Summary

Recommendation ITU-T G.8273.4/Y.1368.4 specifies minimum requirements for time and phase synchronization equipment used in synchronization networks that operates in the assisted partial timing support (APTS) and partial timing support (PTS) architectures.

Amendment 2 provides the following updates:

Changes in clause 7.3

Changes in clause 7.5

Changes in clause 8.3

Changes in clause 8.6.1

Changes in clause 9

Add a note in Annex B

Changes in Appendix VI

Adds Appendices VII and VIII