Cooling with the Fan Tray
The chassis fan tray provides cooling air for the Catalyst 6880-X switch chassis and components. If an
individual fan within the fan tray fails, the Fan Status LED turns red. Individual fans within a fan tray cannot
be replaced; you must replace the entire fan tray.
Refer to your software configuration guide for information on environmental monitoring.
Figure 10: Catalyst 6880-X Switch Internal Air Flow
Related Topics
Installing the Fan Tray, on page 75
Humidity
High-humidity conditions may cause moisture to enter the system, and cause corrosion of internal components
and degradation of properties such as electrical resistance, thermal conductivity, physical strength, and size.
Extreme moisture buildup inside the system may result in electrical short circuit, which may cause serious
damage to the system. Each system is rated to operate at 5 to 90 percent relative humidity, with a humidity
gradation of 10 percent per hour. In storage, a system can withstand 5 to 95 percent relative humidity. Buildings
in which climate is controlled by air-conditioning in the warmer months and by heat during the colder months
usually maintain an acceptable level of humidity for system equipment. However, if a system is located in an
unusually humid location, a dehumidifier should be used to maintain the humidity within an acceptable range.
Catalyst 6880-X Switch Hardware Installation Guide
20 OL-30827-02
Preparing for Installation
Cooling with the Fan Tray
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