• HANDBOOK – DSL story – 2010
  • Summary
  • TABLE OF CONTENTS
  • 1 Introduction - The DSL story
  • 2 Overview of xDSL technology
    • 2.1 The objectives of xDSL technology
    • 2.2 ITU-T Recommendations related to xDSL technology
    • 2.3 Presentation of xDSL Recommendations
    • 2.4 Presentation
  • 3 xDSL Recommendation family
    • 3.1 Presentation
    • 3.2 The HDSL and SHDSL technologies
    • 3.3 The five ADSL technologies
    • 3.4 The two very high speed digital subscriber line (VDSL) technologies
    • 3.5 ITU-T G.993.5 - Self-FEXT cancellation (vectoring) for use with VDSL2 transceivers
  • 4 Generic xDSL reference models (ITU-T G.995.1-based)
    • 4.1 The three generic reference models
    • 4.2 System reference models of ITU-T G.991.1
    • 4.3 System reference models of ITU-T G.991.2
    • 4.4 System reference models of ITU-T G.992.1
    • 4.5 System reference models of ITU-T G.992.2
    • 4.6 System reference models of ITU-T G.992.3
    • 4.7 System reference models of ITU-T G.992.4 and ITU-T G.992.5
    • 4.8 System reference models of ITU-T G.993.1
    • 4.9 System reference models of ITU-T G.993.2
  • 5 Operation and signalling
    • 5.1 Main principles
    • 5.2 Principles of the signalling system in xDSL technologies (ITU-T G.994.1)
    • 5.3 Principles of operation and maintenance in xDSL technologies (ITU-T G.997.1)
    • 5.4 Impulse noise from ITU-T G.998.4
    • 5.5 Operation and signalling in HDSL and SHDSL
    • 5.6 Operation and signalling in the five ADSL variants
    • 5.7 Operation and signalling in the two VDSL variants
  • 6 Association of xDSL data rates
    • 6.1 ITU-T G.998.1 - ATM-based multi-pair bonding
    • 6.2 ITU-T G.998.2 - Ethernet-based multi-pair bonding
    • 6.3 ITU-T G.998.3 - Multi-pair bonding using time-division inverse multiplexing
    • 6.4 ITU-T G.999.1 - Link layer to PHY layer interface
  • 7 Test procedures and electrical requirements for xDSL
    • 7.1 ITU-T G.996.1 - Test procedures for digital subscribe line transceivers
    • 7.2 ITU-T G.996.2 - Single-ended line testing for digital subscriber lines (DSL)
    • 7.3 ITU-T G.991.1 - HDSL
    • 7.4 ITU-T G.991.2 - SHDSL
    • 7.5 ITU-T G.992.1 (clauses A.4, F.2 and G.1 of ITU-T G.992.1)
    • 7.6 ITU-T G.992.2 - Splitterless ADSL
    • 7.7 ITU-T G.992.3 - ADSL2 (see clauses A.4, B.4, I.4, J.4, L.4 and M.4 of ITU-T G.992.3)
    • 7.8 ITU-T G.992.4 - Splitterless ADSL2 - (clause A.4 of ITU-T G.992.4) - Electrical characteristics
    • 7.9 ITU-T G.992.5 - ADSL2plus
    • 7.10 ITU-T G.993.1 - VDSL - Testing methodology
    • 7.11 ITU-T G.993.2 - VDSL2 - Electrical requirements
    • 7.12 Conclusions
  • Annex A – List of standards and ITU-T Recommendations related to xDSL
  • Annex B – List of relevant Questions
  • Annex C – List of PSD masks used in xDSL
  • Annex D – Abbreviations, acronyms and DSL terminology
  • D.1 Acronyms or abbreviations
  • D.2 Definitions
  • D.3 Power cutback definitions