The S4810 comes from the factory with one power supply and two fan modules installed in the chassis. Both the fan module and the integrated fan power supply are hot-swappable if a second (redundant) power supply is installed and running. With redundant power supplies, traffic will not be interrupted if a fan module is removed. In addition to the integrated fan power-supply modules, fan modules can be ordered separately and additional modules can be inserted in the chassis.
The S4810 system fans are supported with two air-flow options. Be sure to order the fans that are suitable to support proper ventilation for your site. Use a single type of fan in your system. Do not mix Reverse and Normal air-flows in a single chassis. The system will shut down in one minute if the airflow directions are mismatched.
Air-flow options:
So if you want to use S4810 as a top of rack switch for servers in the server rack you probably want to have ports (I/O panel) on the rear of the rack to simplify cable management. The reversed air-flow option is the way to go for this use case.
The S4810 system fans are supported with two air-flow options. Be sure to order the fans that are suitable to support proper ventilation for your site. Use a single type of fan in your system. Do not mix Reverse and Normal air-flows in a single chassis. The system will shut down in one minute if the airflow directions are mismatched.
Air-flow options:
- Normal is airflow from I/O panel to power supply
- Reversed is airflow from power supply to I/O panel
So if you want to use S4810 as a top of rack switch for servers in the server rack you probably want to have ports (I/O panel) on the rear of the rack to simplify cable management. The reversed air-flow option is the way to go for this use case.
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