Cabinet Height - Quantum QXS-312 Site Planning Manual

NOTE: Install the applicable storage rack on the cabinet support rails, then install the
chassis/expansion storage unit, and then populate the unit with applicable drives (HDDs or SSDs).
Ensure to place the cabinet in a location that allows sufficient space to maintain and service (remove
and replace parts) the applicable units within the cabinet.

Cabinet Height

Cabinets heights might vary. A common cabinet is 40U high.
• A height of 1U equals 1.75-inches (44.45-mm).
• So, a 40U cabinet will have 70 inches (1778 mm/1.778 km) of storage space.
Figure 4 provides a standard cabinet identifying components (callouts) in the front and rear of the
unit. Callout descriptions are provided below the illustration.
1 Ventilation cover
3 Rear plate
5 Vertical support rails
7 Stability foot
9 Power distribution
11 Front of cabinet
4 QXS Site Planning Guide
Figure 4 Front and Rear View of Cabinet
2
1
4
5
6
7
11
2 Cable access opening
4 Support rails
6 Mounting rails
8 Leveling feet (variable adjust)
10 AC power entry boxes
12 Rear of cabinet
3
1
2
2
3
9
10
8
12
8