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Chapter 3: Beginning the Installation
52
Choosing a Site for the Switches
Observe these requirements when planning the installation of the switches
of a stack.
If you plan to install the switches in an equipment rack, check to be
sure that the rack is safely secured so that it 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.
If you plan to install the switches on a table, check to be sure that
the table is level and stable.
The power outlet should be located near the switches and be
easily accessible.
The site should allow for easy access to the ports on the front of
the switches, so that you can easily connect and disconnect
cables, and view the port LEDs.
The site should allow for adequate air flow around the units and
through the cooling vents on the front and rear panels. If you have
AT-PWR100R or AT-PWR250R-DC power supplies, the ventilation
direction is from back to front, with air coming out of the front vent.
If you have AT-PWR250 power supplies, the ventilation direction is
from front to back, with the fan on the back panel drawing the air
out of the unit.
The site should not expose the switches to moisture or water.
The site should be a dust-free environment.
The site should include dedicated power circuits or power
conditioners to supply reliable electrical power to the network
devices.
Do not install the switches in a wiring or utility box because they
will overheat and fail from inadequate airflow.
Warning
Switches should not be stacked on top of one another on a table or
desktop because that could present a personal safety hazard if you
need to move or replace switches.