CONTENTS

 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