2-2
Catalyst 3750 Switch Hardware Installation Guide
OL-6336-07
Chapter 2 Switch Installation
Preparing for Installation
Warnings
These warnings are translated into several languages in the Regulatory Compliance and Safety
Information for the Catalyst 3750 Switch document that ships with the switch.
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
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
An exposed wire lead from a DC-input power source can conduct harmful levels of electricity. Be sure
that no exposed portion of the DC-input power source wire extends from the terminal block plug.
Statement 122
Warning
Ethernet cables must be shielded when used in a central office environment.
Statement 171
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
Warning
Attach only the following Cisco RPS model to the RPS receptacle:
PWR-RPS2300, PWR675-AC-RPS-N1=.
Statement 370
Warning
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Statement 1001
Warning
Read the installation instructions before connecting the system to the power source.
Statement 1004
