Data communication

목차 (Table of Contents)

• CONTENTS
• Preface = ⅸ
• 1 Introduction to Data Communication = 1
• Serial and parallel transmission of data signals = 3
• Non-synchronous data transmission = 6
• Synchronous data transmission = 12
• Synchronous versus non-synchronous working = 14
• Data codes = 15
• Full duplex and half duplex = 19
• Standards = 19
• Data terminals = 20
• 2 Communication Techniques = 23
• Transmission lines = 24
• Two-wire and four-wire presented circuits = 28
• Digital data waveforms = 29
• The effect of lines on data signals = 33
• Digital modulation = 35
• Media = 42
• 3 Modems = 46
• Types of modem = 50
• Short-haul data communication = 55
• Modem-sharing units = 56
• Multiplexed moderns = 56
• Operation of a modem = 57
• 4 Interfaces and Interface Chips = 62
• Centronics parallel interface = 64
• V24 interface circuits = 64
• RS 232 interface = 66
• Null modem = 68
• RS 422 = 69
• RS 423 = 70
• RS 449 interface = 71
• RS 485 interface = 71
• V35 interface = 72
• Interface chips = 72
• Peripheral interface adaptor = 74
• Asynchronous communication interface adaptor = 82
• 5 Multiplexing = 91
• Time-division multiplex = 92
• Switching multiplexers = 97
• Staistical multipleers = 98
• Concentrators = 102
• Data-over-voice multiplexer = 103
• Digital PABX = 103
• 6 Networks = 106
• Network topology = 107
• Point-to-point analogue 0ne0tworks = 110
• Polled networks = 111
• Use of multiplexers = 113
• Switched networks = 116
• Data switches = 118
• Front-end processor = 120
• Protocol conversion = 121
• Networks using digital circuits = 122
• 7 Value-added Networks = 126
• Electronic mail = 127
• Other VANs = 130
• Automatic telling machine network = 132
• Electronic point-of-sale systems = 133
• Electronic funds transfer = 134
• 8 Protocols = 136
• BiSynch protocol = 138
• High-level data-link control = 142
• CCITT V42 = 147
• 9 Error Control = 148
• Parity error control = 149
• Cyclic redundancy checks = 151
• Forward error correction = 153
• CCITT V42 = 154
• 10 Local Area Networks = 156
• Topology = 157
• Token-passing LAN = 159
• Cambridge ring = 162
• Ethernet = 165
• Servers = 169
• Inter-networking = 170
• Broadband local area networks = 172
• NetStream = 173
• IEEE 802 specifications = 173
• 11 Massage Switching and Packet Switching = 175
• Message switching = 176
• Packet switching = 178
• Multistream = 187
• Relative merits of message switching and packet switching = 188
• 12 OSI and ISDN = 190
• Open systems interconnection = 192
• Integrated Services Digital Network = 195
• Exercises = 197
• Answers to numerical exereises = 202
• Index = 203