1 Scope
2 References
3 Definitions
3.1 Terms defined elsewhere
3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Reference models and system requirements
5.1 System reference models
5.2 Application reference models
5.3 FTU protocol reference model
5.4 FTU functional model
5.5 INP system requirements
6 Profiles
6.1 Definition
6.2 Profile compliance
7 Transmission medium interface characteristics
7.1 Duplexing method
7.2 Frequency band
7.3 Power spectral density
7.4 Out-of-band PSD limit
7.5 Termination impedance
7.6 Maximum aggregate transmit power
8 Transport protocol specific transmission convergence (TPS‑TC)
function
8.1 Functional reference model
8.2 Generic DTU format
8.3 Packet-based TPS-TC (PTM-TC)
8.4 Network timing reference (NTR)
8.5 Time‑of‑day (ToD)
9 Physical media specific transmission convergence (PMS‑TC)
sub-layer
9.1 Functional reference model
9.2 DTU scrambler
9.3 DTU encoder
9.4 Interleaver
9.5 Data frame multiplexer
9.6 RMC
9.7 Acknowledgement
9.8 Retransmission function
10 Physical media dependent (PMD) function
10.1 PMD functional reference model
10.2 Symbol encoder
10.3 Precoder (downstream vectoring)
10.4 Modulation
10.5 TDD frame structure
10.6 Superframe structure
10.7 Normal and discontinuous operation intervals
10.8 Alignment of transmissions in vectored group
11 Operation and maintenance (OAM)
11.1 OAM functional model
11.2 Management functions and procedures over eoc
11.3 OAM primitives
11.4 OAM parameters
12 Link activation methods and procedures
12.1 Overview
12.2 Special operations channel (SOC)
12.3 Initialization procedure
12.4 Loop diagnostics mode
13 Online reconfiguration (OLR)
13.1 Overview
13.2 Eoc-based procedures
13.3 RMC-based procedures
13.4 Low power states
14 Electrical requirements
14.1 Balance
14.2 Differential port impedance
Appendix I – Wiring topologies and reference loops
I.1 Wiring topologies
I.2 Reference loops
Appendix II – Example OLR use cases
II.1 Transmitter initiated gain adjustment (TIGA)
Appendix III – Motivation of MTBE accelerated test
Appendix IV – Upstream dynamic resource reports
Appendix V – Retransmission buffer size and the achievable bit-rate
V.1 Case 1: NSYMret+NSYMack+1 ≤ Mus
V.2 Case 2: NSYMret+NSYMack+1≥Mus
V.3 Case 3: Lower bound for the achievable net data rate
V.4 Memory size example
Page
Appendix VI – Example applications of discontinuous operation
VI.1 Discontinuous operation with vectoring disabled
VI.2 Examples of discontinuous operation with vectoring enabled
Bibliography