In Fig. 2-40, the user data rate for OC-3 is stated to be 148.608 Mbps. Show how

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In Fig. 2-40, the user data rate for OC-3 is stated to be 148.608 Mbps. Show how this number can be derived from the SONET OC-3 parameters. What will be the gross, SPE, and user data rates of an OC-3072 line?


Figure 2-40

Data rate (Mbps) SONET SDH Electrical Optical Optical Gross SPE User STS-1 OC-1 51.84 50.112 49.536 STM-1 150.336 STS-3

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Computer Networks

ISBN: 978-0132126953

5th edition

Authors: Andrew S. Tanenbaum, David J. Wetherall

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