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Data Communications Pocket Book - 2nd Edition - ISBN: 9780750604277, 9781483100494

Data Communications Pocket Book

2nd Edition

Author: Michael Tooley
eBook ISBN: 9781483100494
Imprint: Newnes
Published Date: 7th February 1992
Page Count: 176
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Data Communications Pocket Book, Second Edition presents information relevant to data communication. The book provides tabulated reference materials with a brief description and diagrams. The coverage of the text includes abbreviations, terminal control codes, and conversion tables. The text will be of great use to individuals involved in the interconnection of computer systems.

Table of Contents

Abbreviations Commonly Used in Data Communications

Abbreviations Used for Advisory Bodies and Other Organizations

Manufacturers' Prefixes for Semiconductor Devices

CCITT Recommendations

CCITT G-Series Recommendations

CCITT I-Series Recommendations

CCITT V-Series Recommendations

CCITT X-Series Recommendations

International Alphabet No. 2 (IA2)

Extended Binary Coded Decimal Interchange Code (EBCDIC)

EBCDIC Standard Code Table

EBCDIC Control Characters

International Alphabet No. 5 (IA5)

IA5 Standard Code Table

IA5 Control Characters

Representative Teletype Keyboard Layout (IA2)

Representative Personal Computer Keyboard Layout

Terminal Control Codes

Commonly Used Control Characters (with Keyboard Entry)

Decimal, Binary, Hexadecimal and ASCII Conversion Table

Powers of 2

Powers of 16

Parallel I/O Devices

Internal Architecture of a Representative Parallel I/O

Internal Registers of a Programmable Parallel I/O Device

CPU Interface to a Programmable Parallel I/O Device

IEEE-488 Interface Standard

IEEE-488 Bus Signals

Multiline Commands

IEEE-488 Bus Configuration

IEEE-488 Software

IEEE-488 Programming

Serial I/O Devices

Parallel to Serial Data Conversion

Serial to Parallel Data Conversion

Internal Architecture of a Representative Serial I/O

CPU Interface to a Programmable Serial I/O Device

Popular VLSI Support Devices

Pin Connections for Popular Programmable Parallel I/O Devices

Centronics Printer Interface

Centronics Interface Pin Connections

Serial Data Transmission

Pin Connections for Popular Programmable Serial I/O Devices


RS-232D Signals and Functions

Subset of the Most Commonly Used RS-232 Signals

RS-232 Waveforms

RS-232 Electrical Characteristics

RS-232 Logic and Voltage Levels

Simplified Arrangement of a Microcomputer RS-232 Interface

RS-232 Enhancements


RS-422 Logic and Voltage Levels



RS-423 Logic and Voltage Levels

Electrical Characteristics of Popular Interface Specifications

RS-232 Data Cables

Male and Female 25-Way D-connectors for RS-232

RS-232 Pin Connections

RS-449 Pin Connections

RS-232 Signals and Pin Connections

S5/8 Interface Standard

Line Drivers and Line Receivers

Line Driver and Line Receiver Pin Connections

Basic Logic Gates

Logic Circuit Equivalents

Mixed Logic Equivalents

Typical Links between Computers

Typical Null Modem Arrangements


Simplified Block Schematic of a Modem

Modem Signal Frequencies

V21 Frequency Spectrum (300/300 Baud)

V21 Channels for 300/300 Baud

Permitted Frequency Spectrum (BS 6305)

Modem Connecting Methods

DTMF Digits and Tone Pairs

Transmitter Carrier and Signaling Frequency Specifications

Line Signal Encoding (V26A and V26B)

Differential Two-phase Encoding (V26bis)

Differential Four-phase Encoding (V26A and V26B/Bell 201)

Typical Bit Error Rate Performance for a Modem

Data Communications Test Equipment

Fault finding on RS-232 Systems

Communication Protocols

The ISO Model for Open Systems Interconnection

Flow Control

X-ON/X-OFF Flow Control

XMODEM Protocol



Kermit Transactions

Kermit Packet format

Kermit Commands


X.25 Packet Format

High-level Data Link Control

HDLC Frame Structure

Local Area Networks

LAN Topology

Broadband and Baseband Transmission

IEEE 802 Standards

Relationship between IEEE 802 Standards and the ISO Model

Typical LAN Selection Flowchart

Popular Network Standards

Summary of Popular LAN Specifications


Basic Ethernet Connecting Arrangement

Ethernet Transceiver Cable Pin Connections

Ethernet Transceiver Cable Specifications

Typical Ethernet Interface Configuration

Typical Cheapernet Interface Configuration

Internal Architecture of the 82C502 Ethernet Transceiver

LAN Software

Network Operating Systems

Integrated Services Digital Networks

ISDN in the UK

ITT System 12

Future Developments in ISDN

Data Cable Types

Coaxial Cable Data

Screened and Unscreened Pair Data

Cable Equivalents

Recommended Cables

Optical Fiber Technology

Optical Fiber Connectors

Optical Sources

Optical Detectors

PC Video Display Modes and Adapter Standards

Transmission Element Specifications

Equivalent Circuit of a Transmission Element

Frequency Response of a Transmission Element

Decibels and Ratios of Power, Voltage and Current

Transmission Line Power Levels and Voltages

Flowchart Symbols

Addresses of Advisory Bodies, Standards Institutes, and Other Organizations

Glossary of Data Communications Terms



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© Newnes 1992
7th February 1992
eBook ISBN:

About the Author

Michael Tooley

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