20
GS748T Gigabit Smart Switch
Step 1: Prepare the Site
Before you install the switch, ensure the operating environment meets the site requirements
in the following table.
Characteristics Requirements
Mounting • Desktop installations - Provide a flat table or shelf surface.
• Rackmount installations - Use a 19-inch (48.3-centimeter) EIA standard equipment
rack that is grounded and physically secure. The rackmount kit supplied with the
switch is also required.
Access Locate the switch in a position that allows access to the front-panel RJ-45 ports, view the
front-panel LEDs, and access the power connector.
Power source Provide a power connection cord. Power specifications for the switch are shown in
Appendix A
. Ensure the AC outlet is not controlled by a wall switch, which can
accidentally turn off power to the outlet and the switch.
Environmental • Temperature - Install the switch in a dry area, with ambient temperature between 0
and 50ºC (32ºF and 122ºF). Keep the switch away from heat sources such as direct
sunlight, warm air exhausts, hot-air vents, and heaters.
• Operating humidity - The installation location should have a maximum relative
humidity of 90%, non-condensing.
• 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.
Be sure there is adequate airflow in the room or wiring closet where the switch is
installed.
• Operating conditions - Keep the switch at least 6 ft. (1.83 meters) away from
nearest source of electromagnetic noise, such as a photocopy machine.
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