Chapter 2 Installation - Cisco Catalyst WS-C2924-XL Hardware Installation Manual

Preparing for Installation
Only trained and qualified personnel should be allowed to install or replace this
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equipment.
Read the installation instructions before you connect the system to its power
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source.
Before working on equipment that is connected to power lines, remove jewelry
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(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.
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.
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.
Warning The device is designed to work with TN power systems.
When installing the unit, the ground connection must always be made first and
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disconnected last.
Catalyst 2900 Series XL Hardware Installation Guide
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Chapter 2 Installation
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