| About the Authors | p. ix |
| What Is Industrial Ethernet? | p. 1 |
| Introduction | p. 1 |
| A Very, Very Short History of Ethernet and TCP/IP | p. 3 |
| A Brief Tutorial on Digital Communication | p. 5 |
| Digital Communication Terminology | p. 6 |
| What's the Difference Between a Protocol and a Network? | p. 9 |
| Basic Topologies | p. 11 |
| Arbitration Mechanisms | p. 15 |
| LAN vs. WAN vs. VPN | p. 15 |
| Ethernet Hardware Basics | p. 17 |
| Ethernet Terminology | p. 17 |
| Ethernet Hardware LEDs | p. 26 |
| Physical/Embedded Components: MAC, PHY, and Magnetics | p. 27 |
| Auto-Negotiation | p. 28 |
| Network Collisions and Arbitration: An Analogy | p. 30 |
| How the CSMA/CD Protocol Works | p. 31 |
| The Basic "Ethernet Design Rules" | p. 33 |
| "Would Somebody Please Explain This 7-Layer Networking Model?" | p. 33 |
| Connectors | p. 36 |
| Pinouts | p. 38 |
| Ethernet Protocol & Addressing | p. 43 |
| A Little Bit of History | p. 43 |
| The Ethernet Packet and How Messages Flow on Ethernet | p. 44 |
| What Is the TCP/IP Protocol Suite? | p. 46 |
| TCP/IP Protocol Suite--IP Protocol | p. 47 |
| TCP/IP Protocol Suite--TCP Protocol | p. 54 |
| TCP/IP Protocol Suite--UDP Protocol | p. 56 |
| Ports--How the TCP/IP Suite Is Shared Between Applications | p. 57 |
| Other TCP/IP Application Layer Protocols | p. 58 |
| Popular TCP/IP Utilities | p. 61 |
| Basic Ethernet Building Blocks | p. 67 |
| Devices | p. 67 |
| Determinism, Repeatability, and Knowing if It's "Fast Enough" | p. 72 |
| Cost Issues: Ethernet "Smart Devices" vs. PCs | p. 75 |
| Network Health, Monitoring, & System Maintenance | p. 79 |
| What Is It that Makes a Network Run Well? | p. 79 |
| Popular PC-Based Ethernet Utilities, Software, and Tools | p. 84 |
| Installation, Troubleshooting, and Maintenance Tips | p. 89 |
| Ethernet Grounding Rules | p. 89 |
| When You Install Cable | p. 93 |
| How to Ensure Good Fiber-Optic Connections | p. 94 |
| Ethernet Industrial Protocols, Fieldbuses, and Legacy Networks | p. 97 |
| Encapsulating Industrial Protocols in TCP/IP | p. 98 |
| Web Services Technologies | p. 108 |
| Basic Precuations for Network Security | p. 115 |
| Power over Ethernet (PoE) | p. 117 |
| What is PoE? | p. 117 |
| What Pins Are Used on the CAT5 Cable? | p. 117 |
| How Much Current Is Supplied? | p. 118 |
| What Are the Advantages to PoE? | p. 119 |
| How Do I Get Started with PoE? | p. 120 |
| Resources | p. 120 |
| Wireless Ethernet | p. 121 |
| A "Very" Short Technology Primer | p. 121 |
| Access Points | p. 123 |
| Mesh Networks | p. 124 |
| Security | p. 124 |
| The Advantages | p. 125 |
| Index | p. 127 |
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