953-1-2 DTR/TM-06027-1-2 Test Methods for High Pass part of ADSL/POTS splitters TR 101 953-1-3 DTR/TM-06027-1-3 Test Methods