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Understanding Cable Testing: Sine and Square Waves, Crosstalk, and Fiber Standards

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This module focuses on essential concepts in cable testing, including sine and square waves, decibels, and noise in time and frequency. It covers analog and digital signals, bandwidth, and the implications of attenuation and insertion loss for copper and fiber media. Key aspects of crosstalk, including near-end and far-end crosstalk, are discussed. Standards for cable testing, particularly the TIA-568 and the introduction of Category 6 cables, are highlighted, emphasizing the importance of quality testing tools like the Fluke DSP-LIA013.

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Understanding Cable Testing: Sine and Square Waves, Crosstalk, and Fiber Standards

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Presentation Transcript

  1. CCNA 1 v3.1 Module 4Cable Testing

  2. Objectives

  3. Waves

  4. Sine Waves and Square Waves

  5. Sine Waves and Square Waves

  6. Exponents and Logarithms

  7. Decibels

  8. Viewing Signals in Time and Frequency

  9. Viewing Signals in Time and Frequency

  10. Analog and Digital Signals in Time and Frequency

  11. Noise in Time and Frequency

  12. Bandwidth

  13. Signaling over Copper and Fiber

  14. Signaling over Copper and Fiber

  15. Signaling over Copper and Fiber

  16. Signaling over Copper and Fiber

  17. Attenuation and Insertion Loss on Copper Media

  18. Sources of Noise on Copper Media

  19. Types of Crosstalk Near-end crosstalk (NEXT)

  20. Types of Crosstalk Far-end crosstalk (FEXT)

  21. Types of Crosstalk • Power sum near-end crosstalk (PSNEXT)

  22. Cable Testing Standards

  23. Cable Testing Standards

  24. Cable Testing Standards

  25. Crosstalk

  26. Time-based Parameters

  27. Testing Optical Fiber

  28. Testing Optical Fiber

  29. New Standard • On June 20, 2002, the Category 6 (or Cat 6) addition to the TIA-568 standard was published. • This new standard specifies the original set of performance parameters that need to be tested for Ethernet cabling as well as the passing scores for each of these tests. • A quality cable tester is the Fluke DSP-LIA013 Channel/Traffic Adapter for Cat5e.

  30. Summary

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