Cisco 3750 User Manual

Page 20

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2-2

Catalyst 3750 Metro Switch Hardware Installation Guide

OL-9160-02

Chapter 2 Switch Installation

Preparing for Installation

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

Ethernet cables must be shielded when used in a central office environment. Statement 171

Warning

To comply with safety regulations, mount switches on a wall with the front panel facing up.
Statement 266

Warning

Suitable for mounting on or over concrete or other non-combustible surface only. Statement 345

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

Warning

This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
the protective device is rated not greater than:
15 A, 80 Vdc
Statement 1005

Warning

To prevent bodily injury when mounting or servicing this unit in a rack, you must take special
precautions to ensure that the system remains stable. The following guidelines are provided to
ensure your safety:

This unit should be mounted at the bottom of the rack if it is the only unit in the rack.

When mounting this unit in a partially filled rack, load the rack from the bottom to the top with the heaviest
component at the bottom of the rack.

If the rack is provided with stabilizing devices, install the stabilizers before mounting or servicing the unit in
the rack.

Statement 1006

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