Interfaces And Modems

1. Chapter 6
Transmission of
Digital Data
Interfaces and Modems
• Digital Data Transmission
• DTE-DCE Interface
• Other Interface Standards
• Modems
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2. Figure 6-1
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3. Parallel Transmission
Figure 6-2
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4. Serial Transmission
Figure 6-3
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5. Asynchronous Transmission
Figure 6-4
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6. Synchronous Transmission
Figure 6-5
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7. DTEs and DCEs
Figure 6-6
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8. DTE-DCE interface
Figure 6-7
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9. Sending Data
Figure 6-8
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10. Control
Figure 6-9
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11. EIA-232
Figure 6-10
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12. Data Pins
Figure 6-10-continued
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13. Control PinsFigure 6-10-continued
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14. Timing Pins
Figure 6-10-continued
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15. Other Pins
Figure 6-10-continued
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16. Figure 6-11
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Synchronous Full-Duplex Transmission

17. Figure 6-11-continued
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Synchronous Full-Duplex Transmission

18. Figure 6-12
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Pin Connection With and Without DCEs

19. Figure 6-12-continued
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Pin Connection With and Without DCEs

20. Figure 6-13
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Null Modem