LaCie 12big Rack Fibre 8 System OverviewUser Manual page 71. System Overview1.1. LaCie 12big Rack Fibre 8EnclosureThe LaCie 12big Rack Fibre 8 enclosure is a 2U (rack space) diskdrive enclosure, housing twelve low profile (1 inch high), 3.5 inchform factor SATA or SAS disk drives and up to two FC-SAS RAIDControllers. The storage system is compliant with the Storage BridgeBay (SBB) specification.The front of the enclosure contains 12 drive slots (Fig. 01), each ofwhich accommodates a plug-in drive carrier module. There is alsoan operators panel that provides status LEDs and an alarm silencebutton. The left and right hand side mount moulding covers areremovable to provide access to the front flange fasteners.At the rear (Fig. 02), the 12big Rack Fibre 8 chassis assembly con-tains four plug-in module bays that house the two Power CoolingModules, two 12big Rack Fibre 8 RAID Controller modules, or one12big Rack Fibre 8 RAID Controller module and one Blank I/Omodule for the RAID enclosure; and two Disk I/O modules, or oneDisk I/O module and one Blank I/O module for the Expansion en-closure.Fig. 01 - 12big Rack Fibre 8 and 12big Rack FibreExpansion - Front View is identical for bothenclosuresFig. 02 - LaCie 12big Rack Fibre 8 Enclosure -Rear View (Single Controller Shown)
