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Otu frame structure and overhead – EXFO FTB-8100 Series Transport Blazer for FTB-200 User Manual

Page 451

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Glossary

SONET/SDH Application

439

G.709 Optical Transport Network (OTN)

OTU Frame Structure and Overhead

As shown in the figure below, the OTU frame is broken down into the
following components:

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Framing

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OTU, ODU, OPU overhead

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OTU FEC

OTU Frame Description