Dell S4248FBL-ON Manuel d'installation - Page 34
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The S4200-ON Series (S4248FB-ON and S4248FBL-ON) switch comes from the factory with two PSUs and five fan modules installed in
the switch. The fan modules and the power supplies, which have integrated fans, are hot-swappable.
In addition to the power supply modules, you can order and install fan modules separately.
The S4200-ON Series switch supports two airflow direction options—normal and reverse. All fans and PSUs MUST have the same airflow
direction. If you mix the airflow direction, to avoid heat damage to the switch components, you must correct the mixed airflow direction.
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Airflow is from the I/O panel to the PSU—normal.
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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:
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Components
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Fan module installation
Components
The following are the S4200-ON Series (S4248FB-ON and S4248FBL-ON) fan components.
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S4200-ON Series Fan module
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S4200-ON Series Fan module—Reverse flow
Figure 19. S4200-ON Series fan modules
1
Fan modules
34
Fans
7
Fans