A system may include a reversible fan module that creates an airflow. The reversible fan module may include a set of attachment members, disposed on a face of the reversible fan module, that secure the reversible fan module a first orientation or a second orientation. The system may further include
A system may include a reversible fan module that creates an airflow. The reversible fan module may include a set of attachment members, disposed on a face of the reversible fan module, that secure the reversible fan module a first orientation or a second orientation. The system may further include a chassis that include a divider that divides an interior region of the chassis into a front compartment and a rear compartment, a window, disposed on the divider, that allows airflow between the front compartment and the rear compartment, a first opening in the chassis that opens the front compartment to a first external region, a second opening in the chassis that opens the rear compartment to a second external region, and a bay that receives the reversible fan module.
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1. A system, comprising: a reversible fan module that creates an airflow, comprising: a set of attachment members, disposed on a face of the reversible fan module, adapted to secure the reversible fan module in one selected from a group consisting of a first orientation and a second orientation,a ch
1. A system, comprising: a reversible fan module that creates an airflow, comprising: a set of attachment members, disposed on a face of the reversible fan module, adapted to secure the reversible fan module in one selected from a group consisting of a first orientation and a second orientation,a chassis, comprising: a divider that divides an interior region of the chassis into a front compartment and a rear compartment,a window, disposed on the divider, that allows airflow between the front compartment and the rear compartment,a first opening in the chassis that opens the front compartment to a first external region,a second opening in the chassis that opens the rear compartment to a second external region,a bay adapted to receive the reversible fan module,a first power supply module, disposed in the rear compartment, adapted to be cooled by at least one selected from a group consisting of a forward airflow and a reverse air flow,a second power supply module, disposed in the rear compartment, adapted to be cooled by at least one selected from the group consisting of the forward airflow and the reverse air flow, anda set of attachment receptacles adapted to mate with the set of attachment members,wherein when the reversible fan module is received in the first orientation, the forward airflow is directed into the first opening, through the front compartment, into the rear compartment, through the second power supply module, through the reversible fan module, through the first power supply module, and out of the second opening,wherein when the reversible fan module is received in the second orientation, the reverse airflow is directed into the second opening, into the rear compartment, through the first power supply module, through the reversible fan module, through the second power supply module, into the front compartment, and out of the first opening. 2. The system according to claim 1, wherein the reversible fan module further comprises: at least two fan units,a sub-air channel associated with one of the at least two fan units, andan airflow activated closing element that closes the sub-air channel in response to a counter airflow. 3. The system according to claim 2, wherein the counter airflow occurs in response to an inactivity of the one of the at least two fan units. 4. The system according to claim 1, wherein the reversible fan module is powered by at least one selected from a group consisting of the first power supply module and the second power supply module when in the bay. 5. The system according to claim 1, wherein the location of the first opening on the front side, the location of the window on the divider, and the location of the second opening on the rear side cause the forward airflow and the reverse airflow to cool the front compartment and the rear compartment. 6. The system of claim 1, wherein the system is a network device. 7. A method of reversing the flow of air in a chassis, comprising: inserting a reversible fan module in a first orientation in a bay of a chassis comprising a single airflow path;activating the reversible fan module when the reversible fan module is in the first orientation;causing, by the activated reversible fan module in the first orientation, a forward airflow in a first direction along the single airflow path, wherein the forward airflow cools at least one power supply module that supplies power to the reversible fan module;removing the reversible fan module from the bay;inserting the reversible fan module in a second orientation in the bay;activating the reversible fan module when the reversible fan module is in the second orientation; andcausing, by the activated reversible fan module in the second orientation, a reverse airflow in a second direction along the single airflow path, wherein the reverse airflow cools at least one power supply module that supplies power to the reversible fan module. 8. The method of claim 7, wherein the forward airflow and reverse airflow are perpendicular to a removal direction of the reversible fan module. 9. A reversible fan module, comprising: a set of attachment members, disposed on a face of the reversible fan module, adapted to secure the reversible fan module in one selected from a group consisting of a first orientation and a second orientation,at least two fan units that cause a forward airflow when the reversible fan module is in the first orientation and a reverse airflow when the reversible fan module is in the second orientation,a sub-air channel associated with one of the at least two fan units, andan airflow activated closing element that closes the sub-air channel in response to a counter airflow. 10. The reversible fan module of claim 9, further comprising: a handle disposed on a side of the reversible fan module opposite of the set of attachment members. 11. The reversible fan module of claim 9, wherein the at least two fan units are adapted to receive power from an external power supply.
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