The document discusses time-division multiplexing (TDM) and contains diagrams of synchronous and asynchronous TDM, how data is multiplexed and demultiplexed, framing bits, data rates, and frames and addresses. It includes figures showing multiplexing with different numbers of lines sending data and diagrams on multiplexing and inverse multiplexing.

1. TDM
Figure 8-8
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2. Synchronous TDM
Figure 8-9
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3. Figure 8-10
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TDM, Multiplexing

4. Figure 8-11
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TDM, Demultiplexing

5. Framing Bits
Figure 8-12
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6. Data Rate
Figure 8-13
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7. Asynchronous TDM
Figure 8-14
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8. Frames and Addresses
Figure 8-15
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a. Only three lines sending data

9. Frames and Addresses
Figure 8-15-continued
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b. Only four lines sending data

10. Frames and Addresses
Figure 8-15-continued
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c. All five lines sending data

11. Figure 8-16
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Multiplexing and Inverse Multiplexing