System Power Consumption; Heat Dissipation; Environmental Specifications; Noise - HP 10504 Installation Manual

10500 switch series
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System power consumption

The system power consumption of the switch depends on the type and number of cards and the fan tray
power consumption.
The minimum system power consumption is the total static power consumption of all cards plus the
minimum fan tray power consumption. For example, for a 10508 switch that has two LSU1SUPA0
MPUs, two LSU1TGX4EB0 LPUs, two LSU1FAB08A0 switching fabric modules, and one fan tray,
the minimum system power consumption of the switch is 2 × 38 + 2 × 53 + 2 × 68 + 1 1 = 329 W.
The maximum system power consumption is the total dynamic power consumption of all cards plus
the maximum fan tray power consumption. For example, for a 10508 switch that has two
LSU1SUPA0 MPUs, two LSU1TGX4EB0 LPUs, two LSU1FAB08A0 switching fabric modules, and
one fan tray, the maximum system power consumption of the switch is 2 × 50 + 2 × 80 + 2 × 85
+234 = 664 W.

Heat dissipation

Heat dissipation is measured in BTU/h, and 1 W equals 3.4121BTU/h.
The heat dissipation of the switch depends on its 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.
For the power consumption of cards and fan trays, see
consumption."

Environmental specifications

Table 18 Environmental specifications
Description
Temperature
Relative humidity

Noise

The switch uses 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 19 Sound pressure levels
Model
10504
10508
10508-V
Operating
0°C to 45°C (32°F to 113°F)
10% to 95% (non-condensing)
Sound pressure level under
acceptable temperature
62.3 dBA
63 dBA
61.6 dBA
"Module power consumption and system power
64
Non-operating
–40°C to +70°C (–40°F to +158°F)
5% to 95% (non-condensing)
Table
19.
Sound pressure level when the
fan tray operates at full speed
75.5 dBA
75.8 dBA
72.6 dBA

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