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)�
Bibliography����