Support Resources

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If You Need to Return the Modem to Us

Contact 3Com Technical Support. If the support representative determines that you need to return the modem, you will receive a USO (User Service Order) number. You must have a USO number before returning the modem to us. Ship the unit, postage paid, in a strong box made of corrugated cardboard with plenty of packing material. DO NOT send the modem back in the original box. Send ONLY the modem (NOT manuals, diskettes, CDs, etc.). Include your USO number, name, and address on the shipping label as well as inside the package. If possible, send the package via a courier capable of tracking the progress of the shipment. Ship to the following address:

3Com

USO #________

Dock 15

1800 W. Central Ave.

Mount Prospect, IL 60056

World Wide Web

To visit our online support home page, log on to:

http://consumer.3com.com/cable/

You can send a message to technical support by clicking Contact Us in the “Site Tools” section of this Web site.

90-Day Free Installation Support

3Com offers free installation support for this product 90 days after purchase. Please call the following toll-free number.

888-877-5040

After the 90-day period, refer to our regularTechnical

Support Hotline (below).

Technical Support Hotline

Technical questions about 3Com cable modems can also be answered by technical support representatives. Regular telephone charges apply. The hours service is available are 7:00 AM - 11:00 PM CST seven days a week.

847-262-2550

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Castelle 10031161 manual If You Need to Return the Modem to Us, World Wide Web, Day Free Installation Support