Summary

Supplement 50 to ITU-T G-series Recommendations provides an overview of the family of digital subscriber line (DSL) Recommendations. It describes how the various ITU-T Recommendations on DSL are related. This supplement also defines a generic system reference and a protocol reference configuration for ITU-T Recommendations on DSL and relates it to the system reference models of the ITU-T Recommendations on DSL.

This supplement integrates and replaces Recommendation ITU-T G.995.1 (2001) and its Amendment 1. It also includes more clauses and text with regard to Recommendations ITU‑T G.992.3, ITU-T G.992.4, ITU-T G.993.2, ITU-T G.993.5, ITU-T G.998.1, ITU-T G.998.2, ITU-T G.998.3 and ITU-T G.998.4.