Communications, Industrial Networking and TCP/IP

IDC Technologies Communications, Industrial Networking and TCP/IP 2 Communications, Industrial Networking and TCP/IP © 2012 IDC Technologies & Ventus Publishing ApS ISBN 978-87-403-0002-4 3 Communications, Industrial Networking and TCP/IP Contents Contents Foreword 7 Notes 8 1 Data Communications 9 1.1 Format of Data Communication Messages 9 1.2 Baud Rate vs Data Transfer Rate 9 1.3 The RS-232 Standard 10 1.4 Functional Description of the Interchange Circuit 11 1.5 The RS-422 Standard 13 1.6 The RS-485 Standard 13 1.7 Protocols 14 2 Industrial Networking and TCP/IP 15 2.1 Introduction 15 2.2 The Open Systems Interconnection Model 16 2.3 Network Topologies 16 2.4 Access Control 17 2.5 Main LAN Standards 20 2.6 Ethernet Standards 20 Communications, Industrial Networking and TCP/IP Contents 2.7 802.3 CSMA/CD Hardware Requirements 20 2.8 The TCP/IP Protocol Structure 21 2.9 Transmission Control Protocol (TCP) 23 2.10 Application Protocols for TCP/IP 23 3 Theory of Fiber Optic Transmission 24 3.1 Construction of an Optical Fiber 24 3.2 Fresnel Reflection 25 3.3 The Light Transmission Nature of Glass 26 3.4 Numerical Aperture 26 3.5 Modal Propagation In Fibers 27 3.6 A Comparison of Data Rate, Distance and Fiber Type 29 Appendix A 31 Glossary of Terms 31 Appendix B 58 ASCII Tables 58 Appendix C 60 EIA Communication Interface Standards 60 5 ... - tailieumienphi.vn