CONTENTS

 1     Scope        
 2     References             
 3     Definitions
 4     Abbreviations and acronyms           
 5     Conventions           
 6     Frequency accuracy            
        6.1     EEC-Option 1             
        6.2     EEC-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     EEC-Option 1            
       10.2     EEC-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
       12.1     External synchronization interfaces   
Appendix I – Hybrid network elements (NEs) 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