Appendix B Maintaining the Wide Area Virtualization Engine
Maintaining Your Site Environment
•Clean the system at regular intervals to avoid any buildup of dust and debris, which can cause a system to overheat.
•If the system has been exposed to abnormally cold temperatures, allow a
•If intermittent system failures are noticed, try reseating any socketed chips, which might have become loose because of temperature fluctuations.
Humidity
Each system is rated to operate at 20 to 85 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 system equipment. However, if a system is located in an unusually humid location, a dehumidifier can be used to maintain the humidity within an acceptable range.
Altitude
Operating a system 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.
Each system is designed to operate at a maximum altitude of 6500 feet (2000 meters) and can be stored at a maximum altitude of 30000 feet (9144 meters).
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