Table of Contents - G Suppl. 68 (10/2025) - Synchronization operations, administration and maintenance requirements

1	Scope
2	References
3	Definitions
	3.1	Terms defined elsewhere
	3.2	Terms defined in this Supplement
4	Abbreviations and acronyms
5	Conventions
6	Synchronization OAM functional diagram
	6.1	Frequency synchronization OAM
	6.2	Time synchronization OAM
	6.3	Frequency sync OAM and time sync OAM interactive mechanism
7	Frequency synchronization over the physical layer
	7.1	Fault management
	7.2	Performance monitoring
	7.3	Alarms and events
8	Frequency synchronization via packets
	8.1	Fault management
	8.2	Performance monitoring
	8.3	Alarms and events
9	Time synchronization
	9.1	Fault management
	9.2	Performance monitoring
	9.3	Alarms and events
Appendix I – Oscillator and frequency monitoring within a multicard chassis system