We can search our database with the Serial Number of the receiver in question. If there are any troubles locating this information, you may email us with the cox.net email to Cox.Help@cox.com, and we can determine the type of receiver.
This isn't a serial number or model that exists in our data base. We can take a closer look. Please email Cox.Help@cox.com with your address and name and the link to this forums so we may continue to review your concern.