Apple Xserve RAID User's guide User's Guide download pdf (Page 86)

86 Appendix A

Power Supply Specifications

AC line input

m 450 watt (W) total power capacity for each power supply (system uses a maximum of

450 W total)

m 100–127/200–240 volts (V) AC; 7.6/3.8 amps (A); 50/60 hertz (Hz) per power cord

m Fully redundant, load-sharing

m Hot-swappable

m Monitoring of fan, power, and AC operation

m Power factor correction

Cooling Module Specifications

m Temperature sensor

m 12V operation

m Hot-swappable

m Fan speed monitoring

Battery Module (Optional) Information

You can install two optional battery modules to maintain data in the RAID controller’s cache.

These batteries are available from an Apple-authorized dealer.

m Charges from system’s power supply when installed and system is turned on

m Support for two battery modules

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Apple Xserve RAID User's guide User's Guide Page 86