Table of Contents

�1���� Scope
�2���� Revision history
�3���� Definitions
�4���� Abbreviations
�5���� Overview of the family of ITU-T Recommendations on digital subscriber line (DSL)
������� 5.1���� ITU‑T G.991.1: High bit rate digital subscriber line (HDSL) transceivers
������� 5.2���� ITU‑T G.991.2: Single-pair high-speed digital subscriber line (SHDSL) transceivers
������� 5.3���� ITU‑T G.992.1: Asymmetric digital subscriber line (ADSL) transceivers
������� 5.4���� ITU‑T G.992.2: Splitterless asymmetric digital subscriber line (ADSL) transceivers
������� 5.5���� ITU‑T G.992.3: Asymmetric digital subscriber line transceivers 2 (ADSL2)
������� 5.6���� ITU‑T G.992.4: Splitterless asymmetric digital subscriber line transceivers 2 (splitterless ADSL2)����
������� 5.7���� ITU‑T G.992.5: Asymmetric digital subscriber line transceivers 2 (ADSL2) � Extended bandwidth (ADSL2plus)����
������� 5.8���� ITU-T G.993.1: Very high speed digital subscriber line (VDSL) transceivers
������� 5.9���� ITU-T G.993.2: Very high speed digital subscriber line transceivers 2 (VDSL2)
������ 5.10���� ITU‑T G.993.5: Self-FEXT cancellation (vectoring) for use with VDSL2 transceivers
������ 5.11���� ITU‑T G.994.1: Handshake procedures for digital subscriber line (DSL) transceivers
������ 5.12���� ITU‑T G.996.1: Test procedures for digital subscriber line (DSL) transceivers
������ 5.13���� ITU‑T G.996.2: Single ended line testing for digital subscriber lines (DSL)
������ 5.14 ����ITU‑T G.997.1: Physical layer management for digital subscriber line (DSL) transceivers����
������ 5.15���� ITU‑T G.998.1: ATM-based multi-pair bonding
������ 5.16���� ITU‑T G.998.2: Ethernet-based multi-pair bonding
������ 5.17���� ITU‑T G.998.3: Multi-pair bonding using time-division inverse multiplexing
������ 5.18���� ITU‑T G.998.4: Improved impulse noise protection for DSL transceivers
������ 5.19���� ITU‑T G.999.1: Interface between the link layer and the physical layer for digital subscriber line (DSL) transceivers����
������ 5.20���� Relationship among the ITU-T Recommendations on DSL
�6���� The reference configuration for ITU‑T G.99x-series Recommendations
������� 6.1���� Generic reference configuration
������� 6.2���� Reference layered protocol architecture for ITU‑T G.99x Recommendations
�7���� Illustration of data service using ITU-T Recommendations on DSL
������� 7.1���� End-to-end data-centric connection
������� 7.2���� Illustration of service presentation options
�8���� Glossary of terms in ITU-T Recommendations on DSL
Appendix I � Bibliography����