1 Scope
2
References
3
Definitions
4
Abbreviations
5
Frequency accuracy
6
Pull-in, hold-in, and pull-out ranges
6.1 Pull-in range
6.2 Hold-in range
6.3 Pull-out range
7
Noise generation
7.1 Wander in locked mode
7.2 Non-locked Wander
7.3 Jitter
8
Noise Tolerance
8.1 Wander Tolerance
8.2 Jitter Tolerance
9
Noise Transfer
10 Transient response and holdover performance
10.1 Short-term phase transient response
10.2 Long-term Phase Transient Response (Holdover)
10.3 Phase response to input signal interruptions
10.4 Phase discontinuity
11 Interfaces
Appendix I – Guidance on the relationship between network
limits and input noise tolerances
I.1 Option 1 network limits
I.2 Option 2 network limits
Appendix II – Considerations on bandwidth requirements, noise accumulation, and
payload wander accumulation
II.1 Introduction
II.2 Relevant network requirements and assumptions for option 1
II.2.1 G.825 STM-N jitter acceptance
II.2.2 Wander accumulation in a synchronization
distribution chain
II.2.3 Phase transients due to automatic timing
restoration
II.2.4 Conclusion
II.3 Relevant network requirements and assumptions for option 2
II.3.1 Clock bandwidth requirements
II.3.2
Network limit TDEV mask
II.3.3 Wander accumulation in a synchronization
distribution chain1