Newnes Data Communications Pocket Book

Contents......Page 5
Preface......Page 6
Abbreviations commonly used in data communications......Page 7
Glossary of data communications terms......Page 18
Abbreviations used for advisory bodies and other organisations......Page 41
2 Terminals......Page 43
International alphabet no. 2 (IA2)......Page 44
International alphabet no. 5 (IA5)......Page 45
Extended binary coded decimal interchange code ( EBCDIC)......Page 48
Terminal control codes......Page 49
Commonly used control characters (with keyboard entry)......Page 52
Transmission element specifications......Page 54
Data cable types......Page 56
Coaxial cable data......Page 60
Screened and unscreened pair data......Page 62
CAT-3, -4, -5, -6, -7 cable......Page 63
Cable equivalents......Page 64
Optical fibre technology......Page 65
Optical fibre connectors......Page 71
Optical detectors......Page 72
Optical fibre safety......Page 73
Serial data transmission......Page 74
Serial I/O devices......Page 75
RS-232......Page 78
RS-232D signals and functions......Page 80
Subset of the most commonly used RS-232 signals......Page 81
RS-232 waveforms......Page 82
RS-232 electrical characteristics......Page 83
RS-232 logic and voltage levels......Page 84
Simplified arrangement of a microcomputer RS- 232 interface......Page 85
RS-232 data cables......Page 86
RS-232 pin connections......Page 87
V.24/RS-232 interface connections......Page 88
RS-422......Page 90
RS-423......Page 91
RS-449......Page 92
RS-449 pin connections......Page 94
V. 36/ RS- 449 interface connections......Page 95
RS-485......Page 96
RS- 530 interface connections......Page 97
X. 21 interface connections......Page 98
V. 35 interface connections......Page 99
RJ- 11 interface connections......Page 100
RJ- 12 interface connections......Page 101
RJ- 45 interface connections......Page 102
USB......Page 103
IEEE-1394 \'Firewire\'......Page 107
Typical links between computers......Page 109
Typical null-modem arrangements......Page 110
Modems......Page 111
Modem signal frequencies......Page 114
Transmitter carrier and signalling frequency specifications......Page 116
Differential four-phase encoding (V.26A and V. 26B/ Bell 201)......Page 117
Data communications test equipment......Page 118
Fault finding on RS-232 systems......Page 120
Cable modem......Page 122
Data Communications Equipment......Page 123
Parallel I/O devices......Page 136
Centronics printer interface......Page 138
IEEE-488 interface standard......Page 140
IEEE-488 devices......Page 141
IEEE-488 bus signals......Page 142
IEEE-488 commands......Page 144
Multiline commands......Page 145
IEEE-488 bus configuration......Page 146
IEEE-488 software......Page 147
IEEE-488 programming......Page 149
ISO model for open systems interconnection......Page 152
8 Local area networks......Page 155
Typical LAN selection flowchart......Page 159
Popular network standards......Page 160
Summary of popular LAN specifications......Page 163
Twisted-pair Ethernet......Page 164
Ethernet (co-axial cable)......Page 166
Wireless LANs......Page 170
Integrated services digital network......Page 181
High-speed digital subscriber line (HDSL)......Page 182
Asymmetric digital subscriber line (ADSL)......Page 183
Single-pair digital subscriber line (SDSL)......Page 184
Very-high-speed digital subscriber line (VDSL)......Page 185
Single-pair HDSL (G.shdsl– G.991.2)......Page 0
Asynchronous transfer mode......Page 186
XMODEM protocol......Page 188
XMODEM/CRC protocol......Page 191
ITU X.25......Page 192
Frame relay......Page 195
HDLC frame structure......Page 196
LAN security and management......Page 198
Network operating systems......Page 202
Internet protocol (IP)......Page 204
Transport protocols......Page 211
ITU-T recommendations......Page 218
Powers of 2......Page 229
Decimal, binary, hexadecimal and ASCII conversion table......Page 230
Decibels and ratios of power, voltage and current......Page 236
Transmission line power levels and voltages......Page 241
Addresses of advisory bodies, standards institutes, and other organisations......Page 243
Basic logic gates......Page 246
Index......Page 247