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| An Overview of Data Communications | |
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| The Importance of Data Communications | |
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| The First Data Communications Systems | |
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| Two-State Communications Systems | |
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| Early Communications Codes | |
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| Modern Codes | |
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| Teleprinters | |
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| Data Communications in Computing | |
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| Changes in the Industries | |
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| General Description of Data Communications Systems | |
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| What You Have Learned | |
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| Quiz for Chapter 1 | |
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| Terminal Devices | |
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| Teleprinters | |
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| Teleprinters Versus CRT Terminals | |
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| Serial Printers | |
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| CRT Terminals | |
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| Parts of a Terminal | |
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| PC Terminals | |
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| Data Transmission | |
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| What You Have Learned | |
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| Quiz for Chapter 2 | |
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| Messages and Transmission Channels | |
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| Information as a Quantity | |
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| Bounded Medium | |
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| Unbounded Medium | |
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| Effects of Bandwidth on a Transmission Channel | |
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| Bandwidth Requirements for Signals | |
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| Carrier Systems | |
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| What You Have Learned | |
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| Quiz for Chapter 3 | |
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| Asynchronous Modems and Interfaces | |
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| Why Data Can't Be Transmitted Directly | |
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| Solving the Problem with Modems | |
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| Analog Modulation | |
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| V.21 Standard | |
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| Modem Features | |
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| Interface and Signaling Standards | |
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| The RS-232 and V.24 Interface | |
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| Other Interfaces | |
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| Asynchronous Modem Operations | |
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| Smart Modems | |
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| Extended Command Set Variances | |
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| Fax Modems | |
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| What You Have Learned | |
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| Quiz for Chapter 4 | |
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| Synchronous Modems, Digital Transmission, and Service Units | |
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| Synchronous Signaling and Standards | |
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| Typical Synchronous Components | |
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| Standard and Evolving Modems | |
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| High-Speed Modems | |
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| Digital Transmission | |
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| The V.35 Interface | |
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| What You Have Learned | |
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| Quiz for Chapter 5 | |
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| Multiplexing Techniques | |
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| Sharing a Channel | |
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| Statistical Time Division Multiplexing | |
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| Low-Speed Voice/Data Multiplexers | |
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| What You Have Learned | |
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| Quiz for Chapter 6 | |
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| Fiber-Optic and Satellite Communications | |
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| Introduction and Historical Perspective | |
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| Fundamentals of Fiber-Optic Systems | |
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| Fiber-Optic Subsystems and Components | |
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| Wavelength Multiplexing | |
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| Transmission Systems | |
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| Satellite Transmission Systems | |
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| What You Have Learned | |
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| Quiz for Chapter 7 | |
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| Protocols and Error Control | |
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| Protocols Versus Interfaces | |
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| Elements of a Protocol | |
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| Teletypewriter and XMODEM Protocols | |
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| Convolutional Coding--Cyclic Redundancy Checks | |
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| Half-Duplex Protocols | |
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| Full-Duplex Protocols | |
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| What You Have Learned | |
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| Quiz for Chapter 8 | |
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| Personal Computer Communications Software | |
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| Communications Program Features | |
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| Dial-Up Networking | |
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| Using ProcommPlus for Windows | |
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| What You Have Learned | |
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| Quiz for Chapter 9 | |
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| Architectures and Packet Networks | |
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| The Open Systems Interconnection Reference Model | |
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| Protocol Layering | |
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| Packet Networks | |
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| Advantages of Packet Switching | |
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| X.25 Packet Systems | |
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| Value-Added Services | |
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| The X Series of Recommended Standards | |
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| What You Have Learned | |
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| Quiz for Chapter 10 | |
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| Local Area Networks | |
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| LAN Overview | |
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| LAN Versus Other Techniques | |
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| The Ideal LAN | |
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| LAN Standards | |
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| Ethernet (CSMA/CD) | |
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| Other Ethernet Networks | |
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| Fast Ethernet | |
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| Gigabit Ethernet | |
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| Token-Passing Networks | |
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| Fiber Distributed Data Interface | |
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| Internetworking Devices | |
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| What You Have Learned | |
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| Quiz for Chapter 11 | |
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| Internet | |
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| Evolution | |
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| Application Services | |
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| Internet Access Providers | |
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| IP Addressing | |
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| TCP | |
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| UDP | |
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| Serial Communications Support | |
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| Navigating the Growing Web | |
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| Security | |
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| Added Network Protection via a Firewall | |
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| What You Have Learned | |
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| Quiz for Chapter 12 | |
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| ISDN | |
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| Concept | |
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| ISDN Architecture | |
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| ISDN Implementation Standards | |
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| Growth and Adaptation of ISDN | |
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| Pricing | |
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| Applications | |
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| What You Have Learned | |
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| Quiz for Chapter 13 | |
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| Asynchronous Transfer Mode | |
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| Evolution | |
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| The Rationale and Underlying Technology | |
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| Architecture | |
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| Advantages of the Technology | |
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| Cell Routing | |
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| The ATM Protocol Reference Model | |
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| Service Definitions | |
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| LAN Emulation | |
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| What You Have Learned | |
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| Quiz for Chapter 14 | |
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| Network Design and Management | |
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| Network Design Goals | |
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| Networking Devices | |
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| Interconnection of Networking Devices | |
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| Fault Isolation | |
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| Restoration of Service | |
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| Standards | |
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| What You Have Learned | |
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| Quiz for Chapter 15 | |
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| Glossary | |
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| Bibliography | |
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| Answers to Quizzes | |
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| Index | |