ITU-T G.8273 (Test Framework) One-Page Summary

Title: Framework for Phase and Time Clocks

Summary

• Lists the different clock specifications required for time/phase distribution

• Describes measurement of clock performance for each type of PTP clock

• Describes testing procedures for each PTP clock type

• Includes recommendations on variable temperature testing and SyncE transient testing

Status

• Current version: 2nd. Edition, March 2018, Amendment 1 (03/2020)

• Download from: http://www.itu.int/ITU-T/recommendations/rec.aspx?rec=13552

Key Contents

Time error generation in a BC:

Measurement reference points for a BC:

Measurement setup for a BC:

Measurement reference points for media converters:

Variable Temperature Testing Profile:

SyncE Transient Test Stimulus: