Chapter 5 Maintaining Your AVS 3120
Maintaining Your Site Environment
Temperature
Temperature extremes can cause a variety of problems, including premature aging and failure of chips or mechanical failure of devices. Extreme temperature fluctuations can cause chips to become loose in their sockets.
To minimize the negative effects of temperature on AVS 3120 performance, follow these guidelines:
•Ensure that the AVS 3120 operates in an environment no colder than 32°F (0°C) or hotter than 104°F (40°C).
•Ensure that the AVS 3120 has adequate ventilation. Do not place it within a
Adequate ventilation is particularly important at high altitudes. AVS 3120 performance may not be optimum when operating at high temperatures as well as high altitudes.
•Ensure that all slots and openings on the AVS 3120 remain unobstructed, especially the fan vent on the back of the AVS 3120.
•Clean the AVS 3120 at regular intervals to avoid any buildup of dust and debris, which can cause it to overheat.
•If the AVS 3120 has been exposed to abnormally cold temperatures, allow a
Humidity
Each AVS 3120 is rated to operate at 8 to 80 percent relative humidity, with a humidity gradation of 10 percent per hour. 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 the AVS 3120.
However, if an AVS 3120 is located in an unusually humid location, use a dehumidifier to maintain the humidity within an acceptable range.
Altitude
Operating an AVS 3120 at high altitude (low pressure) reduces the efficiency of forced and convection cooling and can result in electrical problems related to arcing and corona effects. This condition can also cause sealed components with internal pressure, such as electrolytic capacitors, to fail or perform at reduced efficiency.
The AVS 3120 is for use at a maximum altitude of 9843 feet (3000 meters).
Cisco AVS 3120 Application Velocity System Hardware Installation Guide
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