1
Scope
2
References
3
Definitions
4
Abbreviations
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) – Acknowledge, Type 1
7.7 ACK(2) – Acknowledge, Type 2
7.8 NAK-EF – Negative Acknowledge, Errored Frame
7.9 NAK-NR – Negative Acknowledge, Not Ready
7.10 NAK-NS – Negative Acknowledge, Not Supported
7.11 NAK-CD – Negative Acknowledge, Clear Down
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 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
Annex A
– Support for legacy non-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.0 Scope (supplements 1)
C.1 Signals and modulation (pertains to 6)
C.2 Start-up/cleardown procedures (pertains to 11)
Appendix
I – 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 G.994.1 parameters
IV.1 Introduction
IV.2 Procedure
Appendix
V – Rules for code point table numbering
Appendix
VI – Bibliography