Chapter 6 Transmission of Digital Data Interfaces and Modems

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Chapter 6Transmission of Digital Data
Interfaces and Modems

• Digital Data Transmission
• DTE-DCE Interface
• Other Interface Standards
• Modems

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Figure 6-1
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Figure 6-2
Parallel Transmission
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Figure 6-3
Serial Transmission
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Figure 6-4
Asynchronous Transmission
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Figure 6-5
Synchronous Transmission
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Figure 6-6
DTEs and DCEs
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Figure 6-7
DTE-DCE interface
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Figure 6-8
Sending Data
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Figure 6-9
Control
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Figure 6-10
EIA-232
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Figure 6-10-continued
Data Pins
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Control Pins
Figure 6-10-continued
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Figure 6-10-continued
Timing Pins
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Figure 6-10-continued
Other Pins
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Figure 6-11
Synchronous Full-Duplex Transmission
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Figure 6-11-continued
Synchronous Full-Duplex Transmission
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Figure 6-12
Pin Connection With and Without DCEs
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Figure 6-12-continued
Pin Connection With and Without DCEs
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Figure 6-13
Null Modem
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Figure 6-14
DB-37 and DB-9 Connectors
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Figure 6-15
RS-423 Unbalanced Mode
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Figure 6-16
RS-422 Balanced Mode
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Figure 6-17
Canceling Noise
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Figure 6-18
DB-15 Connector
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Figure 6-19
Modem
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Figure 6-20
Bandwidth for Telephone Line
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Figure 6-21
Baud Rate for Half-Duplex ASK
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Figure 6-22
Baud Rate for Full-Duplex ASK
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Figure 6-23
Baud Rate for Half-Duplex FSK
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Figure 6-24
Baud Rate for Full-Duplex FSK
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Figure 6-25
Bell Modems
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Figure 6-25-continued
Bell Modems
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Figure 6-26
ITU Modems
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Figure 6-26-continued
ITU Modems
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Figure 6-27
V.22bis 16-QAM Constellation
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Figure 6-28
V.32 Constellation
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V.33 Constellation
Figure 6-29
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