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Figure 5 shows various types of multiplexing hierarchy. 40 GB OC-768 (i) (ii) (iii) X4 10 GB OC-192 X4 2.5 GB OC-48 622 MB
Figure 5 shows various types of multiplexing hierarchy. 40 GB OC-768 (i) (ii) (iii) X4 10 GB OC-192 X4 2.5 GB OC-48 622 MB OC-12 155 MB OC-3 52 MB OC-1 X4 STS-12 X4 STS-3 STS-1 SPE-3 X3 SPE E4 DS-3 X7 VT Group VT=Virtual tributary SPE= Synchronous payload envelope STS = Synchronous transport system OC = Optical carrier Figure 5 VT-6 DS-2 VT-2 E1 VT-1.5 DS-1 What type of data rate is shown in the figure, for example 622 MB for OC -12? What is the equivalent PDH (T1 and E1) capacity for STS -12? How can 4DS-3 frame be mapped into VT groups?
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i The data rate shown in the figure for OC12 Optical Carrier 12 is 622 MB m...
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University Physics with Modern Physics
Authors: Hugh D. Young, Roger A. Freedman, Lewis Ford
12th Edition
978-0321501479, 9780805321876, 321501470, 978-0321501219
