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    Cooling System and Airflow in an EX3200 Switch

    The cooling system in an EX3200 switch consists of a field-replaceable unit (FRU) fan tray with one fan (see Figure 1). The fan tray is located at the rear of the chassis and provides side-to-rear chassis cooling (see Figure 2).

    Figure 1: Fan Tray Used in an EX3200 Switch

    Fan Tray Used in an EX3200
Switch

    Figure 2: Airflow Through the EX3200 Switch Chassis

    Airflow Through
the EX3200 Switch Chassis

    Temperature sensors in the chassis monitor the temperature within the chassis. The system raises an alarm if the fan fails or if the temperature inside the chassis rises above permitted levels. If the temperature inside the chassis rises above the threshold, the system shuts down automatically and the temperature shutdown LED on the rear panel is lit. You can see the status of fans and the temperature from the Show Environment Status option in the Status menu in the LCD panel.

    Published: 2013-01-30