Management: Installing Array Components 211Installing the RAID Controller Module Backup Battery UnitCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service andsupport team. Damage due to servicing that is not authorized by Dell is not coveredby your warranty. Read and follow the safety instructions that came with theproduct.1 Align the backup battery unit with the slots on the RAID controllermodule.2 Slide the backup battery unit toward the connector on the RAID controllermodule.3 Tighten the screw that secures the backup battery unit to the RAIDcontroller module.4 Close the RAID controller module. See "Closing the RAID ControllerModule" on page 209.5 Replace the RAID controller module. See "Installing a RAID ControllerModule" on page 208.6 Connect all the cables to the array.7 Turn on the array and the host server.Power Supply/Cooling Fan ModuleThe array supports two hot-swappable power supply/cooling fan modules.While the array can operate temporarily with one module, both the modulesmust be present for proper system cooling.CAUTION: A single power supply/cooling fan module can be removed from apowered-on array for a maximum period of five minutes. Beyond that time, thearray may automatically shut down to prevent damage.Removing a Power Supply/Cooling Fan ModuleCAUTION: Many repairs may only be done by a certified service technician. Youshould only perform troubleshooting and simple repairs as authorized in yourproduct documentation, or as directed by the online or telephone service and1 backup battery unit 2 screw
