Asymmetric digital subscriber line
ADSL standards
Columns: Version | Standard name | Common name | Downstream rate | Upstream rate
ADSL | ANSI T1.413-1998 Issue 2 | ADSL | 08.0 8.0 Mbit/s | 1.0 Mbit/s | ADSL | ITU G.992.1 | ADSL ( G.DMT ) | 8.0 Mbit/s | 1.3 Mbit/s | ADSL | ITU G.992.1 Annex A | ADSL over POTS | 12.0 Mbit/s | 1.3 Mbit/s | ADSL | ITU G.992.1 Annex B | ADSL over ISDN | 12.0 Mbit/s | 1.8 Mbit/s | ADSL | ITU G.992.2 | ADSL Lite ( G.Lite ) | 01.5 1.5 Mbit/s | 0.5 Mbit/s | ADSL2 | ITU G.992.3 | ADSL2 | 12.0 Mbit/s | 1.3 Mbit/s | ADSL2 | ITU G.992.3 Annex J | ADSL2 | 12.0 Mbit/s | 3.5 Mbit/s | ADSL2 | ITU G.992.3 Annex L | RE-ADSL2 | 05.0 5.0 Mbit/s | 0.8 Mbit/s | ADSL2 | ITU G.992.4 | splitterless ADSL2 | 01.5 1.5 Mbit/s | 0.5 Mbit/s | ADSL2+ | ITU G.992.5 | ADSL2+ | 20.0 Mbit/s | 1.1 Mbit/s | ADSL2+ | ITU G.992.5 Annex M | ADSL2+M | 24.0 Mbit/s | 3.3 Mbit/s | ADSL2++ | (up to 3.75MHz) | ADSL4 | 52.0 Mbit/s ? | 5.0 Mbit/s ?