Summary

Recommendation ITU-T G.8266/Y.1376 specifies the requirements for packet master clocks suitable for frequency synchronization in packet networks.

Amendment 1 provides the following updates:

–           Changes the scope to include the grandmaster (GM) with embedded primary reference time clock (PRTC);

–           Changes clause 8.1 to account for the GM with embedded PRTC;

–           Replaces text and provides additional material to Appendix I.