Title: Timing characteristics of enhanced primary reference clocks
Summary
Enhanced Primary Reference Clock equipment specification
Provides an accurate frequency reference into the network, using either 1pps or PTP output
Status
- Current version: 1st. Edition, August 2017
- Download from: http://www.itu.int/ITU-T/recommendations/rec.aspx?rec=13301
Key Contents
Frequency Accuracy
- Fractional frequency offset: 1 part in 1012 (observation times greater than 1 week)
Wander
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