Reference Guide

7.8
3PAR InServ E-Class/F-Class Storage Server Physical Planning Manual
7.3.3 Maintaining Minimum Clearances
Proper clearances should be maintained for all third-party rack mounted installations to allow
for proper ventilation, cabling and access for maintenance.
Table 7-1 shows the minimum clearance that should be maintained for third-party rack
installations:
Table 7-1. Minimum Clearances for Third-Party Racks
Minimum Clearances
Service Front: 30 in. (76.2 cm)
Rear: 30 in. (76.2 cm) x 19" (50.8 cm) unobstructed clearance directly
behind the chassis. See Chapter 4 Providing for Service Access on
page 4.12.
Sides: n/a
Ventilation Front: 12 in. (30.5 cm)
Rear: 12 in. (30.5 cm)
Sides: n/a
Neither vented floor tiles nor raised flooring are required.
Doors: Cabinet doors must be at least 1.5 in. (3.81 cm) away from the
front and rear of the enclosures and be perforated with a minimum
50 percent open pattern across the entire surface.
Cabling Front: n/a
Rear: 30 in. (76.2
cm) total clearance
Sides: n/a