1
Scope
2 References
3 Definitions
4 Abbreviations
5 Reference models
5.1 ATU functional model
5.2 User plane protocol
reference model
5.3 Management plane
reference model
5.4 Application models
5.4.1 Data service
5.4.2 Data with POTS service
5.4.3 Intentionally left blank
5.4.4 Voice over data service
6 Transport Protocol
Specific Transmission Convergence (TPS‑TC) function
7 Physical Media
Specific Transmission Convergence (PMS‑TC) function
8 Physical Media
Dependent (PMD) function
9 Management Protocol
Specific Transmission Convergence (MPS‑TC) functions
10 Control Protocol Specific Transmission Convergence (CPS‑TC)
functions
11 Dynamic behaviour
Annex A
– Specific requirements for an ADSL system operating in the frequency band
above POTS
A.1 ATU‑C
functional characteristics (pertains to clause 8)
A.1.1 ATU-C PMD control
parameter settings
A.1.2 ATU‑C downstream transmit spectral mask for overlapped spectrum
operation
A.1.3 ATU-C transmitter PSD mask for non-overlapped spectrum operation
A.2 ATU‑R
functional characteristics (pertains to clause 8)
A.3 Intentionally left
blank
A.4 Electrical
characteristics
Annex B
– (void annex)
Annex C –
Specific requirements for an ADSL system operating in the same cable as ISDN as
defined in ITU-T Rec. G.961 Appendix III
Annex D
– ATU-C and ATU-R state diagrams
Annex E
– POTS and ISDN-BA splitters
Annex F
– ATU performance requirements for Region A (North America)
Annex G
– (void annex)
Annex H – (void annex)
Annex I
– All digital mode ADSL with improved spectral compatibility with ADSL over
POTS
I.1 ATU‑C functional characteristics (pertains to
clause 8)
I.1.1 ATU-C control parameter settings
I.1.2 ATU‑C downstream transmit spectral mask for overlapped spectrum
operation
I.1.3 ATU‑C downstream transmit spectral mask for non-overlapped
spectrum operation
I.2 ATU‑R functional characteristics (pertains to
clause 8)
I.3 Intentionally left blank
I.4 Electrical characteristics
Annex
J – (void annex)
Annex
K – TPS‑TC functional descriptions