Site preparations
The S5448F-ON switch is suitable for installation as part of a common bond network (CBN).
You can install the switch in:
● Network telecommunication facilities
● Data centers
● Other locations where the National Electric Code (NEC) applies.
CAUTION: To avoid tangling cables or damaging optics, install the switch into a rack or cabinet before installing
any switch components.
Topics:
• Site selection
• Cabinet placement
• Rack mounting
• Switch ground
• Fans and airflow
• Power
• Storing components
Site selection
Install the switch 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. The authority responsible for the location controls access to the restricted area.
Ensure that the area where you install your switch meets the following safety requirements:
● Near an adequate power source. Connect the switch to the appropriate branch circuit protection according to your local
electrical codes.
● Switch environmental temperature range is from 0° to 45°C (32° to 113°F).
● Relative humidity is 5 to 90 percent noncondensing.
● 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
● Inside the restricted access area that is positioned in a rack or cabinet, or on a desktop with adequate space in the front,
back, and sides for proper ventilation and access
● Install in Information Technology Rooms in accordance with Article 645 of the National Electrical Code and NFPA 75.
● Install in an environment that meets all region- or country-specific occupational safety and health requirements.
For more information about switch storage and environmental temperatures, see Specifications.
Cabinet placement
Install the S5448F-ON switch only in indoor cabinets that are designed for use in a controlled environment.
Do not install the switch in outside cabinets. For cabinet placement requirements, see Site selection.
The cabinet must meet minimum size requirements. Airflow must be in accordance with the Electronic Industries Alliance (EIA)
standard. Ensure that there is a minimum of 12.7 cm (5 inches) between the intake and exhaust vents and the cabinet wall.
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Site preparations 13
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