ADTRAN T1 CSU ACE Manual page 12

Customer Service, Product Support Information, and
Training
ADTRAN will repair and return this product if within 5 years from
the date of shipment the product does not meet its published
specification or the product fails while in service.
A return material authorization (RMA) is required prior to returning
equipment to ADTRAN. For service, RMA requests, training, or
more information, use the contact information given below.
Repair and Return
If you determine that a repair is needed, please contact our Customer
and Product Service (CAPS) department to have an RMA number
issued. CAPS should also be contacted to obtain information
regarding equipment currently in house or possible fees associated
with repair.
CAPS Department
Identify the RMA number clearly on the package (below address),
and return to the following address:
ADTRAN Customer and Product Service
901 Explorer Blvd. (East Tower)
Huntsville, Alabama 35806
RMA # _____________
Pre-Sales Inquiries and Applications Support
Your reseller should serve as the first point of contact for support. If
additional pre-sales support is needed, the ADTRAN Support web
site provides a variety of support services such as a searchable
knowledge base, latest product documentation, application briefs,
case studies, and a link to submit a question to an Applications
Engineer. All of this, and more, is available at:
http://support.adtran.com
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(256) 963-8722