HP Switch Fan Assemblies - Manual (Page 7)

4
(3) Air flow sign (4) This side up sign
The switch provides a LED on the power side panel for each fan tray to
indicate the operating status of the fan tray. When the switch is running,
the LED can have the following states:
• Green—The fan tray is operating correctly.
• Red—No fan tray is installed or the fan tray is faulty.
Front-to-back airflow fan tray specifications
Table 2 Front-to-back airflow fan tray specifications
Item Specification
Number of fans
Five 40 Ч 40 Ч 56 mm (1.57 Ч 1.57 Ч 2.20
in) fans
Air flow direction From the switch port side to the power side
Max fan speed 22100 revolutions per minute (R.P.M.)
Max air volume 105 cubic foot per minute (CFM)
Max power
consumption
130 W
Min power
consumption
18 W
Voltage 12 V