�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