Foreword
1 Scope
2 Normative references
3 Definitions and abbreviations
3.1 Abbreviations
3.2 Definitions
3.3 Naming and numbering conventions
3.4 Symbols and diagrammatic conventions
4 Introduction
4.1 Functional modelling rationale
4.2 The underlying principles of functional modelling
5 Network layering principles
5.1 Transmission layers
5.2 Atomic functions
5.3 Reference points
5.4 Transmission sub-layers
6 Combination rules
6.1 General
6.2 Directionality
6.3 Compound functions
6.4 Major compound functions
6.5 Trail, (sub)network connections, link connections,
matrix connections, and tandem connections
6.6 Matrix connections
7 Maintenance signals and processes
8 Supervision process
9 Protection process
10 Timing processes
11 General performance
Annex A (normative): Pointer generation
Annex B (normative): Pointer interpretation
Annex C (informative): Network "production rules"
Annex D (informative): Flexible assignment of tributary
port to VC-12 capacity
Annex E (informative): Relationship between TU-2/12
address, and location of columns within a VC-4
Annex F (informative): Performance monitoring history
process
Annex G (informative): Protection switch examples
Annex H (informative): Bibliography
History