Yes.  If you require a replacement router during the warranty period, a new router will be sent to you with installation instructions.  If you have purchased a maintenance plan, a technician will come out to your business and fix it for you. 
Yes.  If you require a replacement router during the warranty period, a new router will be sent to you with installation instructions.  If you have purchased a maintenance plan, a technician will come out to your business and fix it for you.