Fans; Components - Dell S4100–ON Series Installation Manual

The S4100–ON Series (S4128F-ON and S4148F-ON) switch comes from the factory with two PSUs and four fan modules installed in the
chassis. The fan modules and the power supplies are hot-swappable.
NOTE: To run the switch, all slots must have operating fan units. If you do not install a module in each slot, the switch shuts down
in one minute.
In addition to the power supply modules, you can order and install fan modules separately.
NOTE: The S4100–ON Series switch supports two airflow direction options—normal and reverse. All fans and PSUs
the same airflow direction. If you mix the airflow direction, to avoid heat damage to the switch components,
mixed airflow direction .
• Airflow is from the I/O panel to the PSU—normal.
• Airflow is from the PSU to the I/O panel—reverse.
Environmental factors can decrease the amount of time required between fan replacements. Check the environmental factors regularly. An
increase in temperature and 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 fans to
accurately determine replacement intervals.
Topics:
•

Components

• Fan module installation
Components
The following are the S4100–ON Series (S4128F-ON and S4148F-ON) fan components.
• S4100–ON Series Fan module
• S4100–ON Series Fan module—reverse
Figure 19. S4100-ON Series fan modules
1 Fan units
6

Fans

MUST have
you must correct the
Fans 33