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Question 117 - H35-260 discussion
What are the possible reasons for the failure of route calculation by the optical layer path (OCh level)?
A.
The optical fiber is connected incorrectly. The wavelength of the WDM side port of the OTU board is inconsistent with the wavelength of the optical crossover.
B.
Network layer OTS path is missing
C.
The fiber attenuation between the TDC and RDC ports of the OAU board is too large
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