Table of Contents

 1     Scope          
 2     References
 3     Definitions
        3.1     Terms defined elsewhere       
        3.2     Terms defined in this Recommendation           
 4     Abbreviations and acronyms             
 5     Conventions 
 6     Physical layer frequency performance requirements              
 7     Performance requirements for T-BC-A and T-TSC-A
        7.1     Frequency accuracy 
        7.2     Time error noise generation  
        7.3     Noise tolerance  
        7.4     Local time reference (1PPS) to PTP and local time reference (1PPS) to 1PPS noise transfer    
        7.5     PTP output and 1PPS output transient response (short term) due to loss and restoration of local time reference (1PPS) input    
        7.6     Holdover performance  
 8     Performance requirements for T-BC-P and T-TSC-P  
        8.1     Frequency accuracy 
        8.2     Time error noise generation  
        8.3     Noise tolerance  
        8.4     Noise transfer 
        8.5     Transient response (short-term)
        8.6     Holdover performance  
 9     Interfaces 
        9.1     Phase and time interfaces 
        9.2     Frequency interfaces 
Annex A – T-TSC-A and T-BC-A functional model    
Annex B – T-TSC-P and T-BC-P functional model    
Appendix I – Consideration of slave clocks embedded in end applications    
Appendix II – Consideration of variable temperature testing    
Appendix III – Consideration of the use of a synchronous equipment clock to maintain  time holdover for partial timing support networks    
Appendix IV – Use of a synchronous equipment clock to assist a PTP time lock    
Appendix V – Synchronization interworking function P-F node limits    
Appendix VI – PTP noise tolerance testing for PTS and APTS clocks    
       VI.1     Testing set-up for PTP noise tolerance testing 
       VI.2     Statistical PDV model
       VI.3     Parameters for the PDV model             
       VI.4     Different requirements for APTS and PTS models         
       VI.5     Example delay patterns 
       VI.6     Output requirements 
Appendix VII – Analysis of conversion of network limits to equipment specification for APTS    
      VII.1     Total noise budget between network limits    
      VII.2     Holdover operation  
      VII.3     Transient operation and switching      
      VII.4     Dynamic noise accumulation for APTS              
Appendix VIII – Analysis of conversion of network limits to equipment specification for PTS    
     VIII.1     Total noise between network limit C and network limit D         
     VIII.2     Holdover operation  
     VIII.3     Transient operation and switching 
     VIII.4     Dynamic noise accumulation for PTS (constant temperature)