ACC-R2 is an integrated UMAC Rack composed of a 15-slot (63T) pack frame, a 12 slot backplane and power supply. Dimensions are: 325.1 mm (12.80 inch) Wide X 222.2 mm (8.75 inch) deep X 132.1 mm (5.20 inch) high. The power supply characteristics are: AC-Input power supply, input of 85-240VAC, output of 14A at +5V, 1.5A each at +/-15V.