IT-320Chapter 9 WAN Technology. Objectives 1. Identify the purpose, features, and functions of the CSU/DSU, Modem, and ISDN adapters. 2. Compare and contrast.

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Presentation transcript:

IT-320Chapter 9 WAN Technology

Objectives 1. Identify the purpose, features, and functions of the CSU/DSU, Modem, and ISDN adapters. 2. Compare and contrast packet switching and circuit switching. 3. List the characteristics, requirements, and appropriate situations for ISDN connection services. 4. Identify the basic characteristics for ISDN, SONET, SDH, T1/E1, T3/E3, OCx, DSL, and Cable Modems. 5. Given a scenario, troubleshoot the serial line.

FIGURE 9-1 An Example of DTEs and DCEs. Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-2 A Virtual Circuit Depicted as a Cloud Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-3 UNI and NNI Interfaces Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-4 A PSTN Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-5 AMI Bipolar Encoding Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-6 B8ZS Encoding Used by T-1 Lines Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-7 A Multiplexer on a T-1 Line Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-8 TB1Q Used by BRI ISDN Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-9 ISDN Network Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-10 SDH/Sonet Networks Use Dual Rings to Provide Redundant Pathways Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

FIGURE 9-11 LANs connected to ISDN WAN links Patrick Regan Wide Area Networks Copyright ©2004 by Pearson Education, Inc. Upper Saddle River, New Jersey All rights reserved.

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