Cisco Return Material Authorization (RMA) Only, Extended service agreement, advance parts replacement, on-site, 24x7, response time: 4 h, f/ MS3548X2 1 license(s)

This is an optional add-on hardware replacement service for existing Cisco customers with active subscription licenses that include technical support services.
Where available, Cisco will provide Advance Replacement for eligible Hardware. The RMA Only option provides full unit replacement and optional onsite resources. This Service does not entitle Customer to receive any additional service delivery elements, which are delivered by the required TAC entitled subscription. The RMA Only option is only available for purchase in those instances where an existing subscription is in place.