Recommendation ITU-T L.312 (01/2024) Optical fibre cable maintenance support, monitoring and testing system for optical fibre cable networks carrying high total optical power
Summary
History
FOREWORD
Table of Contents
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 Fundamental requirements
7 System requirements
     7.1 Connection for optical fibre cable carrying high total optical power
     7.2 Termination for optical fibre cable carrying high total optical power
          7.2.1 Optical fibre cord for testing
          7.2.2 Optical fibre handling
     7.3 Testing access modules for optical fibre carrying high total optical power
     7.4 Optical switch for optical fibre cable carrying high total optical power
8 Testing and maintenance procedure
Appendix I  Catastrophic damage and destructive process induced in optical fibre cord by high-power pump light
     I.1 Introduction
     I.2 Experiments exposing optical fibre cords to high-power
     I.3 Destructive process
     I.4 Conclusion
Appendix II  Ignition induced by a high-power light input at a butt-joint splice with refractive index matching material
     II.1 Introduction
     II.2 Experiments on high-power light at a butt-joint splice
     II.3 Observation of ignition caused by high-power light input
     II.4 Conclusion
Bibliography