HP StorageWorks 2/128 HP StorageWorks SAN Director 2/128 Installation Guide, V - Page 166
Power Specifications, Table 20: Power Specifications, are calculated for fully loaded systems
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Technical Specifications Power Specifications The power subsystem is a redundant +48V DC power distribution system with a provision for up to four 1000-watt, 48V DC bulk power supplies. Bulk power supplies produce the intermediate distribution voltage in the distributed power system. The power specifications listed in Table 20 are calculated for fully loaded systems with two power supplies. A fully loaded system has eight 16-port cards, two CP cards, and three blower assemblies. WARNING: Make sure to disconnect both power cables to remove all power from the SAN Director 2/128. Table 20: Power. Specifications Specification Value Input Voltage A fully loaded switch requires a maximum of 750 Volt-Amps This results in a main current of 3.2 amps at 240 Vac line voltage or 3.6 amps at 208 Vac line voltage. The rated AC input range is 180 to 264 Vac. Supported Power Range Nominal: 200 to 240 Vac, single phase Input Frequency Range 47-63 Hz Power Supplies (each) Output voltages: 48V at 20 amps; 12V at 4 amps Maximum output power: 1000 watts AC Inrush Current 40A maximum, peak Ride Through The supply outputs remain within specified regulation for a minimum of 20 ms after the AC mains are disconnected. Under Voltage Protection The SAN Director 2/128 power supply self-protects from any input voltage, static or dynamic, from zero volts to its operating ranges. It recovers to normal operation upon returning to its operating range. 166 SAN Director 2/128 Installation Guide
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