The MGX-AC1-1 is designed for systems requiring a single AC power supply that will be powered from a single AC power source. MGX-AC1-1 provides up to 1200W of load-shared redundant power. If additional power is needed, additional power supplies, providing an additional 1200W each, can be added. The one-AC cord version uses 1:N power-supply redundancy.The product consists of AC Shelf, 1 feed, 1 PS, 1 MGX-CAB-A.