Environmental Considerations; Rack Considerations - Brocade Communications Systems Brocade 6520 Hardware Reference Manual

2
Installation and safety considerations

Environmental considerations

For successful installation and operation of the switch, ensure that the following environmental
requirements are met:
•
•
•
•
Table 5
during transportation or storage) conditions.
TABLE 5
Condition
Ambient
temperature
Humidity
Altitude
Shock
Vibration
Air flow
Heat dissipation

Rack considerations

For successful installation and operation of the switch in a rack, ensure the following rack
requirements are met:
•
•
•
8
At a minimum, adequate cooling requires that you install the switch with the intake side, as
indicated by the airflow direction of the fan assemblies, facing the cool-air aisle.
The chassisshow output indicates "Reverse" for non-port side intake and "Forward" for port
side intake.
All equipment in the rack should force air in the same direction to avoid intake of exhaust air.
Airflow requirements outlined in
on the direction of the airflow.
The ambient air temperature does not exceed 40
lists the acceptable environmental ranges for both operating and nonoperating (such as
Environmental requirements
Acceptable during operation
0º to 40ºC (32º to 104ºF)
10% to 85% RH non-condensing, at
40ºC (104ºF)
0 to 3 km (9,842 feet) above sea level
20 G, 6 ms, half-sine wave
0.5 G sine, 0.4 gms random, 5-500 Hz
Port side exhaust -
Maximum - 176.7 cmh (104 cfm)
Nominal - 52.7 cmh (31 cfm)
Port side intake -
Maximum - 185.2 cmh (109 cfm)
Nominal - 56.1 cmh (33 cfm)
1378.5 BTU/hr (no optics configuration)
1706.1 BTU/hr (fully populated port
configuration)
The rack must be a standard EIA rack.
A rack space that is two rack units (2U) high; 8.90 cm (3.50 inches) high and 48.3 cm (19
inches) wide.
There are three rack kit options that accommodate the Brocade 6520, a four-post fixed rack
kit, a two-post Telco rack kit, and a four-post sliding rail rack kit. See their respective
installation manuals for details.
Table 5 must be met. Note that the requirements differ based
° °
C (104
Acceptable during non-operation
-25º to 70ºC (-13º to 158ºF)
10% to 90% RH non-condensing, at 70ºC
(158ºF)
0 to 12 km (39,370 feet) above sea level
33 G, 11 ms, half-sine wave, 3/eg Axis
2.0 G sine, 1.1 gms random, 5-500 Hz
N/A
N/A
F) while the switch is operating.
Brocade 6520 Hardware Reference Manual
53-1002705-01