Allied Telesis AT-9408LC/SP Series, Руководство по установке

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Chapter 2: Installation
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Selecting a Site
Observe the following requirements when choosing a site for your switch:
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If you plan to install the switch in an equipment rack, check to be sure
the rack is safely secured and will not tip over. Devices in a rack
should be installed starting at the bottom, with the heavier devices
near the bottom of the rack.
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If you are installing the switch on a table, be sure the table is level and
secure.
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The power outlet for the switch should be located near the unit and be
easily accessible.
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The site should provide easy access to the ports on the front of the
switch. This will make it easy for you to connect and disconnect
cables, as well as view the switch’s LEDs.
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To allow proper cooling of the switch, air flow around the unit and
through its vents on the side and rear should be unrestricted.
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Do not place objects on top of the switch.
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Do not expose the switch to moisture or water.
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Make sure that the site is a dust-free environment.
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Use dedicated power circuits or power conditioners to supply reliable
electrical power to the network devices.