Table of Contents

 1     Scope          
 2     References
 3     Definitions
 4     Abbreviations and acronyms             
 5     Conventions            
 6     Frequency accuracy              
        6.1     Option 1         
        6.2     Option 2         
 7     Pull-in, hold-in and pull-out ranges 
        7.1     Pull-in range 
        7.2     Hold-in range
        7.3     Pull-out range              
 8     Noise generation   
        8.1     Wander in locked mode          
        8.2     Non-locked wander  
        8.3     Jitter
 9     Noise tolerance      
        9.1     Wander tolerance      
        9.2     Jitter tolerance            
10     Noise transfer        
       10.1     Option 1        
       10.2     Option 2        
11     Transient response and holdover performance       
       11.1     Short-term phase transient response
       11.2     Long-term phase transient response (holdover)          
       11.3     Phase response to input signal interruptions 
       11.4     Phase discontinuity  
12     Interfaces
Appendix I – Hybrid network elements using STM-N and Ethernet (ETY) interfaces    
Appendix II – Relationship between requirements contained in this Recommendation and other key synchronization-related Recommendations    
Appendix III – List of Ethernet interfaces applicable to synchronous Ethernet    
Appendix IV – Considerations related to synchronous Ethernet over 1000BASE-T and 10GBASE-T    
Appendix V – Considerations for measuring noise transfer for Option 2 clocks    
Appendix VI – Considerations for testing of pull-in range    
Appendix VII – Performance estimation for cascaded media converters acting as synchronous equipment clocks    
      VII.1     Noise generation       
      VII.2     Noise tolerance          
      VII.3     Noise transfer             
      VII.4     Transient response and holdover performance