�1����
Scope
�2���� References
�3���� Terms and definitions
�4���� Abbreviations
�5���� Recovery mechanisms for
international multiplex sections
������� 5.1���� Multiplex section protection
����������������� 5.1.1���� Automatic switching to alternative MS
����������������� 5.1.2���� Forced switching to alternative MS
����������������� 5.1.3���� Switching time (automatic switching)
����������������� 5.1.4���� Criteria for automatic return to normal in the case of automatic
protection (revertive)
������� 5.2���� Multiplex section restoration
�6���� Recovery mechanisms for
international connections in the SDH VC trail layer
������� 6.1���� Subnetwork connection recovery
mechanisms
����������������� 6.1.1���� Automatic protection for subnetwork connections
����������������� 6.1.2���� Manual protection for subnetwork connections
����������������� 6.1.3���� Subnetwork connection recovery times
������� 6.2���� VC trail recovery mechanisms
����������������� 6.2.1���� VC trail protection
����������������� 6.2.2���� VC trail restoration
����������������� 6.2.3���� VC trail recovery times
������� 6.3���� VC trail restoration during
maintenance activities
������� 6.4���� VC trail restoration exercises
������� 6.5���� High priority and pre-emptible VC
trails
Appendix I -
Bibliography
Appendix II - Manual
restoration using Digital Cross-Connect Equipment