Table of Contents - M.3370 (03/2025) - Telecommunication preventive maintenance task – Overview

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	Background
7	Overview of preventive maintenance task
8	Requirements for preventive maintenance task
	8.1	Entity identification
	8.2	Entity classification
	8.3	Triggering rule setting
	8.4	Performance monitoring
	8.5	Possible failures or faults detection
	8.6	Possible failures or faults localization
	8.7	Confirmation and allocation of resources
	8.8	Prioritization
	8.9	Work order generation
	8.10	Work order execution
	8.11	Work order execution result verification
	8.12	Triggering rule optimization (optional)
Annex A – Classification for entities of preventive maintenance task
Appendix I – Influencing factors of preventive maintenance task triggering rule setting
Appendix II – A use case example of preventive maintenance task
Bibliography