Amendment 1 to Recommendation ITU-T G.993.2 (2015) covers the following functionality:
1. Updates to Annex B (deletion and new functionality)
2. New Annex N: band plan for region D (China) (new functionality).
3. New Annex Q: Enhanced data rate 35 MHz VDSL2 with 4.3125kHz sub-carrier spacing (new functionality).