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Chapter 5 Maintaining Your GSS
Maintaining Your Site Environment
5-2
Cisco Global Site Selector 4491 Hardware Installation Guide
78-16356-01
This section discusses various environmental factors that can adversely affect
GSS performance and longevity. It covers:
• Temperature
• Humidity
• Altitude
• Dust and Particles
• Corrosion
• Electrostatic Discharge
• Electromagnetic and Radio Frequency Interference
• Magnetism
• Power Source Interruptions
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 and cause expansion
and contraction of disk drive platters, resulting in read or write data errors.
To minimize the negative effects of temperature on GSS performance, follow
these guidelines:
• Ensure that the GSS is operated in an environment no colder than 32°F (0°C)
or hotter than 104°F (40°C).
• Ensure that the GSS has adequate ventilation. Do not place it within a
closed-in wall unit or on top of cloth, which can act as insulation. Do not
place it in direct sunlight. Do not place it next to a heat source of any kind,
including heating vents during winter.