Equipment Rack Specifications - Cisco CRS-1 Site Planning Manual

Chapter 3 Technical and Environmental Specifications
Table 3-3

Equipment Rack Specifications

Rack Dimensions
Height
Width
Depth
Equipment Rack Specifications (continued)
Load (weight) rating
Chassis and rack footprint
(floor contact area)
Maximum floor loading
OL-5802-09
8-Slot Line Card Chassis and Equipment Rack Specifications (continued)
Available aperture in rack for two chassis in a single rack:
78.6 in. (199.6 cm)
•
Vertical posts:
19.5 in. (49.5 cm) inside-to-inside minimum
•
23.6 in. (60.0 cm) outside-to-outside maximum
•
Exterior of four-post rack:
Optimal: 27 in. (68.6 cm), for best access to mounting hardware
•
Optional: 30, 36, or 42 in. (76.2, 91.4, or 106.7 cm) and other
•
standard depths allowed, allow less space for cable management
The rack must support the following weights and specifications:
650 lb. (294.8 kg) single chassis with full cosmetics
•
• 1300 lb. (589.7 kg) two chassis, each with full cosmetics
95 lb. (43.0 kg) or more for each chassis for cabling
•
Additional weight of other components in rack
•
ANSI specification T1.336 (2003), which defines static load
Note
and safety margins, recommends that racks be designed to
support at least two times the anticipated load.
See ANSI specification T1.329 (2002) for dynamic load
Note
requirements and earthquake resistance specifications.
5.9 sq. ft. (0.55 sq. m), 23.6 in. rack width by 36 in. chassis length
(60 cm rack width by 91.4 cm chassis length)
600 lb/4.5 sq. ft. = 133 lb/sq. ft. (without cosmetics)
272.2 kg/4134.2 sq. cm = 0.07 kg/sq. cm
650 lb/4.9 sq. ft. = 132.7 lb/sq. ft. (with cosmetics)
294.8 kg/4580.1 sq. cm = 0.06 kg/sq. cm
Be sure to include the weight of the rack when you consider
Note
floor loading requirements. The above numbers do not
include rack weight.
Cisco CRS Carrier Routing System 8-Slot Line Card Chassis Site Planning Guide
Equipment Rack Specifications
3-5