CHAPTER 2
Preparing the Site
• Temperature Requirements, on page 5
• Humidity Requirements, on page 5
• Altitude Requirements, on page 5
• Dust and Particulate Requirements, on page 6
• Minimizing Electromagnetic and Radio Frequency Interference, on page 6
• Shock and Vibration Requirements, on page 7
• Grounding Requirements, on page 7
• Planning for Power Requirements, on page 7
• Airflow Requirements, on page 9
• Rack and Cabinet Requirements, on page 9
• Clearance Requirements, on page 10
Temperature Requirements
The switch requires an operating temperature of 32 to 104 degrees Fahrenheit (0 to 40 degrees Celsius). If
the switch is not operating, the temperature must be between –40 to 158 degrees Fahrenheit (–40 to 70 degrees
Celsius).
Humidity Requirements
High humidity can cause moisture to enter the switch. Moisture can cause corrosion of internal components
and degradation of properties such as electrical resistance, thermal conductivity, physical strength, and size.
The switch is rated to withstand from 5- to 95-percent (noncondensing) relative humidity.
Buildings in which the 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 switch equipment. However, if the
switch is located in an unusually humid location, use a dehumidifier to maintain the humidity within an
acceptable range.
Altitude Requirements
Altitude rating is based on power supply installed; see critical components list in the system CB report for
altitude rating.
Cisco Nexus 93108TC-FX ACI Mode Hardware Installation Guide
5
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