CCNA 1 Chapter 4 Cable Testing and Cabling LANs and WANs

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1© 2004, Cisco Systems, Inc. All rights reserved.

CCNA 1 v3.1 Module 4Cable Testing

222© 2004, Cisco Systems, Inc. All rights reserved.

Purpose of This PowerPoint

• This PowerPoint primarily consists of the Target Indicators (TIs) of this module in CCNA version 3.1.

• It was created to give instructors a PowerPoint to take and modify as their own.

• This PowerPoint is:NOT a study guide for the module final assessment.NOT a study guide for the CCNA certification exam.

• Please report any mistakes you find in this PowerPoint by using the Academy Connection Help link.

333© 2004, Cisco Systems, Inc. All rights reserved.

To Locate Instructional Resource Materials on Academy Connection:

• Go to the Community FTP Center to locate materials created by the instructor community

• Go to the Tools section• Go to the Alpha Preview section• Go to the Community link under Resources• See the resources available on the Class home page for

classes you are offering• Search http://www.cisco.com • Contact your parent academy!

444© 2004, Cisco Systems, Inc. All rights reserved.

Objectives

555© 2004, Cisco Systems, Inc. All rights reserved.

Waves

666© 2004, Cisco Systems, Inc. All rights reserved.

Sine Waves and Square Waves

777© 2004, Cisco Systems, Inc. All rights reserved.

Sine Waves and Square Waves

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Exponents and Logarithms

999© 2004, Cisco Systems, Inc. All rights reserved.

Decibels

101010© 2004, Cisco Systems, Inc. All rights reserved.

Viewing Signals in Time and Frequency

111111© 2004, Cisco Systems, Inc. All rights reserved.

Viewing Signals in Time and Frequency

121212© 2004, Cisco Systems, Inc. All rights reserved.

Analog and Digital Signals in Time and Frequency

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Noise in Time and Frequency

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Bandwidth

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Signaling over Copper and Fiber

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Signaling over Copper and Fiber

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Signaling over Copper and Fiber

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Signaling over Copper and Fiber

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Attenuation and Insertion Loss on Copper Media

202020© 2004, Cisco Systems, Inc. All rights reserved.

Sources of Noise on Copper Media

212121© 2004, Cisco Systems, Inc. All rights reserved.

Types of Crosstalk

Near-end crosstalk (NEXT)

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Types of Crosstalk

Far-end crosstalk (FEXT)

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Types of Crosstalk

Power sum near-end crosstalk (PSNEXT)

242424© 2004, Cisco Systems, Inc. All rights reserved.

Cable Testing Standards

252525© 2004, Cisco Systems, Inc. All rights reserved.

Cable Testing Standards

262626© 2004, Cisco Systems, Inc. All rights reserved.

Cable Testing Standards

272727© 2004, Cisco Systems, Inc. All rights reserved.

Crosstalk

282828© 2004, Cisco Systems, Inc. All rights reserved.

Time-based Parameters

292929© 2004, Cisco Systems, Inc. All rights reserved.

Testing Optical Fiber

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Testing Optical Fiber

313131© 2004, Cisco Systems, Inc. All rights reserved.

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.

323232© 2004, Cisco Systems, Inc. All rights reserved.

Summary