| 本书为国外高校电子信息类优秀教材(英文影印版)之一。本书可作为通信专业的本科生教材，也可供相关专业技术人员参考。 |
| Preface 1 Introduction to Data and Network Communications 1.1Introduction 1.2Data Communication System 1.3Data Communication Links 1.4Character Codes 1.5Digital Data Rates 1.6Serial Data Formats 1.7Encoded Data Formats Summary Questions Design Problems Answers to Review Questions 2 The Telephone System 2.1Introduction 2.2The Telephone System 2.3Specifications and Parameters 2.4Line Impairments Summary Questions Design Problems Answers to Review Questions 3 Error Detection and Correction 3.1Introduction 3.2Asynchronous Data Methods 3.3Synchronous Data Error Methods 3.4Error-Testing Equipment Summary Questions Design Problems Answers to Review Questions 4 Open Systems Network Models 4.1Introduciton 4.2Data Topologies 4.3Data Switching 4.4Types of Networks 4.5The Open Systems Inteconnection(OSI) Architecture 4.6Systems Network Architecture(SNA) 4.7SNA Operating Sessions Summary Questions Design Problems Answers to Review Questions 5 OSI Physical Layer Components 5.1Introduction 5.2Units of a Communication Link 5.3RS232C Interface 5.4RS449 Interface Standard 5.5RS422 and RS423 Interface Standards 5.6FSK Modems 5.7Additional Types of Modems 5.8.34 and V.90 Modems Summary Questions Design Assignments Answers to Review Questions 6 Higher Capacity Data Communications 6.1Introduction 6.2Multiplexing Methods 6.3Sampling Theorem 6.4Quantization 6.5Pulse Code Modulation 6.6Delta Modulation 6.7Digital T Carriers 6.8Companding 6.9CODECs Summary Questions Design Problems Answers to Review Questions 7 Data-Link Layer Protocols 7.1Introduction 7.2Data-Link Sections 7.3Character-Oriented Protocols 7.4Bit-Oriented Protocols 7.5Protocol Analyzers Summary Questions Answers to Review Questions 8 Network Architecture and Protocols 8.1Introduction 8.2Networks by Size 8.3IEEE 802.3 and Ethernet 8.4IEEE 802.4 Token Bus 8.5IEEE 802.5 Token Ring 8.6Network Interface Cards 8.7Interconnecting LANs 8.8IEEE 802.6 Metropolitan Area Network(MAN) 8.9X.25 Packet Switch Protocol Summary Questions Design Assignments Answers to Review Questions 9 Integrated Services and Routing Protocols 9.1Introduction 9.2Integrating Services 9.3Broadband ISDN 9.4IEEE 802.9:Integrated Voice and Data Services 9.5Digital Subscriber Line(DSL) 9.6Private Branch Exchange 9.7Asynchronous Transfer Mode(ATM) 9.8Frame Relay Summary Questions Design Assignments Answers to Review Questions 10 The Internet and TCP/IP 10.1Introduction 10.2Internet History 10.3Uses for the Internet 10.4Accessing the Internet 10.5Internet Addresses 10.6Security on the Internet 10.7Authentication 10.8Firewalls 10.9Intranets and Extranets 10.10TCP/IP,the Technology behind the Internet Summary Questions Design Assignments Answers to Review Questions 11 Fiber Optic Communications 11.1Introduction 11.2Basic Concepts of Light Propagation 11.3Fiber Cables 11.4Light Sources 11.5Optical Detectors 11.6Fiber-Cable Losses 11.7Wave Division Multiplexing 11.8Fiber Distributed Data Interface 11.9FDDI-II:Isochronous Traffic 11.10The Fibre Channel 11.11SONET Summary Questions Design Assignments Answers to Review Questions 12 Wireless Communication Systems 12.1Introdction 12.2Microwave Communications 12.3Celluar Mobile Telephone Service 12.4Personal Communications Systems 12.5IEEE 802.11: Wireless LANs Using CSMA/CA 12.6Cellular Digital Packet Network 12.7Satellite Communications 12.8Methods of Satellite Communications 12.9Satellite Networking Summary Questions Design Assignments Answers to Review Questions Appendix A-Acronyms and Key Terms Appendix B-Complete Extended ASCII Code Set Appendix C-Network Timeline Appendix D-Facsimile Appendix E-Answer Key to Odd-Numbered Questions Index |
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