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Title: Timing characteristics of enhanced synchronous equipment slave clocks

Summary

• Enhanced Synchronous Equipment Clock performance specification, covering both enhanced synchronous Ethernet Equipment clocks (eEEC) and OTN Equipment Clocks (eOEC)

• Performance meets the requirements of 5G mobile cellular systems

• Specifies frequency accuracy, noise generation, noise tolerance, noise transfer, phase transients

• Operates over most Ethernet interfaces from 100Mbit/s to 100Gbit/s

Status

• Current version: 1^st  Edition, January 2019
• Download from: http://www.itu.int/ITU-T/recommendations/rec.aspx?rec=13850

Key Contents

• Frequency accuracy (free-run): 4.6 ppm
• Wander Generation (Figures 1 and 2):

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