A Manager's Guide to Telecommunications

List of Illustrations PrefaceChapter 1 Communication and Computers The Development of Voice and Data Transmission A Review of Data Processing A Classification of Software Chapter 2 Transmission Technology and Techniques Introduction Communication Concepts and Techniques Types of Conversation Transmission Modes Voice and Data Transmission Line Speeds, Bandwidth and Modulation Baseband and Broadband Matching Unequal Speeds Modems and Other Data Transmission Hardware Data Transmission Media Error Detection and Correction Chapter 3 Networks and Exchanges British Telecom, Mercury and Liberalization The Telephone System Switch Technologies The PABX Packet Switching BT Packet Switchstream Facilities Other X-Stream Facilities Multistream Integrated Services Chapter 4 Telephone and Telephone-Linked Facilities Telephone User Facilities Featurephones, Telephone Systems and Exchanges Linkline 0800/0345 Voice Messaging Call Management/Logging Tonto/Qwertyphone/Displayphone Cellular Telephone Trunked Radio Telephone Data Entry, Voice Response Chapter 5 Text and Document Transmission The Techniques Data and Text Telex Electronic Mail Teletex MHS Facsimile Transmission (Fax) Error Indication and Auto-Disconnect Chapter 6 On-Line Data Base Access and Viewdata What is Viewdata? Types of Dialogue Viewdata Features Prestel VDU Display Techniques Viewdata Services Private Viewdata or Prestel? Corporate Viewdata Systems Datastream Effem Management Services The Phillips HCSChapter 7 Local Area Networks (LANs) What is a Local Area Network (LAN)? Media and Transmission Techniques Network Topologies Access Techniques Ethernet, Omninet and Novele Selecting an LAN Appendix 1 Mercury Appendix 2 Northern Telecom Appendix 3 Value-Added Networks Appendix 4 Protocols and Standards Appendix 5 The ISO 7-Layer Model Appendix 6 Glossary of Useful Terms Index