CAUTION
Do not install the device in an environment where the operating ambient temperature might exceed 40°C (104°F).
CAUTION
Make sure the airflow around the front, and back of the device is not
restricted.
CAUTION
Never leave tools inside the chassis.
Lifting precautions
DANGER
Make sure the rack housing the device is adequately secured to prevent it from becoming unstable or falling over.
DANGER
Mount the devices you install in a rack as low as possible. Place the heaviest device at the bottom and progressively place
lighter devices above.
CAUTION
To prevent damage to the chassis and components, never attempt to lift the chassis using the fan or power supply handles.
These handles were not designed to support the weight of the chassis.
Power precautions
CAUTION
Use a separate branch circuit for each power cord, which provides redundancy in case one of the circuits fails.
CAUTION
Ensure that the device does not overload the power circuits, wiring, and over-current protection. To determine the
possibility of overloading the supply circuits, add the ampere (amp) ratings of all devices installed on the same circuit as the
device. Compare this total with the rating limit for the circuit. The maximum ampere ratings are usually printed on the
devices near the input power connectors.
CAUTION
Carefully follow the mechanical guides on each side of the power supply slot and make sure the power supply is properly
inserted in the guides. Never insert the power supply upside down.
NOTE
Power supplies are hot swappable.
CAUTION
Remove the power cord from a power supply before you install it in or remove it from the device. Otherwise, the power
supply or the device could be damaged as a result. (The device can be running while a power supply is being installed or
removed, but the power supply itself should not be connected to a power source.)
Installation precautions
ExtremeSwitching CES 2000 Series and ExtremeRouting CER 2000 Series Hardware Installation Guide
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