Step 1: Prepare the site
Before you install the switch, make sure that the operating environment meets the site
requirements that are listed in the following table.
Table 9. Site requirements
RequirementsCharacteristics
Desktop installations. Provide a flat table or shelf surface.
Rack-mount installations. Use a 19-inch (48.3-centimeter) EIA standard equipment rack
that is grounded and physically secure. You also need the rack-mount kit that is supplied
with the switch.
Mounting
Install the switch in a position that allows you to access the back panel ports and access
the power connector on the back panel. (System and port LEDs are both on the front
panel and back panel.)
Access
Use the AC power cord that is supplied with the switch. Make sure that the AC outlet is
not controlled by a wall switch, which can accidentally turn off power to the outlet and
the switch.
Power source
Route cables to avoid sources of electrical noise such as radio transmitters, broadcast
amplifiers, power lines, and fluorescent lighting fixtures.
Cabling
Temperature. Install the switch in a dry area with an ambient temperature that is as
follows:
•
PoE models. Between 32ºF and 104ºF (0ºC and 40ºC).
•
Non-PoE models. Between 32ºF and 113ºF (0ºC and 45ºC).
Keep the switch away from heat sources such as direct sunlight, warm-air exhausts, hot-air
vents, and heaters.
Operating humidity. The maximum relative humidity of the installation location must
not exceed 90%, noncondensing.
Ventilation. Do not restrict airflow by covering or obstructing air inlets on the sides of
the switch. Keep at least 2 inches (5.08 centimeters) free on all sides for cooling. The
room or wiring closet in which you install the switch must provide adequate airflow.
Operating conditions. Keep the switch at least 6 feet (1.83 meters) away from the nearest
source of electromagnetic noise, such as a photocopy machine.
Environmental
Hardware Installation Guide32Installation
AV Line of Fully Managed Switches M4250 Series
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