Annex J – All Digital
Mode ADSL with improved spectral compatibility with ADSL over ISDN
J.1 ATU‑C functional characteristics (pertains to clause 8)
J.2 ATU‑R functional characteristics
(pertains to clause 8)
J.3 Initialization
J.4 Electrical characteristics
Annex L –
(Intentionally left blank)
Annex M – Specific
requirements for an ADSL system with extended upstream bandwidth, operating in
the frequency band above POTS
M.1 ATU‑C functional characteristics
(pertains to clause 8)
M.2 ATU‑R functional
characteristics (pertains to clause 8)
M.3 Initialization
M.4 Electrical characteristics