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airflow, and ventilation. Make sure that the AC power cord can reach the power connector on the
front panel of a power supply unit from the power outlet.
•
Airflow: On the C9010, airflow is from the right to the left side as you face the switch. Hot air is
expelled from the left side. Ensure that airflow around the switch and through the side vents is
unobstructed and that hot exhaust is not used as air intake on the right side.
•
Temperature: The ambient temperature around the operating switch should not exceed 113°F (45°C).
If the switch is in a closed or multi-rack assembly, the temperature might be higher than normal room
temperature.
•
Cabling: Route the cabling to avoid sources of electrical noise, such as radio transmitters, broadcast
amplifiers, power lines, and fluorescent lighting fixtures. Make sure that the cabling is safely away from
other devices that might damage the cables. If needed, allow 1 RU between devices to provide room
for cabling.
•
Altitude: Altitude at the installation site is below 10,000 feet (3048 m).
•
Humidity: The relative humidity around the operating switch is between 5% and 95% (non-
condensing) with 91°F (33°C) maximum dew point.
•
Dust: Install the switch in an environment as free as possible from dust and foreign conductive
material (such as metal flakes from construction activities). Cooling mechanisms, such as fans in the
switch, can draw dust and other particles inside the chassis, which can result in system malfunction.
C9010 Hardware Description
7
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