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Work item:
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G.8272/Y.1367 (2018) Amd.2
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Subject/title:
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Timing characteristics of primary reference time clocks - Amendment 2
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Status:
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Approved on 2022-11-13
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Approval process:
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AAP
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Type of work item:
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Recommendation
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Version:
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-
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Equivalent number:
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-
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Timing:
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-
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Liaison:
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IEEE 802.1, IEEE802.3, IEEE 1588, 3GPP, O-RAN
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Supporting members:
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Orange, DT, Ericsson, Microchip, Huawei
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Summary:
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Recommendation ITU-T G.8272/Y.1367 specifies the requirements for primary reference time clocks (PRTCs) suitable for time, phase and frequency synchronization in packet networks. It defines the error allowed at the time output of the PRTC.
These requirements apply under the normal environmental conditions specified for the equipment.
Amendment 2 provides the following updates:
Modification to scope.
Updates to the reference Clause 2.
Clause 6 text modified.
Added reference to IEEE 1588-2019 in Clause 6.2.
New text added under Clause 7. Holdover.
[b-1588-2009] is removed from the bibliography section.
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Comment:
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-
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Reference(s):
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Historic references:
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Contact(s):
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| ITU-T A.5 justification(s): |
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First registration in the WP:
2022-10-12 12:25:58
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Last update:
2022-12-22 08:55:27
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