Infortrend DS 3016 - Psus and Cooling Modules

1-11EonStor DS 3000 Series Hardware Manual
1.4.3 PSUs and cooling modules
The DS 3000 series systems have redundant, hot-swappable PSUs that help with the airow, providing
an efcient ventilation.
Number Part
11
Extraction lever
11
Retention screw
11
Power socket
11
Power switch
11
PSU status LED
11
Cooling module
When the cooling modules operate under normal conditions, the cooling fans run at a low speed. The
cooling fans raise their rotation speed to increase the airow under the following conditions:
• Component failure: If the cooling module, PSU, or temperature failed.
• Elevated temperature: If the temperature breaches the upper threshold set for any of the interior
temperature sensors.
NOTES:
• The PSUs have specic installation orientations for left and right cooling module slots. Refer to the
label at the back of the expansion.
• There are two upper temperature thresholds: one for event notication and the other for triggering
high fan rotation speed.