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Appendix B: Technical Assistance and Returns
Megabit Modem 400F, 500L, 600F, and 700F User Manual 105
RETURNS
To return equipment to ADC Wireline Systems Division:
1 Locate the number of the purchase order under which the equipment was purchased. You
will need to provide this number to ADC Wireline Systems Division Customer Service to
obtain a return authorization.
2 Call or write ADC Wireline Systems Division Customer Service to ask for a Return
Material Authorization (RMA) number and any additional instructions. Use the telephone
number, fax number, or email address listed below:
• Telephone: 800.370.9670
• Fax: 714.832.9923
• Email Address: rma@adc.com
3 Include the following information, in writing, along with the equipment you are returning:
• Company name, address, telephone number, and the name of a person Customer
Service can contact regarding this equipment.
• The purchase order number provided to Customer Service when the RMA number was
requested.
• A description of the equipment, as well as the number of units that you are returning.
Be sure to include the model and part number of each unit.
• The shipping address to which Customer Service should return the repaired equipment.
• The reason for the return:
– The equipment needs an ECO/ECN upgrade.
– The equipment is defective.
– If there is another reason for returning the equipment, please let us know so we
can determine how best to help you.
4 Pack the equipment in a shipping carton.
If the equipment is defective, please tell us what you observed just before the
equipment malfunctioned. Be as detailed in your description as possible.