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Optical Fiber Telecommunications VB, 5th Edition
book

Optical Fiber Telecommunications VB, 5th Edition

by Ivan Kaminow, Tingye Li, Alan E. Willner
July 2010
Intermediate to advanced content levelIntermediate to advanced
928 pages
33h 42m
English
Academic Press
Content preview from Optical Fiber Telecommunications VB, 5th Edition
7.2.5 Optical Supervisory Channel
In some optical networks, a separate wavelength may be allocated to carry
management and control inform ation. Unlike the service-bearing data channels
which might travel transparently through a node, an optical supervisory channel
(OSC) might be electro-optically terminated, processed, and regenerated at each
adjacent node [11–13]. Figure 7.8 shows an example of a wavelength-selective
crossconnect (XC) and the processing of an OSC [11]. Since the OSC wavelength
may not fall within the amplifier gain bandwidth, OSC signals might be demulti-
plexed and detected without propagation through an optical amplifier. After ...
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Publisher Resources

ISBN: 9780123741721