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Summary
Summary
Most textbooks on this subject focus heavily on the mathematical perspective of communication. Today's managers do not need to know how to figure out the quantization process of an analog sample, they simply need to understand how the theory works-in plain English. Introduction to Communications Technologies: A Guide for Non-Engineers is a quick-read tutorial on telecommunications and network technologies for graduate and undergraduate students in management information systems and telecommunications management courses.
While dealing with the engineering aspects of communication, the book provides a basic understanding of how things work, not how to design systems. Topics include systems, electricity, signaling, telephony, switching, wireless, CTI, and video. It also explains the important relationship between the two major languages spoken in the industry, voice and data, something not done in other texts. The material covered is the same as that presented in a graduate-level core technical course at one of the most respected Information and Communication Services programs in the country.
Students will not need a technical background in order to gain the valuable knowledge that lies within these pages. Designed to provide students with a foundation of knowledge that will serve them well into their careers, Introduction to Communications Technologies: A Guide for Non-Engineers provides students with the tools necessary to become effective leaders of technology professionals.
Author Notes
Stephan Jones, Ph.D. is the director of the Institute for Wireless Innovation at Ball State University
Ron Kovac, Ph.D. is a professor at Ball State University.
Reviews 1
Choice Review
Jones and Kovac (both, Ball State Univ., Indiana) provide an introductory, nontechnical tutorial on a wide spectrum of topics related broadly to the field of telecommunications. Though chapters are primarily related to voice and data, one covers video. The book describes concepts, theory, technologies, and this field's jargon and its numerous acronyms in an easy-to-read style without using mathematics. The book is intended for individuals who need a basic understanding of the field to better interact with or manage technical staff. The initial chapters present the classical communication and computing models, fundamentals of electricity, modulation and multiplexing, and signal formats and transmission methods. Subsequent chapters focus on various architectures and specific technologies for wired and wireless voice, data, and video systems. Numerous illustrations throughout facilitate an understanding of the topics presented. Each chapter begins with an overview of what it contains and why it is relevant, and ends with a summary of what was covered, followed by a sizeable set of review questions. Answer key in an appendix; extensive glossary; detailed index. ^BSumming Up: Recommended. General readers; upper-division undergraduate and graduate students. E. M. Aupperle emeritus, University of Michigan
Table of Contents
1 Systems and Models of Communications Technologies: Shannon-Weaver, von Neumann, and the OSI Model | p. 1 |
Computing Model | p. 3 |
Open System Interconnect (OSI) Model | p. 5 |
Summary | p. 9 |
Questions for Review | p. 9 |
Multiple Choice | p. 9 |
Matching Questions | p. 11 |
Short Essay Questions | p. 11 |
2 Basic Concepts of Electricity | p. 13 |
Common Units of Technical Measurement | p. 13 |
Signals | p. 14 |
Current | p. 17 |
Resistance | p. 18 |
Voltage | p. 19 |
Capacitance | p. 20 |
Inductance | p. 20 |
Power | p. 22 |
AC to DC Conversion | p. 22 |
Summary | p. 25 |
Questions for Review | p. 26 |
Multiple Choice | p. 26 |
Matching Questions | p. 27 |
Short Essay Questions | p. 29 |
3 Modulation and Multiplexing | p. 31 |
Spectrum | p. 31 |
Amplitude Modulation | p. 33 |
Frequency Modulation | p. 36 |
Questions For Review | p. 37 |
Multiple Choice | p. 37 |
Matching Questions | p. 38 |
Short Essay Questions | p. 39 |
4 Signaling Formats, Multiplexing, and Digital Transmissions | p. 41 |
Digital Formats | p. 41 |
Multiplexing | p. 45 |
Frequency Division Multiplexing | p. 45 |
Time Division Multiplexing | p. 45 |
Digital Circuits | p. 46 |
Questions for Review | p. 46 |
Multiple Choice | p. 46 |
Matching Questions | p. 48 |
Short Essay Questions | p. 48 |
5 PSTN to CPE | p. 49 |
PSTN | p. 49 |
The Telephone | p. 50 |
Network Access | p. 52 |
Trunks and Lines | p. 55 |
Loop Start | p. 55 |
Ground Start | p. 55 |
Direct Inward Dial (DID) Trunks | p. 56 |
E&M Trunks | p. 56 |
Centrex | p. 56 |
Customer Premise Equipment (CPE) | p. 57 |
Private Automatic Branch Exchanges (PABX) | p. 57 |
Digital Key Systems and Hybrids | p. 60 |
Voice Processing | p. 61 |
Summary | p. 61 |
Questions for Review | p. 62 |
Multiple Choice | p. 62 |
Matching Questions | p. 63 |
Short Essay Questions | p. 64 |
6 Circuit Switching, ISDN, ATM, and SS7 | p. 65 |
Circuit Switching | p. 65 |
System Signaling Seven (SS7) | p. 67 |
Integrated Services Digital Network (ISDN) | p. 69 |
ISDN Configurations | p. 70 |
ISDN Network Interface Configurations | p. 71 |
Asynchronous Transfer Mode (ATM) | p. 72 |
ATM Architecture | p. 72 |
ATM Cell Structure | p. 73 |
ATM Structure Defined | p. 73 |
Summary | p. 75 |
Questions For Review | p. 76 |
Multiple Choice | p. 76 |
Matching Questions | p. 79 |
Short Essay Questions | p. 79 |
7 Wireless Technologies: AMPS, GSM, TDMA, CDMA, Satellites, and Microwave Systems | p. 81 |
Advanced Mobile Phone Service (AMPS) | p. 81 |
Multiple Access Technologies | p. 82 |
Mobile Switching | p. 85 |
Antennas | p. 87 |
Smart Antennas | p. 89 |
Microwave Signals | p. 90 |
Engineering Issues for Microwave Signaling | p. 92 |
Summary | p. 95 |
Questions for Review | p. 96 |
Multiple Choice | p. 96 |
Matching Questions | p. 97 |
Short Essay Questions | p. 99 |
8 Packet Switching and Local Area Network Technology | p. 101 |
The Business and Human Factors | p. 102 |
The Costs of a LAN | p. 102 |
Initial Costs | p. 103 |
Ongoing Costs | p. 103 |
Personnel | p. 104 |
Equipment Maintenance, Upgrades, and Repairs | p. 104 |
Moves, Adds, and Changes (MACs) | p. 105 |
Outside Links | p. 105 |
Software Licensing | p. 105 |
The Technical Factors | p. 105 |
The Working Parts of a LAN | p. 105 |
End-User Devices | p. 106 |
Physical Media | p. 106 |
Networking Equipment | p. 107 |
Hubs | p. 108 |
Switches | p. 109 |
Routers | p. 109 |
Network Interface Cards (NICs) | p. 111 |
Network Operating Systems (NOSs) | p. 112 |
Common LAN Flavors | p. 112 |
Ethernet (802.3) | p. 112 |
Token Ring (802.5) | p. 114 |
AppleTalk | p. 115 |
The Regulatory and Legal Factors | p. 115 |
The Use and Function of Standards | p. 115 |
The Process of Standardization | p. 116 |
Standard-Making Bodies | p. 116 |
The Legal Aspects | p. 117 |
Summary | p. 117 |
Questions for Review | p. 118 |
True/False | p. 118 |
Multiple Choice | p. 119 |
Short Essay Questions | p. 120 |
9 The Language of the Internet: TCP/IP | p. 121 |
The Business and Human Factors | p. 121 |
The Technical Factors | p. 123 |
Message Casting | p. 123 |
Unicasting | p. 123 |
Multicasting | p. 123 |
Broadcasting | p. 124 |
Message Addressing | p. 125 |
Network Routing | p. 126 |
Centralized Routing | p. 126 |
Decentralized Routing | p. 128 |
The Language of the Network: Routed Protocols | p. 129 |
TCP/IP | p. 130 |
IPX/SPX | p. 131 |
SNA | p. 132 |
SNA Access Programs | p. 134 |
IPv6 | p. 134 |
The Regulatory and Legal Factors | p. 135 |
Summary | p. 136 |
Questions for Review | p. 137 |
True/False | p. 137 |
Multiple Choice | p. 137 |
Short Essay Questions | p. 139 |
10 New and Emerging Technologies | p. 141 |
The Business and Human Factors | p. 141 |
The Technical Factors | p. 143 |
Wide Area Networks | p. 143 |
Virtual Private Networks | p. 144 |
Fast Ethernet, Giga Ethernet, and the Future of Speed | p. 146 |
VLANs | p. 147 |
Layer 1 Port-Based VLANs | p. 148 |
Layer 2 MAC-Based VLANs | p. 148 |
Layer 3 Protocol-Based VLANs | p. 149 |
Quality of Service (QoS) | p. 149 |
Network Security | p. 152 |
Authentication | p. 153 |
Encryption | p. 153 |
Accounting | p. 155 |
The Regulatory and Legal Factors | p. 155 |
Summary | p. 156 |
Questions for Review | p. 156 |
True/False | p. 156 |
Multiple Choice | p. 157 |
Short Essay Questions | p. 159 |
11 The Wonder World of Wireless | p. 161 |
The Business and Human Factors | p. 161 |
The Technical Factors | p. 162 |
The Basics of Radio Frequency | p. 162 |
What Is a Wireless LAN? | p. 163 |
Things to Consider | p. 165 |
Access Technology | p. 166 |
Frequency Range | p. 167 |
Antennas | p. 168 |
Range and Bandwidth | p. 171 |
Interference | p. 171 |
Security | p. 171 |
The Regulatory and Legal Factors | p. 172 |
Summary | p. 173 |
Questions for Review | p. 173 |
True/False | p. 173 |
Multiple Choice | p. 174 |
Short Essay Questions | p. 176 |
12 Video Basics Outline | p. 177 |
The Business and Human Factors | p. 177 |
High-Quality | p. 178 |
Medium-Quality | p. 179 |
Low-Quality | p. 180 |
The Technical Factors | p. 180 |
Image Scanning | p. 181 |
Color | p. 184 |
Transmission of Video | p. 184 |
High-Definition Television | p. 186 |
The Regulatory and Legal Factors | p. 187 |
Summary | p. 189 |
Questions for Review | p. 190 |
True/False | p. 190 |
Multiple Choice | p. 191 |
Short Essay Questions | p. 192 |
13 Network Convergence Objectives | p. 193 |
The Business and Human Factors | p. 194 |
Reduce Telephone Costs | p. 194 |
Enhance Telephone Services | p. 195 |
Increase Network Efficiency | p. 195 |
The Technical Factors | p. 196 |
The Basic Parts of VoIP | p. 196 |
Sampling | p. 197 |
Quantitizing | p. 198 |
Coding | p. 199 |
Putting It Back Together | p. 200 |
Packet Transmission | p. 200 |
Delays in Packetizing | p. 201 |
Jitter | p. 201 |
Traffic Capacity | p. 201 |
Transmitter | p. 202 |
Packet Size | p. 202 |
The Regulatory and Legal Factors | p. 202 |
LAN Telephony | p. 203 |
Benefits of LAN Telephony | p. 203 |
Ethernet Phone | p. 206 |
Analog Phone/Converter Gateway | p. 206 |
Gatekeeper | p. 206 |
Ethernet LAN | p. 207 |
PSTN Access Gateway | p. 207 |
IP Router | p. 207 |
Summary | p. 207 |
Questions for Review | p. 207 |
True/False | p. 207 |
Multiple Choice | p. 208 |
Short Essay Questions | p. 208 |
Appendix A Answer Key | p. 209 |
Chapter 1 p. 209 | |
Multiple Choice | p. 209 |
Matching Questions | p. 209 |
Short Essay Questions | p. 210 |
Chapter 2 p. 211 | |
Multiple Choice | p. 211 |
Matching Questions | p. 212 |
Short Essay Questions | p. 212 |
Chapter 3 p. 213 | |
Multiple Choice | p. 213 |
Matching Questions | p. 213 |
Short Essay Questions | p. 213 |
Chapter 4 p. 214 | |
Multiple Choice | p. 214 |
Matching Questions | p. 214 |
Short Essay Questions | p. 215 |
Chapter 5 p. 216 | |
Multiple Choice | p. 216 |
Matching Questions | p. 216 |
Short Essay Questions | p. 216 |
Chapter 6 p. 218 | |
Multiple Choice | p. 218 |
Matching Questions | p. 218 |
Short Essay Questions | p. 218 |
Chapter 7 p. 219 | |
Multiple Choice | p. 219 |
Matching Questions | p. 220 |
Short Essay Questions | p. 220 |
Chapter 8 p. 221 | |
True/False | p. 221 |
Multiple Choice | p. 222 |
Short Essay Questions | p. 222 |
Chapter 9 p. 223 | |
True/False | p. 223 |
Multiple Choice | p. 223 |
Short Essay Questions | p. 224 |
Chapter 10 p. 224 | |
True/False | p. 224 |
Multiple Choice | p. 224 |
Short Essay Questions | p. 225 |
Chapter 11 p. 225 | |
True/False | p. 225 |
Multiple Choice | p. 226 |
Short Essay Questions | p. 226 |
Chapter 12 p. 227 | |
True/False | p. 227 |
Multiple Choice | p. 227 |
Short Essay Questions | p. 227 |
Chapter 13 p. 229 | |
True/False | p. 229 |
Multiple Choice | p. 229 |
Short Essay Questions | p. 229 |
Appendix B Glossary | p. 231 |
Index | p. 243 |