ADSL Settings Adsl Settings. ADSL modulation: (Note: Only Annex A supports G. Lite) G.Lite G.Dmt T1.413 ADSL2 ADSL2+ AnnexL Option: (Note: Only ADSL 2 supports AnnexL) Enabled AnnexM Option: (Note: Only ADSL 2/2+ support AnnexM) Enabled ADSL Capability: Bitswap Enable SRA Enable ADSL Tone: