Question

Why is it costly to extract a DS0 signal from a DS3 signal on a T3 carrier? 

   Why is it costly to extract a DS0 signal from a DS3 signal on a T3 carrier?
Understanding Data Communications: From Fundamentals to Networking
Understanding Data Communications: From Fundamentals to Networking
Gilbert Held 3rd Edition
Chapter 19, Problem 9 ↓

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Step 1

A DS0 is the basic digital signal rate of 64 Kbps, which represents one voice channel. A DS3 signal (on a T3 carrier) operates at 44.736 Mbps and carries 672 DS0 channels. Step 2: Examine the multiplexing structure. The hierarchy is organized as: - 24 DS0s are  Show more…

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Why is it costly to extract a DS0 signal from a DS3 signal on a T3 carrier?
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