Constructed of 6 coffee machines, and one emergency backup unit, the RAICM array is able to churn out more than 50 gallons of coffee an hour. The machines are interconnected via CAT5 (CAT stands for Columbia, Antigua, Tanzania), through a 10/100 MBPS switch, communicating by RCP (Remote Coffee Protocol). Each coffee machine was retrofited with one PCI (Percolation Control Interface) slot into which we could wedge an ethernet card for this purpose.