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Galaxy 65 User Guide
2
1.2 The Enclosure Core Product
The Galaxy 65 design concept is based on a Subsystem together with a set of plug-in modules. The
Galaxy 65 Subsystem as supplied comprises:
• Chassis and Backplane with integral Operators Panel.
• Power Supply/Cooling plug-in modules, auto-ranging, 475W, AC (see Figure 1–5)
• FC-AL Drive Carrier Modules and associated dummy carrier modules (See Figure 1–10).
• FC-AL LRC 2Gb/s Input/Output Modules with integrated Rorke Data Galaxy 65 RAID controllers,
known as Storage Managers.(See Figure 1–8).
1.2.1 Enclosure Chassis
The chassis consists of a sheet metal enclosure assembly containing a Backplane PCB and module
runner system. This chassis assembly also includes an integral Operators (Ops) Panel mounted at the
rear.
The chassis assembly contains 16 drive bays at the front, each of which accommodates a plug-in drive
carrier module. The 16 drive bays are arranged in 4 rows of 4 drives. At the rear, the chassis assembly
contains 5 module bays to house two Power Supply/Cooling modules, two LRC I/O modules and the
integral Ops panel.
The Backplane PCB provides logic level signal and low voltage power distribution paths. Figure 1–2 and
Figure 1–3 show front and rear views of an Galaxy 65 chassis respectively.
The 4 x 4 chassis is fitted with 19 inch Rack mounting features which enables it to be fitted to standard
19 inch racks and uses 3EIA units of rack space.
• A Bay is defined as the space required to house a single 1.0" high 3.5 inch disk drive in its carrier
module. e.g. a 1 x 4 bay module would take the space of 1 drive width by 4 drive bays high (in rack
mount configuration).
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Figure 1–2 Galaxy 65 Enclosure Chassis (Front)