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