Ethernet Basics
This comprehensive tutorial includes a wide range of information on networking basics, speed, and devices.

Ethernet Reference
This guide covers Ethernet "rules of thumb" including a brief summary of each of the many varieties and common errors encountered in configuration.

Ethernet Networks
This overview discusses the history of Ethernet, cable types, hubs and switches, and propagation time and distance.

10 Mbps Quick Reference Guide
Charles Spurgeon's Guide to 10 Megabit Ethernet describes the basic concepts, components, wiring types, and configuration issues.

100 Mbps Quick Reference Guide
Charles Spurgeon's Guide to 100 Megabit Ethernet describes the basics as well as auto-negotiation of ports and media types including two-pair, four-pair, and fiber optic.

Gigabit Ethernet Technical Overview
This page discusses Gigabit Ethernet standards, speeds, and migration from other Ethernet technologies.