Product Support Information

Presales Inquiries and Applications Support

Please contact your local distributor, ADTRAN Applications Engineering, or ADTRAN Sales:

Applications Engineering

(800) 615-1176

Sales

(800) 827-0807

Post-Sale Support

Please contact your local distributor first. If your local distributor cannot help, please contact ADTRAN Technical Support and have the unit serial number available.

Technical Support (888) 4ADTRAN

Repair and Return

If ADTRAN Technical Support determines that a repair is needed, Technical Support will coordinate with theCustomer and Product Service (CaPS) de- partment to issue an RMA number. For information regarding equipment currently in house or possible fees associated with repair, contact CaPS di- rectly at the following number:

CaPS Department (256) 963-8722

Identify the RMA number clearly on the package (below address), and re- turn to the following address:

ADTRAN, Inc.

CaPS Department

6767 Old Madison Pike

Progress Center

Building #6, Suite 690

Huntsville, AL 35807

RMA # _____________

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ADTRAN ESU 120e user manual Presales Inquiries and Applications Support, Post-Sale Support, Repair and Return