Chapter 7: Environmental Requirements and Specifications
Physical Requirements
QX and QXS Setup Guide
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address, you then use a remote management host on an Ethernet network to manage and monitor.
Note:
Connections to this device must be made with shielded cables – grounded at both ends – with
metallic RFI/EMI connector hoods, in order to maintain compliance with NEBS and FCC Rules and
Regulations.
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.
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.
Table 64 on the next page and above show chassis dimensions and weights. Chassis designators are
described below. Chassis weights assume the following configuration characteristics:
l
2U12 chassis (LFF):
l
“2U12” denotes the 3.5" QXS-412 chassis (with controller or expansion modules)
l
The 2U12 chassis is equipped with a drive in each drive slot
l
2U24 chassis (SFF):
l
“2U24” denotes the 2.5" QXS-424chassis (with controller or expansion modules)
l
The 2U24 chassis is equipped with a drive in each drive slot
l
2U48 chassis (SFF):
l
“2U48” denotes the 2.5" 48-drive chassis (with controller or expansion modules)
l
The 2U48 chassis includes three installed drawers that must be populated with disks and possibly
AMS inserts if applicable, after the chassis is installed into the rack. The table in this section assumes
each drive slot contains a disk drive module.
l
4U56 chassis (high-capacity with LFF drives)
l
“4U56” denotes the 3.5" 56-drive chassis (with controller or expansion modules)
l
The 4U56 chassis includes two installed drawer slots that must be populated with drives after the
chassis is installed into the rack.
l
Two controller modules or two expansion modules per chassis
l
Two power supplies per chassis
