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Cisco Catalyst 2950 Hardware Installation Manual page 83

Desktop switch
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Chapter 3
Installation
Do not stack the chassis on any other equipment. If the chassis falls, it can
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cause severe bodily injury and equipment damage.
To comply with safety regulations, mount switches on a wall with the front
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panel facing up.
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.
The plug-socket combination must be accessible at all times because it serves
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as the main disconnecting device.
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.
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When installing the unit, always make the ground connection first and
disconnect it last.
Warning
This equipment is intended to be grounded. Ensure that the host is connected to
earth ground during normal use.
Warning
Before working on equipment that is connected to power lines, remove jewelry
(including rings, necklaces, and watches). Metal objects will heat up when
connected to power and ground and can cause serious burns or weld the metal
object to the terminals.
78-11157-05
Catalyst 2950 Desktop Switch Hardware Installation Guide
Preparing for Installation
3-3

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