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 
Annex A – Reference source selection mechanism     
        A.1     Requirements        
        A.2     Inputs    
        A.3     Internal oscillator   
        A.4     Internal physical timing flows – Frequency ETY     
        A.5     Selection mechanism         
        A.6     Synchronization status message selection   
        A.7     Hybrid equipment selection function           
Appendix I – Network applications and requirements for clocks specified in ITU‑T G.8262/Y.1362     
Appendix II – Relationship between requirements contained in this Recommendation and other key synchronization related Recommendations