Quantum QXS G2 Series, Hardware Installation And Maintenance Manual

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System Overview 23
• 2.5” SFF or 3.5” LFF SAS drives
• 3.5” SATA LFF drives
• A rail kit for rack mounting.
IMPORTANT: To ensure sufficient circulation and cooling throughout the chassis, all PSU slots,
cooling fan slots, RAID controller, and expansion IOM slots must contain a functioning CRU. Do not
replace a faulty CRU until the replacement is available in hand.
5U Chassis Front View
Figure 26 provides an illustration of the front of the 5U84 RAID or expansion chassis (with bezel
installed). Drawer 0 is at the top of the chassis. Drawer 1 is at the bottom of the chassis.
Figure 26
Front of 5U84 RAID or Expansion Chassis
5U Chassis Drive Slots View
Figure 27 provides an illustration of the 5U84 RAID or expansion chassis (drive slots view) with the
drawer open. There are a total of 84 drive slots in the two drawers.
• Drawer 0 has drive slots 0-41 (42 drives can be installed)
• Drawer 1 has drive slots 42-83 (42 drives can be installed)
IMPORTANT: Drawer sideplanes—also known as side cards—can be hot-swapped as
field-replaceable units (FRUs).
However, these FRUs require a special tool, and replacement should be performed by qualified service
personnel only.
Contact your service provider for more information.
1
2
1
Drawer 0 2 Drawer 1