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OTN overhead
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100G line mode: 1.WDM-side OTU4 layer: supports SM overhead processing. 2.ODUk (k=0, 1, 2, 2e, 3, 4, flex) layer: supports PM and TCM overhead processing. 3.ODUk (k=0, 1, 2, 2e, 3, 4, flex) layer: supports non-intrusive monitoring of PM and TCM overheads.
200G line mode: 1.WDM-side OTUC2 layer: supports SM overhead processing. 2.ODUC2 layer: supports PM and TCM overhead processing. 3.ODUk (k=0, 1, 2, 2e, 3, 4, flex) layer: supports PM and TCM overhead processing. 4. ODUk (k=0, 1, 2, 2e, 3, 4, flex) layer: supports non-intrusive monitoring of PM and TCM overheads.
400G line mode: 1.WDM-side OTUC2 layer: supports SM overhead processing. 2.ODUC2 layer: supports PM and TCM overhead processing. 3.ODUk (k=0, 1, 2, 2e, 3, 4, flex) layer: supports PM and TCM overhead processing. 4. ODUk (k=0, 1, 2, 2e, 3, 4, flex) layer: supports non-intrusive monitoring of PM and TCM overheads.
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