Cisco 2960 8TC - Catalyst Switch Başlangıç Kılavuzu - Sayfa 10
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Before You Begin
When you determine where to install the switch, verify that these guidelines are met:
• Airflow around the switch and through the
vents is unrestricted.
We strongly recommend that you allow
Note
at least 3 inches (7.6 cm) of clearance
around the ventilation openings.
• Temperature around the switch does not
exceed 113°F (45°C).
• Humidity around the switch does not exceed
85 percent.
• Altitude at the installation site is not greater
than 10,000 feet (3,049 meters).
• Do not place any items on the top of the
switch.
• The bottom of the switch might be hot to the
touch if the switch is operating at its
maximum temperature 113°F (45°C) and is in
an environment that exceeds normal room
temperature (such as in a closet, in a cabinet,
or in a closed or multirack assembly).
• Allow at least 1.75 inches (4 cm) of clearance
above each switch in the rack.
• When placing the switch on a flat horizontal
surface without the magnet, we strongly
recommend that you attach the rubber feet to
the switch. Doing so helps prevent airflow
restriction and overheating.
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• Do not stack switches or place switches
side-by-side, unless they are separated all
around by at least 3 inches (7.6 cm) of
clearance from each other.
• Do not wall-mount the switch with its front
panel facing up or to the side. We
recommend wall-mounting the switch with
its front panel facing down to prevent
airflow restriction and to provide easier
access to the cables.
• Clearance to the switch front and rear panels
meets these conditions:
Front-panel LEDs can be easily read.
–
Access to ports is sufficient for
–
unrestricted cabling.
AC power cord can reach from the AC
–
power outlet to the connector on the
switch rear panel.
• Cabling is away from sources of electrical
noise, such as radios, power lines, and
fluorescent lighting fixtures.
• For 10/100 and 10/100/1000 ports, the cable
length from a switch to an attached device
cannot exceed 328 feet (100 meters).
• For cable lengths for small form-factor
pluggable (SFP) modules, see the
documentation that shipped with the
module.