TY  - BOOK
AU  - Held,Gilbert
TI  - Understanding data communications
SN  - 0672309343
SN  - 978067230
U1  - 004.6 22
PY  - 1996///
CY  - Indianapolis, IN
PB  - Sams Pub.
KW  - Data transmission systems
KW  - Computer networks
N1  -  Content 
1 An overview  of data communication
About this book
About this chapter 
What is data communication
etc.

2 Terminal devices
About this chapter 
Teleprinters
Teleprinter communications
Teleprinters terminals 
Teleprinter versus CRT Terminals
CTR Terminal
Parts of a terminal
etc.

3 Messages and terminal channels
About this chapter
What is information
Information as a quantity 
Information content of symbols 
What carries the message
etc.

4 Asynchronous modems and interfaces
About this chapter 
Why data cant be transmitted directly 
Solving the problem with modern
Analog modulation
etc.

5 Synchronous modems, digital transmitted and services units 
About this chapter 
Synchronous signaling and standards 
A search for higher data rates.
Typical Synchronous Components
etc.

6 Multiplexing techniques 
About this chapter
Multiplexing 
Sharing a channel
Digital modulation
etc.

7 Fiber-optic satellite  communication 
About this chapter 
Introduction and historical perspective 
Fundamentals of fiber-optic systems 
Snell's law
Fiber-optic subsystems and components
etc.

8 Protocols and error control
About this chapter 
Protocols and interfaces
Elements of protocol 
Teletypewriter and XMODEM protocols 
Protocol selection
etc.

9 Personal computer communications software 
About this chapter 
Communication programs features 
Operating systems and operating environmental support 
Using ProcommPlus for words
etc.

10 Alternatives in local area networks
About this chapter 
What is LAN 
LAN versus other techniques 
Logical link control- IEEE
etc.

11 Architectures and packets networks
About this chapter 
Protocol layering 
physical layer
Packet networks
Link levels
etc.

12 Internet 
About this chapter 
Evolution 
Application services 
Internet access providers
IP addressing 
etc.

13 ISDN
About this chapter 
Concept
ISDN architecture 
Basic access
ISDN Implementation standards
etc.

14 Asynchronous transfer mode
About this chapter 
Evolution 
The rational and underlying technology 
Architecture 
etc.

15 Network design and management 
About this chapter 
Network design goals 
Accuracy 
Timelines 
Transfer rate of Information Bits
etc.







; Includes bibliographical references (p. :477- 478 and index
ER  -