scope:

This standard specifies the requirements for Single-Pair High-Speed Digital Subscriber Line (SHDSL) transceivers for use in North America.

This standard specifies ITU-T Recommendation G.991.2 (revised 12/03), Single-Pair High- Speed Digital Subscriber Line (SHDSL) Transceivers, as a normative reference and identifies the requirements in ITU-T G.991.2 (revised 12/03) that are different in North America. This standard specifies the requirements for a transmission system providing symmetric payload data rates up to 5696 kbit/s.