Customer support – Comtech EF Data SDM-300A User Manual
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Customer Support
Contact the Comtech EF Data Customer Support Department for: 
 
• Product support or training 
• Information on upgrading or returning a product 
• Reporting comments or suggestions concerning manuals 
 
A Customer Support representative may be reached at: 
 
Comtech EF Data 
Attention: Customer Support Department 
2114 West 7th Street 
Tempe, Arizona 85281 USA 
 
480.333.2200 (Main Comtech EF Data Number) 
480.333.4357 (Customer Support Desk) 
480.333.2161 FAX 
 
or, E-Mail can be sent to the Customer Support Department at: 
 
 
Contact us via the web at 
www.comtechefdata.com
.
 
To return a Comtech EF Data product (in-warranty and out-of-warranty) for repair or 
replacement: 
 
1. Request a Return Material Authorization (RMA) number from the Comtech EF
Data Customer Support Department.
 
 
Be prepared to supply the Customer Support representative with the model 
number, serial number, and a description of the problem. 
 
2. To ensure that the product is not damaged during shipping, pack the product in 
its original shipping carton/packaging.
 
3. Ship the product back to Comtech EF Data. (Shipping charges should be 
prepaid.)
 
For more information regarding the warranty policies, see Warranty Policy, p. xv.