Dell PowerConnect B-DCX4S Hardware Reference Guide - Page 103

Facility requirements, Environmental requirements

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Facility requirements A Facility requirements The facility where the PowerConnect B-DCX-4S is in use must meet the following requirements to provide for correct operation: • Adequate supply circuit, line fusing, and wire size, as specified by the electrical rating on the chassis nameplate. • An air flow of at least 250 cubic feet per minute (425 cubic meters per hour) in the immediate vicinity of the PowerConnect B-DCX-4S. • Electrical interference less than the levels stated in the standards listed in Table 15. • The environmental specifications listed in Table 19. • The power specifications listed in Table 20. Furthermore, if the PowerConnect B-DCX-4S will be installed in an EIA rack, ensure the following: • All equipment installed in the rack has a reliable branch circuit ground connection, and does not rely on a connection to a branch circuit, such as a power strip. • The rack is balanced and mechanically secured to provide stability in the event of an earthquake. • Additional equipment does not exceed the rack's weight limits. Environmental requirements Table 19 lists the environmental operating ranges for the PowerConnect B-DCX-4S. The requirements for non-operating conditions are also provided for acceptable storage and transportation environments. TABLE 19 Condition Environmental requirements Acceptable range during operation Acceptable range during nonoperation Ambient temperature Humidity 0 to 40 C outside switch (32 to 104 F) 10% to 85% RH noncondensing, at 40 Celsius, with maximum gradient of 10% per hour -25 to +70 C outside switch (-13 to 158 F) 10% to 90% RH noncondensing, at 70 Celsius Altitude Up to 3 km (10,000 ft.) above sea level 0 to 12 km (40,000 ft.) above sea level Shock 20G, 6ms duration, half-sine wave 33G, 11ms duration, half-sine wave Vibration 0.5G p-p, 5-500 Hz at 1.0 octave/minute 2.0G p-p, 5-500 Hz at 1.0 octave/minute Air flow 250 cu ft/min. (425 cu m/hr) None required Heat dissipation 753 Watts or 2570 BTU/hr Not applicable (Four FC8-48 blades, two CP8 blades, and two CR4S-8 blades) PowerConnect B-DCX-4S Backbone Hardware Reference Manual 89 53-1001808-01

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PowerConnect B-DCX-4S Backbone Hardware Reference Manual
89
53-1001808-01
Facility requirements
A
Facility requirements
The facility where the PowerConnect B-DCX-4S is in use must meet the following requirements to
provide for correct operation:
•
Adequate supply circuit, line fusing, and wire size, as specified by the electrical rating on the
chassis nameplate.
•
An air flow of at least 250 cubic feet per minute (425 cubic meters per hour) in the immediate
vicinity of the PowerConnect B-DCX-4S.
•
Electrical interference less than the levels stated in the standards listed in
Table 15
.
•
The environmental specifications listed in
Table 19
.
•
The power specifications listed in
Table 20
.
Furthermore, if the PowerConnect B-DCX-4S will be installed in an EIA rack, ensure the following:
•
All equipment installed in the rack has a reliable branch circuit ground connection, and does
not rely on a connection to a branch circuit, such as a power strip.
•
The rack is balanced and mechanically secured to provide stability in the event of an
earthquake.
•
Additional equipment does not exceed the rack’s weight limits.
Environmental requirements
Table 19
lists the environmental operating ranges for the PowerConnect B-DCX-4S. The
requirements for non-operating conditions are also provided for acceptable storage and
transportation environments.
TABLE 19
Environmental requirements
Condition
Acceptable range during operation
Acceptable range during nonoperation
Ambient temperature
0
to 40
C outside switch
(32
to 104
F)
-25
to +70
C outside switch
(-13
to 158
F)
Humidity
10% to 85% RH noncondensing, at
40
Celsius, with maximum gradient of
10% per hour
10% to 90% RH noncondensing, at 70
Celsius
Altitude
Up to 3 km (10,000 ft.)
above sea level
0 to 12 km (40,000 ft.)
above sea level
Shock
20G, 6ms duration, half-sine wave
33G, 11ms duration, half-sine wave
Vibration
0.5G p-p, 5-500 Hz at 1.0 octave/minute
2.0G p-p, 5-500 Hz at 1.0
octave/minute
Air flow
250 cu ft/min.
(425 cu m/hr)
None required
Heat dissipation
753 Watts or 2570 BTU/hr
(Four FC8-48 blades, two CP8 blades, and
two CR4S-8 blades)
Not applicable