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