Cisco Catalyst 3560 Hardware Installation Manual page 63

Chapter 3 Switch Installation
The plug-socket combination must be accessible at all times, because it serves
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as the main disconnecting device.
This equipment is intended to be grounded. Ensure that the host is connected to
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earth ground during normal use.
When installing or replacing the unit, the ground connection must always be
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made first and disconnected last.
To prevent the switch from overheating, do not operate it in an area that
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exceeds the maximum recommended ambient temperature of 113°F (45°C). To
prevent airflow restriction, allow at least 3 inches (7.6 cm) of clearance around
the ventilation openings.
Do not work on the system or connect or disconnect cables during periods of
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lightning activity.
Ultimate disposal of this product should be handled according to all national
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laws and regulations
If a redundant power system (RPS) is not connected to the switch, install an RPS
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connector cover on the back of the switch.
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Catalyst 3560 Switch Hardware Installation Guide
Preparing for Installation
3-3