Site preparations
The S4048–ON is suitable for installation as part of a common bond network (CBN).
You can install the system in:
• Network telecommunication facilities
• Data centers
• Other locations where the National Electric Code (NEC) applies
For more information about S4048–ON specications, see Specications.
NOTE: Install the S4048–ON system into a rack or cabinet before installing any optional components.
Topics:
• Site selection
• Cabinet placement
• Rack mounting
• System ground
• Fans and airow
• Power
• Storing components
Site selection
Install Dell equipment in restricted access areas.
A restricted access area is one in which service personnel can only gain access using a special tool, lock, key or other means of security and
access is controlled by the authority responsible for the location.
Ensure that the area where you install your S4048–ON system meets the following safety requirements:
• Near an adequate power source. Connect the system to the appropriate branch circuit protection as dened by your local electrical
codes.
• Environmental temperature between 32° to 113°F (from 0° to 45°C).
• The switch operating ambient temperature range is from 10° to 35°C (from 50° to 95°F).
• Operating humidity is from 5 to 85 percent non-condensing.
• Storage humidity is from 5 to 95 percent non-condensing.
• In a dry, clean, well-ventilated and temperature-controlled room, away from heat sources such as hot air vents or direct sunlight.
• Away from sources of severe electromagnetic noise.
• Positioned in a rack or cabinet, or on a desktop with adequate space in the front, rear, and sides of the S4048–ON for proper
ventilation and access.
Cabinet placement
Install the S4048–ON only in indoor cabinets designed for use in a controlled environment.
Do not install the S4048–ON in outside cabinets. For cabinet placement requirements, see Site Selection.
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12 Site preparations
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