Recommendation ITU-T L.250 (01/2024) Topologies for optical access network
Summary
History
FOREWORD
Table of Contents
Introduction
1 Scope
2 References
3 Definitions
     3.1 Terms defined elsewhere
     3.2 Terms defined in this Recommendation
4 Abbreviations and acronyms
5 Conventions
6 Concept of layers within a network architecture
     6.1 Optical fibre
     6.2 Cables, passive components and passive nodes
     6.3 Structural facility
7 Access network architectures
     7.1 General
     7.2 Optical fibre level architecture
          7.2.1 Optical fibre point-to-point architecture
          7.2.2 Optical fibre point-to-multipoint architecture
          7.2.3 Optical fibre ring architecture
     7.3 Cable level architecture
     7.4 Convergence architecture
8 Cabling characteristics
9 Deployment method for high reliability
10 Upgrading the optical network
11 Optical transmission performance for optical access networks
12 Optical safety
13 Installation of optical access network
     13.1 Initial stage
     13.2 Growth stage
     13.3 Mature stage
     13.4 Final stage
Appendix I  Installation and maintenance issues
     I.1 Optical network maintenance support, monitoring and testing system
     I.2 Digitized management of physical infrastructures in optical access network
     I.3 Electrical power supply
     I.4 Electrical safety
Bibliography