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Choosing a Site for the Chassis
Observe these site requirements.
The SBx908 Gen2 Chassis should be installed in a standard 19-
inch equipment rack. It should not be installed on a table, desk, or
wall.
Check that the equipment rack is safely secured so that it will not
tip over. Devices should be installed in the rack starting at the
bottom, with the heavier devices near the bottom of the rack.
The power outlet should be located near the chassis and be easily
accessible.
The site should allow for easy access to the ports on the front of
the switch, so that you can easily connect and disconnect cables,
and view the port LEDs.
The site should allow for adequate air flow around the unit and
through the cooling vents on the front and rear panels. (The
ventilation direction is from front to back, with the fans on the back
panel drawing the air out of the unit.)
The site should not expose the chassis 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.
Twisted pair cabling should not be exposed to sources of electrical
noise, such as radio transmitters, broadband amplifiers, power
lines, electric motors, or fluorescent fixtures.
Switch ports are suitable for intra-building connections, or where
non-exposed cabling is required.
Do not install the chassis in a wiring or utility box because it might
overheat and fail from inadequate airflow.
The power cords included with SBxPWRSYS2 Power Supplies for
100-125 VAC installations have 20 Amp, 125 V NEMA 5-20P plugs
that require NEMA 5-20R receptacles. Refer to Figure 15.
Figure 15. NEMA 5-20P Plug and Receptacle
SBx908 GEN2 Installation Guide for Stand-alone Switches
53
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