Transmission Media in Data Communication DC13

Chapter 7

Transmission Media

• Guided Media

• Unguided Media

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Electromagnetic Spectrum

Figure 7-1

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Figure 7-2

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Figure 7-3

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Twisted-Pair CableFigure 7-4 and 7-5

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Effect of Noise on Parallel LinesFigure 7-6

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Noise on Twisted-Pair LinesFigure 7-7

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Unshielded Twisted-Pair Cable

Figure 7-8

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UTP ConnectorsFigure 7-9

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Shielded Twisted-Pair Cable

Figure 7-10

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Coaxial CableFigure 7-11 and 7-12

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Refraction

Figure 7-13

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Critical Angle

Figure 7-14

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Reflection

Figure 7-15

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Figure 7-16

WCB/McGraw-Hill The McGraw-Hill Companies, Inc., 1998

Multimode Step-Index

Figure 7-17

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Multimode Graded-Index

Figure 7-18

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Single Mode

Figure 7-19

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Fiber Construction

Figure 7-20

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