1 Scope
2
References
3
Terminology and definitions
4
Abbreviations
5
Performance limits and objectives
6
Maintenance records
7
Fault reporting procedures
7.1 Control and sub-control status
7.2 Fault
information exchange
8
Fault localization
9
Maintenance tests
9.1 General
9.2 Maintenance intervention tests
9.3 Returning to service tests
9.4 Loopback tests
9.5 Test access at Digital Cross-Connect (DXC) equipment
10 In-service monitoring
11 Temporary service restoration
11.1 Mechanisms for implementing temporary service restoration
11.2 Time to restore service
11.3 Restoration procedure
11.4 Returning to normal routing
11.5 Information that should be exchanged
12 Automatic rerouting of
international data transmission links
13 Precautions to be taken in the
use of DXCs
14 Planned maintenance