QXS-324/424 12G System Specifications 29
Power Supply Unit (PSU)
Figure 31 provides and illustration of the PSU used in the RAID chassis and the expansion chassis.
They are identical in the 12-drive and 24-drive chassis. Figure 31 shows an example of a PSU oriented
for use in the left PSU Slot 0 of the RAID or expansion chassis.
Figure 31 PSU
QXS-324/424 12G RAID and Expansion Physical
Requirements
The floor space at the installation site must be strong enough to support the combined weight of the
rack, RAID chassis, expansion chassis, and any additional equipment. The site also requires sufficient
space for installation, operation, and servicing of the chassis, together with sufficient ventilation to
allow a free flow of air to all chassis.
Composition
The RAID chassis and expansion chassis is comprised of sheet steel that is bonded together using
rivets, welding, and other forced contact methods. The metal surfaces are free from non-conductive
coatings and paint.
3
4
1
5
2
6
7
1
Fan Fail LED
2
AC Fail LED
3
PSU OK LED
4
DC Fail LED
5
Release/Lock Handle
6
Power Connect
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