Data communications : an overview

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Title:

Personal Author:

Sveum, Myron E.

Publication Information:

Upper Saddle River, N.J. : Prentice Hall, 2000

ISBN:

9780130798626

Subject Term:

Data transmission systems

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Library	Item Barcode	Call Number	Material Type	Item Category 1	Status
Searching... PSZ JB	30000004246355	TK5105 S933 2000	Open Access Book	Book	Searching... Unknown
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Searching... Razak School	30000005033190	TK5105 S933 2000	Open Access Book	Book	Searching... Unknown

This textbook covers a broad area with sufficient depth for a one-semester or two-quarter undergraduate course targeted at electronic technicians, electrical engineering technology, computer science, and computer information systems students. Includes more technical material than typical business ne

1 Basics	p. 1
1.1 Frequently Asked Questions (FAQs)	p. 1
1.2 History of Telecommunications	p. 3
1.3 Standards	p. 5
1.4 Networks	p. 9
1.5 Open Systems Interconnect Reference Model (OSI RM)	p. 12
1.6 Virtual Communications between Equivalent Layers	p. 16
Summary	p. 16
Questions	p. 17
2 Transmission Mediums and the Physical Layer	p. 19
2.1 What Is the Physical Layer?	p. 19
2.2 Twisted Pair (TP)	p. 19
2.3 RS-232 and RS-422A	p. 22
2.4 Coaxial Cable	p. 29
2.5 Fiber Optics	p. 31
2.6 Satellites	p. 42
2.7 Nyquist Channel Capacity Law	p. 47
2.8 Shannon-Hartley Channel Capacity Law	p. 48
2.9 Bit Rate versus Baud Rate	p. 49
2.10 Troubleshooting	p. 50
Summary	p. 56
Questions	p. 56
3 The Data Link Layer (DLL)	p. 59
3.1 Data Link Layer Duties	p. 59
3.2 Control Field	p. 63
3.3 Upper Level Protocols	p. 64
Summary	p. 65
Questions	p. 65
4 Local Area Networks (LANs)	p. 67
4.1 Introduction to LANs	p. 67
4.2 Ethernet	p. 69
4.3 Token Ring Network (TRN)	p. 76
4.4 Token Bus	p. 84
4.5 High-Speed LANs	p. 86
4.6 IEEE 802.2 versus ISO RM	p. 89
4.7 Troubleshooting	p. 91
Summary	p. 95
Questions	p. 97
5 Network Operating Systems (NOSs)	p. 99
5.1 Network Operating Systems (NOSs)	p. 99
5.2 PC without a NOS	p. 100
5.3 PC with a NOS	p. 100
5.4 Peer-to-Peer versus Client/Server	p. 100
5.5 NOS Functions	p. 100
5.6 NOS Vendors	p. 102
5.7 LAN Protocols	p. 103
5.8 NT Server versus NetWare	p. 103
5.9 Testing and Troubleshooting	p. 104
Summary	p. 105
Questions	p. 105
6 Lan Interconnection	p. 107
6.1 Why Interconnect LANs?	p. 107
6.2 Repeater	p. 108
6.3 Bridge	p. 108
6.4 Routers and Switches	p. 110
6.5 Gateway	p. 112
Summary	p. 112
Questions	p. 112
7 The Public Switched Telephone System (PSTN)	p. 113
7.1 Public Switched Telephone System (PSTN)	p. 114
7.2 How Is a Call Handled?	p. 114
7.3 ATandT System	p. 116
7.4 LATAs, IECs, IXCs, and LECs	p. 116
7.5 CO-to-Telephone Connection	p. 116
7.6 Strowger Switch and the Rotary Dial Telephone	p. 117
7.7 Dual Tone Multi-Frequency (DTMF)	p. 119
7.8 Why Switch?	p. 119
7.9 Parts of a Call	p. 119
7.10 Per Trunk Signaling	p. 120
7.11 Common Channel Interoffice Signaling (CCIS)	p. 120
7.12 Switching Computers	p. 122
7.13 Packet Switched Networks (PSN)	p. 122
7.14 Echoes	p. 123
7.15 PSTN Impairments, Testing, and Troubleshooting	p. 123
Summary	p. 126
Questions	p. 128
8 Multiplexing and Codecs	p. 129
8.1 Multiplexing, Why?	p. 129
8.2 Analog versus Digital Signal Transmission	p. 134
8.3 Analog to Digital (A/D) and Digital to Analog (D/A) Conversion	p. 135
Summary	p. 140
Questions	p. 141
9 Modulation and Modems	p. 143
9.1 Why Can't We Connect Our Computer Directly to the Phone Line?	p. 144
9.2 Speed versus Bandwidth	p. 144
9.3 Modulation	p. 145
9.4 Phase Diagrams	p. 150
9.5 Bit Rate and Baud Rate	p. 150
9.6 Frequency Shift Keying (FSK)	p. 150
9.7 Phase Shift Keying (PSK)	p. 152
9.8 Transmission Impairments	p. 156
9.9 Simplex, Half Duplex, Full Duplex	p. 158
9.10 Testing and Troubleshooting	p. 159
Summary	p. 160
Questions	p. 161
10 T Carrier	p. 163
10.1 Why T-1?	p. 164
10.2 Multiplexing and De-Multiplexing	p. 164
10.3 T-1 Frame Format	p. 166
10.4 E-1	p. 168
10.5 Alternate Mark Inversion (AMI)	p. 168
10.6 Zero Substitution	p. 169
10.7 D-4 Framing Bits	p. 170
10.8 Costs	p. 172
10.9 Testing and Troubleshooting	p. 173
Summary	p. 174
Questions	p. 176
11 Integrated Services Digital Network (ISDN)	p. 177
11.1 The Goal of ISDN	p. 177
11.2 What Is ISDN?	p. 177
11.3 Modifying the TP for ISDN	p. 179
11.4 ISDN History	p. 179
11.5 ISDN Types	p. 179
11.6 Connecting to ISDN	p. 180
11.7 2 Binary--1 Quaternary (2B1Q)	p. 181
11.8 ISDN Superframe	p. 182
11.9 Link Access Protocol over the D Channel (LAPD)	p. 183
11.10 Broadband ISDN versus Narrowband ISDN	p. 187
11.11 Testing and Troubleshooting	p. 187
Summary	p. 188
Questions	p. 189
12 High-Speed Data to Office and Home	p. 191
12.1 Why Are the Data Transfer Speeds to the Office and Home So Slow?	p. 191
12.2 Cable Television Modems	p. 192
12.3 Asymmetric Data Subscriber Line (ADSL)	p. 193
12.4 High-Speed Satellite Internet Transmissions	p. 194
12.5 Testing	p. 195
Summary	p. 195
Questions	p. 196
13 Cellular Communications	p. 197
13.1 Mobile Communications Problems	p. 198
13.2 United States Standards	p. 198
13.3 Frequency Modulation (FM)	p. 200
13.4 Cells	p. 201
13.5 Frequency Reuse	p. 202
13.6 Mobile Telephone Switching Office (MTSO)	p. 203
13.7 Handoff	p. 205
13.8 Call Setup	p. 206
13.9 Cellular Frequencies in the United States	p. 207
13.10 N-AMPS (Narrowband AMPS)	p. 208
13.11 Aloha Protocol	p. 208
13.12 Interim Standard-54 (IS-54)	p. 209
13.13 Global System for Mobile (GSM) Communications	p. 213
13.14 Interim Standard-95 (IS-95)	p. 215
13.15 Testing and Troubleshooting	p. 218
Summary	p. 218
Questions	p. 220
14 Binary Synchronous Control (BSC), or Bisync	p. 221
14.1 BiSync Characteristics	p. 221
14.2 BiSync Frame Format	p. 222
14.3 BSC Transmission Example	p. 223
14.4 BSC Transmission with Error Example	p. 225
Summary	p. 225
Questions	p. 225
15 X.25 and Frame Relay	p. 227
15.1 Why X.25?	p. 228
15.2 Switching	p. 228
15.3 X.25 Facilities or Features	p. 231
15.4 X.25 and Related Specifications	p. 232
15.5 X.25 and the OSI RM	p. 232
15.6 X.25 Packet and LAP/B Frame	p. 235
15.7 Packet Headers	p. 236
15.8 X.25 Calling Sequence	p. 239
15.9 Link Access Protocol/Balanced (LAP/B)	p. 240
15.10 Frame Relay	p. 241
15.11 Frame Relay Testing and Troubleshooting	p. 242
Summary	p. 244
Questions	p. 246
16 Asynchronous Transfer Mode (ATM) and Sonet	p. 247
16.1 Why Asynchronous Transfer Mode (ATM)?	p. 248
16.2 ATM Supports All Types of Digital Transmissions	p. 250
16.3 ATM Cell Formats (Types)	p. 250
16.4 ATM Layers	p. 252
16.5 SONET (Synchronous Optical NETwork)	p. 255
16.6 SONET and SDH	p. 255
16.7 SONET Model	p. 255
16.8 SONET Format and Overhead Portioning	p. 256
16.9 Synchronous Payload Envelope (SPE) Synchronization	p. 258
16.10 ATM Testing and Troubleshooting	p. 258
16.11 SONET Testing and Troubleshooting	p. 260
Summary	p. 260
Questions	p. 262
17 SNA, TCP/IP, and Murphy's Law	p. 263
17.1 Murphy's Law	p. 263
17.2 TCP/IP versus SNA	p. 264
17.3 Connectionless versus Connection Oriented	p. 265
17.4 Relative Complexity	p. 265
17.5 Advanced Peer-to-Peer Networking (APPN)	p. 265
17.6 Final Thoughts	p. 266
Questions	p. 266
18 TCP/IP and the Internet	p. 267
18.1 History of TCP/IP and the Internet	p. 268
18.2 Purpose of the Internet	p. 268
18.3 Datagrams	p. 268
18.4 TCP/IP Layers versus the OSI RM	p. 270
18.5 Data Flow	p. 271
18.6 Layer Description	p. 271
18.7 TCP/IP Frame Structure	p. 275
18.8 IP Header	p. 276
18.9 TCP Header	p. 277
18.10 IP Addressing	p. 278
18.11 IP Connections	p. 279
18.12 IP Domains	p. 279
18.13 Address Resolution Protocol (ARP)	p. 279
18.14 Domain Name Service (DNS)	p. 279
18.15 So What's on the Internet, and How Do We Find It?	p. 280
18.16 World Wide Web (WWW)	p. 281
18.17 Troubleshooting	p. 281
Summary	p. 282
Questions	p. 284
19 Systems Network Architecture (SNA)	p. 285
19.1 SNA Systems Network Architecture (SNA)	p. 286
19.2 SNA Layers	p. 287
19.3 SNA Network Examples	p. 287
19.4 SNA Hardware	p. 288
19.5 SNA Operating Systems	p. 290
19.6 Sessions	p. 292
19.7 Advanced Peer-to-Peer Network (APPN)	p. 292
19.8 Bit Oriented Framing	p. 292
19.9 Management and Troubleshooting	p. 296
Summary	p. 297
Questions	p. 299
A1 Cyclic Redundant Code (CRC)	p. 301
A1.1 CRC Mathematical Example	p. 301
A1.2 CRC Hardware Implementation	p. 303
A1.3 How Good Is CRC?	p. 303
A1.4 Problems	p. 303
A2 Decibels and Power	p. 305
A2.1 Decibels	p. 305
A2.2 dBm or Decibels Referenced to One Milliwatt	p. 306
A2.3 Final Comments	p. 309
A2.4 Problems	p. 309
A3 Queue Theory	p. 311
A3.1 How Many?	p. 311
A3.2 Traffic Intensity	p. 311
A3.3 Poission Distribution	p. 313
A3.4 Erlang B and Erlang C	p. 313
A3.5 Problems	p. 326
A4 Fourier Series	p. 329
A5 Wide Area Protocols (WAN)	p. 335
A.5.1 Lower Level Protocols	p. 335
A.5.2 Upper Level Protocols	p. 338
A6 Data Communications Experiments	p. 339
Glossary	p. 341
Index	p. 351

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