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