 | | [M.2120] Recommendation M.2120 (04/97) - PDH path, section and transmission system and SDH path and multiplex section fault detection and localization procedures
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| | Table of Contents | ITU-T Rec. M.2120 (04/97) PDH PATH, SECTION AND TRANSMISSION SYSTEM AND SDH PATH AND MULTIPLEX SECTION FAULT DETEC
Summary
Source
Keywords
CONTENTS
PDH PATH, SECTION AND TRANSMISSION SYSTEM AND SDH PATH AND MULTIPLEX SECTION FAULT DETECTION AND LOCALIZATION PROCEDURES
1 General
1.1 Scope
1.2 References
1.3 Abbreviations
2 Maintenance techniques with ISM
2.1 Relationship with Recommendation M.20
2.2 Fault localization information
2.3 Performance filtering, thresholding, reporting and historical storage
3 Fault localization procedures on PDH transmission systems and SDH multiplex sections
3.1 Fault localization in a pre-ISM environment
3.2 Fault localization in an ISM environment
4 Fault localization procedures on PDH and SDH paths
4.1 Fault localization in a pre-ISM environment or using OOS means
4.2 Fault localization in an ISM environment
5 Returning a maintenance entity into service
6 Trend analysis and signatures
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