System Power RequirementsARX Hardware Reference Guide 3 - 7System Power RequirementsFor details on the system power requirements for all the ARX models,choose from the following:• ARX-500 System Power Requirements, on page 3-7• ARX-1500 System Power Requirements, on page 3-7• ARX-2000 System Power Requirements, on page 3-7• ARX-2500 System Power Requirements, on page 3-8• ARX-4000 System Power Requirements, on page 3-8ARX-500 System Power RequirementsThe ARX-500 power supply:• Distributes up to 600 Watts of DC power to the chassis components.• Runs at 72% efficiency.• Consumes up to 833 Watts of AC power (833/0.72) to meet the 600-Wattdemand.• Equivalent to 2,843 BTUs/hour.ARX-1500 System Power RequirementsThe ARX-1500 is powered by two power supplies (1+1 redundancy)system) consisting of two power modules and one power system frame.Two power modules are recommended for full redundancy andload-sharing.The power supplies require a 10A / 220VAC input cord, which is providedwith the chassis. The AC outlet to the switch must be properly grounded.ARX-2000 System Power RequirementsThe ARX-2000 uses two power supplies (1+1 redundancy).The power supplies:• Distribute up to 700 Watts of DC power to the chassis components.• Run at a minimum of 80% efficiency.• Consume up to 563 Watts of AC power (700 * 0.80).• Equivalent to 1,536BTUs/hour.• Require a 10A / 220VAC input cord, which is provided with the chassis.The AC outlet to the switch must be properly grounded.