T ROUBLESHOOTING AND O NLINE H ELP RESOURCES109• If your dealer can't help you, contact3Com Customer Support. When youcall, specify your modem serial number(found on the modem and on the outsideof the box), the software being used, and,if possible, have the contents of yourATI7 screen available.If You Need to Return theModem to Us for RepairContact 3Com Customer Support. If thesupport representative determines that youneed to return the modem for repair, you willreceive an SRO (Service Repair Order)number. You must have an SRO numberbefore returning the modem to us.Ship the unit, postage paid, in a strong boxmade of corrugated cardboard with plenty ofpacking material. DO NOT send the modemback in the original box.Send ONLY the modem (NOT the powersupply, manuals, CD-ROM, etc.).Include your SRO number, name, andaddress on the shipping label as well as insidethe package.Send the package via a courier capable oftracking the progress of the shipment.Ship to the following address:3ComAttn: RMASRO#________________6201 W. Oakton, East DockMorton Grove, IL 60053
