October 2018
Intermediate to advanced
555 pages
17h 33m
English
Content preview from Principles of Synchronous Digital Hierarchy
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488 Principles of Synchronous Digital Hierarchy
16.2.7 Optical Transport Module
OCG is added with an overhead called OTM overhead signal (OOS) to form
the OTM, the transport module that is transmitted across the network.
16.2.8 Optical Multiplex Section
Optical multiplex section (OMS) is similar to the multiplex section of SDH,
where adding or dropping of optical tributaries is carried out. The part of
OTH hierarchy containing “OCC and OCG” as described above belongs
to the multiplex section or multiplex section layer, when the optical link
between two or more nodes is established.
16.2.9 Optical Transmission Section
The last ...
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