User Manual
Cable Modem with USB and Ethernet Connections
Copyright and Trademarks
Specifications are subject to change without notice. Linksys is a registered trademark or trademark of Cisco 
Systems, Inc. and/or its affiliates in the U.S. and certain other countries. Copyright © 2003 Cisco Systems, Inc. All 
rights reserved. Other brands and product names are trademarks or registered trademarks of their respective 
holders. 
How to Use this Guide
Your guide to the Cable Modem has been designed to make understanding networking with the Cable Modem 
easier than ever. Look for the following items when reading this guide:
In addition to these symbols, there are definitions for technical terms that are presented like this:
Also, each figure (diagram, screenshot, or other image) is provided with a figure number and description, like 
this:
Figure numbers and descriptions can also be found in the “List of Figures” section in the “Table of Contents”.
This exclamation point means there is a Caution or 
warning and is something that could damage your 
property or the Cable Modem.
word: definition.
This checkmark means there is a Note of interest and 
is something you should pay special attention to while 
using the Cable Modem.
This question mark provides you with a reminder about something 
you might need to do while using the Cable Modem.
Figure 0-1: Sample Figure Description
BEFCMU10_V4-UG-41118NC BW
WARNING: This product contains chemicals, including lead, known 
to the State of California to cause cancer, and birth defects or other 
reproductive harm. Wash hands after handling.










