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Work item:
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G.709/Y.1331 (2020) Amd. 2
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Subject/title:
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Interfaces for the optical transport network - Amendment 2
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Status:
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Approved on 2022-02-13
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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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none
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Supporting members:
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Huawei, CICT, China Mobile, China Telecom, China Unicom, CAICT, Microchip, ZTE
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Summary:
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Recommendation ITU-T G.709/Y.1331 defines the requirements for the optical transport network (OTN) interface signals of the optical transport network, in terms of:
– OTN hierarchy
– functionality of the overhead in support of multi-wavelength optical networks
– frame structures
– bit rates
– formats for mapping client signals.
Edition 6.3 of this Recommendation adds specifications for OTUk, k=0, references to specific bit patterns that may appear in Status and Payload Type overhead fields during the presence of the FlexO Squelch text pattern [ITU-T G.709.1], a clarification of the ODU Locked maintenance signal and an enhancement of the introductory text in annex L.
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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:
2021-05-27 16:46:47
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Last update:
2022-03-23 09:05:15
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