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Work item:
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G.807 Amd. 1
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Subject/title:
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Generic functional architecture of the optical media layer - Amendment 1
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Status:
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Consented on 2026-07-10
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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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2026-07 (Medium priority)
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Liaison:
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-
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Supporting members:
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-
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Summary:
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Recommendation ITU-T G.807 describes the generic functional architecture of the optical media layer, that supports the propagation of signals within a transport network. This description is independent of the client characteristic information (CI) carried by a signal in the media network.
Revision 2 updates the terminology, changing the modulator/demodulator construct to transmitter/receiver. It also aligns (esp. network media channel (NMC)) with the updated terminology in ITU-T G.959.1 (2024) Amd. 1 to include subcarrier modulation and point-to-multipoint optical topology in media architecture. Additionally, clause 10 is reorganized and includes a description of optical tributary signal (OTSi), which carries multiple independent digital clients using synchronization message channel (SCM).
Amendment 1 adds the optical media support for free space and distributed fibre optic sensing. New media constructs optical lens, optical circulator and OPM-dfos are added.
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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:
2026-01-14 14:11:59
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Last update:
2026-07-22 17:18:12
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