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Explain SONET functional layer with a neat diagram.
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written 3.0 years ago by |
Path layer |
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Line layer |
Section layer |
Photonic layer |
SONET defines 4 layers, namely photonic layer, Section layer, Line layer and Path layer. The photonic layer is the lowest and performs the physical layer activities while all other 3 layers correspond to Data link layer of OSI model. The photonic layer …