Fans | 37
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Fans
The S4810 comes from the factory with one power supply unit (PSU) and two fan modules installed in
the chassis. If two or more fans are installed and running, the fan modules and the integrated fan-power
supply are hot-swappable.
NOTE: To run the system, both slots must have operating fan units. If a module is not installed in each slot
(either as part of the PSU or as an independent fan module), the system shuts down in one minute.
In addition to the integrated fan/power supply modules, you can order and install fan modules separately.
The S4810 supports two airflow direction options. Do not mix airflow types in a chassis; you can use
only a single airflow direction in a chassis. If the airflow directions are mismatched, the S4810 powers
down in one minute.
• Normal—airflow is from the I/O panel to the PSU
• Reversed—airflow is from the PSU to the I/O panel
Environmental factors can decrease the amount of time required between fan replacements. Check the
environmental factors regularly. An increase in temperature and/or particulate matter in the air might
affect performance (for example, new equipment installation).
CAUTION: Check the fans at six-month intervals and replace them as necessary. Regularly monitor the
speeds of the cooling fans in order to accurately determine replacement intervals.
Components
• S4810 Fan module (Force10 Catalog# S4810P-FAN | Dell Part # GCMX5)
• S4810 Fan module - Reverse flow (Force10 Catalog# S4810P-FAN-R | Dell Part # YTPNC)
Figure 6-1. S4810 Fan Modules
PSU0
PSU1
Fan Module 0
Fan Module 1
Grab Handles
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