Chapter 1Site Planning1 - 44ARX-2500 System Power RequirementsThe ARX-2500 is powered by two power supplies (1+1 redundancy)consisting of two power modules and one power system frame. Two powermodules are recommended for full redundancy and load-sharing. The powersupplies require a 10A / 220VAC input cord, which is provided with thechassis. The AC outlet to the switch must be properly grounded.ARX-4000 System Power RequirementsThe ARX-4000 chassis dissipates 975 watts of power. The control planedissipates 600 watts and the data plane dissipates 375 watts. This isequivalent to 3328 BTUs/hour.Cable RequirementsThis section contains the cable requirements for all the ARX models.Choose from the following:• ARX-500 Cable Requirements, on page 1-44• ARX-1500 Cable Requirement, on page 1-45• ARX-2000 Cable Requirements, on page 1-46• ARX-4000 Cable Requirements, on page 1-47ARX-500 Cable RequirementsThe following table lists the required cables and power cords for theARX-500. All cables except the AC power cord and console cable arecustomer-supplied.Table 1.10 ARX-500 Required Power and Data CablesQty. Cable/Cord Used on... Specification1 AC power cord AC/DC Power Supply You can choose from the two cablesshipped with the switch:• 20 A/250 Vac or• 15 A/120 VacBoth have IEC-320 type connectors.For sites in Europe and Great Britain, weship a power cord that is compatible withlocal standards.