Amendment 1
1 Scope
2 References
3 Definitions
4 Abbreviations and acronyms
5 System reference diagram
6 Signals and modulation
6.1 Description of signals
6.2 Modulation
6.3 Transmit filter characteristics
7 Description of messages
7.1 CL – Capabilities list
7.2 CLR – Capabilities list + request
7.3 MR – Mode request
7.4 MS – Mode select
7.5 MP – Mode proposal
7.6 ACK(1) – Acknowledgement, type 1
7.7 ACK(2) – Acknowledgement, type 2
7.8 NAK-EF – Negative Acknowledgement, errored frame
7.9 NAK-NR – Negative Acknowledgement, not ready
7.10 NAK-NS – Negative Acknowledgement, not supported
7.11 NAK-CD – Negative Acknowledgement, cleardown
7.12 REQ-MS – Request MS message
7.13 REQ-MR – Request MR message
7.14 REQ-CLR – Request CLR message
7.15 REQ-RTX – Retransmission message
8 Structure of messages
8.1 Format convention
8.2 Frame structure
8.3 Frame check sequence field
8.4 Octet transparency
8.5 Inter-frame time fill
9 Message coding format
9.1 General
9.2 Coding format for parameters in the I and S fields
9.3 Identification field (I)
9.4 Standard information field (S)
9.5 Non-standard information field (NS)
9.6 Overall message composition
10 ITU-T G.994.1 transactions
10.1 Basic transactions
10.2 Extended transactions
10.3 Message segmentation
10.4 State transition diagrams
10.5 Retransmission transactions
11 Start-up/cleardown procedures
11.1 Duplex start-up procedures
11.2 Half-duplex start-up procedures
11.3 Cleardown procedure
12 Error recovery procedures
13 Downstream maximum PSD control parameters
13.1 GHS A43 carrier set maximum PSD level in downstream
13.2 GHS A43c and B43C carrier set maximum PSD level in downstream
13.3 GHS B43 and J43 carrier set maximum PSD level in downstream
13.4 GHS V43 carrier set maximum PSD level in downstream
13.5 GHS individual carrier maximum PSD level in downstream
Annex A Support for legacy non-ITU-T G.994.1 devices
Annex B Operation over multiple wire pairs
Annex C An operating mode for use in the same cable as TCM-ISDN
C.1 Scope (supplements clause 1)
C.2 Signals and modulation (pertains to clause 6)
C.3 Start-up/cleardown procedures (pertains to clause 11)
Annex D Collision control protocol for
point-to-multipoint (P2MP) operation
D.1 Scope
D.2 Definitions
D.3 Abbreviations and acronyms
D.4 Overview
D.5 Collision control session
D.6 Signals for collision control protocol
D.7 Management
Annexes E to L
Annex M Managed objects
M.1 Scope
M.2 Configuration objects
Page
Appendix I ITU-T G.994.1 sample sessions
Appendix II Provider code contact information
Appendix III Support for legacy DMT-based devices
Appendix IV Procedure for the assignment of additional ITU-T G.994.1
parameters
IV.1 Introduction
IV.2 Procedure
Appendix V Rules for code point table numbering
Bibliography