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one fan tray, the maximum system power consumption of the switch is 2 × 50 + 2 × 80 + 2 × 85
+234 = 664 W.
Heat dissipation
The heat dissipation of the switch depends on power consumption. To calculate heat dissipation of the
switch, assume 90% power consumption is converted to heat, and the efficiency of the power supply is
90%. Heat dissipation/hour of the switch is 0.9 × (total power consumption of the cards plus power
consumption of the fan tray)/0.9 × 3.4121.
NOTE:
x
For the power consumption of the cards and fan trays of the HP A10500 Switch Series, see
power consumption and system power
x
Heat dissipation is measured in the unit of BTU/h. 1 W = 3.4121BTU/h.
Environmental specifications
Table 25 Environmental specifications for the HP A10500 Switch Series
Description
Temperature
Relative humidity
Altitude
Noise
The HP A10500 Switch Series adopts fans with the automatic speed adjustment function, so the sound
pressure levels are different when the fan speeds are different. For more information, see
Table 26 HP A10500 Switch Series sound pressure levels
Model
A10504
A10508
A10508-V
consumption."
Operating
0°C to 45°C (32°F to 113°F)
10% to 95% (non-condensing)
–60 m to +4 km (–196.85 ft to +2.49 miles)
When the altitude is 4 km, the highest operating
temperature is 31.8°C (89.24°F). The
maximum operating temperature increases
0.33°C (0.59°F)/100 m (328.08 ft)
downwards until 45°C (113°F) is reached.
Sound pressure level under
normal temperature
62.3 dBA
63 dBA
61.6 dBA
62
Non-operating
–40°C to +70°C (–40°F to +158°F)
5% to 95% (non-condensing)
–60 m to +4.5 km (–196.85 ft to
+2.80 miles)
Sound pressure level when the
fan tray operates at full speed
75.5 dBA
75.8 dBA
72.6 dBA
"Module
Table
26.
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