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Catalyst 3550 Switch Hardware Installation Guide
OL-6155-01
Chapter 2 Switch Installation
Preparing for Installation
Warning
Installation of the equipment must comply with local and national electrical codes.
Statement 1074
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.
Statement 43
Warning
Do not stack the chassis on any other equipment. If the chassis falls, it can cause severe bodily injury
and equipment damage.
Statement 48
Warning
The plug-socket combination must be accessible at all times because it serves as the main
disconnecting device.
Statement 66
Warning
This equipment is intended to be grounded. Ensure that the host is connected to earth ground during
normal use.
Statement 39
Warning
To prevent the switch from overheating, do not operate it in an area that 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.
Statement 17B
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last.
Statement 1046
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
Warning
If a redundant power system (RPS) is not connected to the switch, install an RPS connector cover on
the back of the switch.
Statement 265
Warning
To comply with safety regulations, mount switches on a wall with the front panel facing up.
Statement 266