203. Installation Flow ......................................................................................................................... 434. Checking Contents in Package .................................................................................................. 445. Names and Functions of Sections.............................................................................................. 456. Notes.......................................................................................................................................... 466-1. Notes on Installation ........................................................................................................... 466-2. Notes on Operation............................................................................................................. 46Chapter 2 Installing BBU ......................................................................................................471. Installation Procedure................................................................................................................. 471-1. Checking Cable .................................................................................................................. 471-2. Putting Setup Date Label.................................................................................................... 481-3. Installing BBU in Disk Array Controller................................................................................ 481-4. Connecting Cable ............................................................................................................... 492. Checking by Utility...................................................................................................................... 503. Reconditioning the battery (Learn Cycle) ................................................................................... 54Chapter 3 Operation and Maintenance ................................................................................571. Maintenance Service.................................................................................................................. 572. Preventive Maintenance............................................................................................................. 572-1. Preventive Maintenance of BBU......................................................................................... 572-2. Life of BBU ......................................................................................................................... 573. BBU Replacement Procedure .................................................................................................... 58