Table of Contents:

Definition and Overview

1. How Cable Modems Work

2. Cable Data System Features

3. Cable Data Network Architecture

4. Cable Data Network Standards

5. Conclusion

Self-Test

Glossary

PDF of this tutorial

Definition

Cable modems are devices that allow high-speed access to the Internet via a cable television network. While similar in some respects to a traditional analog modem, a cable modem is significantly more powerful, capable of delivering data approximately 500 times faster.

Overview
This tutorial explores the high-speed access capability of cable modem technology in detail, with emphasis on mode of operation, network architecture, alternative technologies, and security issues.