Product Support InformationPresales Inquiries and Applications SupportPlease contact your local distributor, ADTRAN Applications Engineering,or ADTRAN Sales:Post-Sale SupportPlease contact your local distributor first. If your local distributor cannothelp, please contact ADTRAN Technical Support and have the unit serialnumber available.Repair and ReturnIf ADTRAN Technical Support determines that a repair is needed, TechnicalSupport will coordinate with the Customer and Product Service (CaPS) de-partment to issue an RMA number. For information regarding equipmentcurrently in-house or possible fees associated with repair, contact CaPS di-rectly at the following number:Identify the RMA number clearly on the package (below address), and re-turn to the following address:ADTRAN Customer and Product Service6767 Old Madison PikeProgress CenterBuilding #6 Suite 690Huntsville, AL 35807RMA # _____________Applications Engineering (800) 615-1176Sales (800) 827-0807Technical Support (888) 4ADTRANCaPS Department (256) 963-8722