1
Scope
2
References
3
Terms and definitions
4
Abbreviations
5
Maintenance techniques with ISM
5.1 Relationship with Recommendation M.20
5.2 Fault localization information
5.2.1 Performance information
5.2.2 Performance level information
5.2.3 Performance primitives information
5.2.4 Supplementary information
5.3 Performance filtering, thresholding, reporting and historical
storage
5.3.1 Events
5.3.2 Transmission states
5.3.3 Threshold reports
5.3.4 Filter types used for evaluating
transmission states and threshold reports
5.3.5 Evaluation of transmission states and
threshold reports
5.3.6 Performance history storage in network
elements
5.3.7 Performance history reporting from
network elements
5.3.8 Accuracy
and resolution
5.3.9 Single-ended monitoring capability
6
Fault localization procedures on PDH transmission systems and SDH
multiplex sections
6.1 Fault localization in a pre-ISM environment
6.2 Fault localization in an ISM environment
7
Fault localization procedures on PDH and SDH paths
7.1 Fault localization in a pre-ISM environment or using OOS means
7.2 Fault localization in an ISM environment
8
Returning a maintenance entity into service
9
Trend analysis and signatures