Summary

This amendment adds the following functionality:

������������ Parameters to support the revision of G.991.2:

����� Annexes A and B PBO (power back-off);

����� new Annex G.

������������ Parameters to support the revision of G.992.3 Annexes J and M for upstream spectrum shaping.

������������ Parameters to support G.992.3 Annex C.B.