Osi Reference Model For Telecommunications / Edition 1

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*Builds readers' understanding of OSI (Open Systems Interconnection) architecture and equipment in terms that cut through the differences between data and voice.

*Spells out the roles,functions,definitions,and fundamentals of each layer

*Details the many components of the 7-layer model so often assumed as common knowledge-from numbering systems to signaling rates to properties of noise and distortion



The OSI (Open System Interconnection) Reference Model is a cornerstone of modern network design. Although the OSI model has become almost synonymous with data communications,it serves the public switched telephone network (PSTN) as well and is a productive way to organize and teach the building blocks of telecom systems.

In OSI Reference Model for Telecommunications,hands-on expert Debbra Wetteroth provides telecom staffers the information they need to gain a working knowledge of this essential telecom service architecture and equipment. Her style that breaks down the barriers between data and voice vocabularies. This quick reference to the OSI model puts the data you need everyday at your fingertips.

Look inside for an understandable schematics of:
* Mapping PSTN functions to OSI
* The basics of successful data transmissions
* What OSI is and does
* The components that make up OSI
* OSI *common knowledge* (the kind that's not always socommon),such as numbering system,signaling rates,and noise distortion data
* A detailed description of Layers 1 to 3 and a thorough review of the Transport Layer. For each layer,you*ll learn roles,functions,definitions,and more This unique volume will prove invaluable to telecommunications technicians,field supervisors,switch managers,network analysts,network designers,and anyone else who needs detailed explanation of the many components of OSI.

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Product Details

  • ISBN-13: 9780071380416
  • Publisher: McGraw-Hill Professional Publishing
  • Publication date: 11/27/2001
  • Series: McGraw-Hill Telecom Professional Series
  • Edition number: 1
  • Pages: 416
  • Product dimensions: 0.85 (w) x 7.50 (h) x 9.25 (d)

Meet the Author

Debbra Wetteroth (Saint Louis MO) is security manager for SBC Telecom's Information Services Department. Before joining the IS group, she spent 15 years in Central Office Engineering for a major telephone company. Debbra holds seven certifications in telecom engineering.
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Table of Contents

1 Overview 1
OSI Reference Model in Brief 2
Layer Descriptions 3
Telecommunications Standards 4
2 Numbering Systems and Character Code Sets 7
Decimal Numbering 9
Binary Numbering 10
Octet Numbers 12
Hexadecimal Numbers 13
Number System Conversions 15
Units of Measurement 17
Character Code Sets 18
Detecting Errors 33
3 Physical Layer (Level 1) Protocols 41
Parallel Data Transmission 43
Serial Data Transmission 44
Transmission Flow Categories 47
4 Physical Layer (Level 1) Topologies 51
Physical Interface Standards 53
Physical Interface Specifications 54
Physical Layer Protocols 55
Wiring 56
5 Physical Layer (Level 1) Signaling 63
Analog Signal Waves 65
Analog Transmission 67
Digital Transmission 71
Digital Signal 74
Alternate Mark Inversion (AMI) 74
Transmission Impairments 77
Telecommunications Signaling Applications 80
6 Data Link Layer (Level 2) 89
Protocols for Encoding and Decoding Data 91
Data Link Protocols 93
Data Link Protocol Types 99
Implementation of Data Link Protocol 101
Standards for Data Link Protocols 102
Categories of Data Link Protocol 103
ARPANet IMP - IMP Protocol 117
Bit-Oriented Protocols 118
Switching Peer-To-Peer Communication 125
Level 2.5 126
Sliding Window Protocols 127
Synchronization and Asynchronous Functions in the Data Link Layer 127
7 Network Layer (Level 3) 135
Switching Network 138
Voice and Data Bandwidth Requirements 139
Circuit Switching 140
Nonswitched Dedicated Path-Private Line Networks 142
Statistical Multiplexers (statmux) 143
Store-and-Forward Network 145
Packet Switching Networks 148
Central Office Local Area Network (CO LAN) 149
Analog Data Circuits 152
Hardware Communication Testing 157
Digital Transmission 160
Local Area Network (LAN) Topology 162
Contention Access Method (CAM) 174
8 Network Layer (Level 3) Protocols 177
Voice Network Protocols 178
Communication Architectures 179
Network Architectures 181
BiSync Protocol 183
Systems Network Architecture (SNA) 185
Digital Network Architecture (DNA) 187
9 X.25 Protocol Networks 189
CCITT Recommendation X.25 Interface Overview 190
X.25 Reference Model 191
10 Packet-Switching Network Protocols 201
Packet Switching and X.25 202
Data Transmission 203
Packet Switching Functions 205
Packet Switching Virtual Circuit Service 206
Packet Structure Used in Virtual Circuits 214
Fast Select Procedure 222
Packet Switching and Public Data Networks 223
11 Frame Relay 225
Frame Relay Structure 227
Error Checking 231
Multiprotocol over Frame Relay (MPFR) 231
Frame Relay Data Packet Types 234
Virtual Circuits 235
12 Transport Layer (Level 4) 239
Transport and the OSI Reference Model 240
13 Integrated Services Digital Network (ISDN) 245
ISDN Integrated Services 248
ISDN Public Network 248
ISDN Private Network 249
Interface from User to ISDN 249
ISDN Services Data Rates 249
ISDN Data Rate Interfaces 254
B Channel Increased Rate Adaptation 262
Bearer Service 263
ISDN Data Rate Topologies 265
Packet-Mode Data Transport 268
Local Loop Requirements 270
Echo 271
14 Asynchronous Transfer Mode (ATM) 275
ATM Advantages 276
LAN and WAN Communications 276
Cost Savings 277
ATM Cell Structure 277
ATM Adaptation Layers (AAL) 280
ATM Network Topology 287
ATM Connectivity 288
ATM Physical Interfaces 289
ATM Signaling 296
ATM Encapsulation Procedures 300
ATM Circuit Emulation 301
15 Digital Subscriber Line (DSL) 303
DSL Advantages 304
DSL Service Features 305
DSL Requirements 306
DSL Procedures 309
DSL Protocols 311
T1 and E1 Circuits 313
High Data Rate Digital Subscriber Line (HDSL) Protocol 314
Symmetric Digital Subscriber Line (SDSL) Protocol 315
Asymmetric Digital Subscriber Line (ADSL) Protocol 315
Very High Data Rate Digital Subscriber Line (VDSL) Protocol 316
16 Synchronous Optical Network (SONET) 319
SONET Advantages 320
SONET Hardware and Software Integration Advantages 321
SONET Broadband Transport 324
SONET/SDH Technical Specifications 326
SONET Signaling 327
17 Transmission Control Protocol/Internet Protocol (TCP/IP) 329
Functionality of TCP and IP as Two Separate Entities 330
TCP/IP 7-Layer Responsibilities 334
Data to Network Flow 343
IP Addressing 344
Protocols, Ports, and Sockets 354
Network Address Translation (NAT) 372
Domain Addresses 374
Address Resolution Protocol (ARP) 376
Network Layer and Internet Protocol Header Information 376
Ethernet Address Header 380
Index 385
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  • Anonymous

    Posted April 11, 2002

    Great book!!! Well worth the investment!!!

    Appreciated the outline format and many detailed diagrams. Computer technology and telecommunications has merged for the purpose of transmitting data. This book contains a unique approach to use the OSI and TCP/IP model to illustrate how they both relate to telecommunications.

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