Allied Telesis AT-x510DP-52GTX - Manual (Page 52)

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.
ˆ 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.
ˆ If you plan to install the switches on a table, check to be sure that
the table is level and stable.
ˆ The power outlet should be located near the switches and be
easily accessible.
ˆ 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.
ˆ 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.
ˆ The site should not expose the switches to moisture or water.
ˆ The site should be a dust-free environment.
ˆ The site should include dedicated power circuits or power
conditioners to supply reliable electrical power to the network
devices.
ˆ 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.