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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
888© 2004, Cisco Systems, Inc. All rights reserved.
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
131313© 2004, Cisco Systems, Inc. All rights reserved.
Noise in Time and Frequency
141414© 2004, Cisco Systems, Inc. All rights reserved.
Bandwidth
151515© 2004, Cisco Systems, Inc. All rights reserved.
Signaling over Copper and Fiber
161616© 2004, Cisco Systems, Inc. All rights reserved.
Signaling over Copper and Fiber
171717© 2004, Cisco Systems, Inc. All rights reserved.
Signaling over Copper and Fiber
181818© 2004, Cisco Systems, Inc. All rights reserved.
Signaling over Copper and Fiber
191919© 2004, Cisco Systems, Inc. All rights reserved.
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)
222222© 2004, Cisco Systems, Inc. All rights reserved.
Types of Crosstalk
Far-end crosstalk (FEXT)
232323© 2004, Cisco Systems, Inc. All rights reserved.
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
303030© 2004, Cisco Systems, Inc. All rights reserved.
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