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Catalyst 3550 Switch Hardware Installation Guide
OL-6155-01
Chapter 2 Switch Installation
Preparing for Installation
Warning
The Catalyst 3550-24-DC contains no field-replaceable units (FRUs). Do not open the chassis or
attempt to remove or replace any components. For information about obtaining service for this unit,
contact your reseller or Cisco sales representative.
Statement 121B
Warning
This unit is intended for installation in restricted access areas. A restricted access area can be
accessed only through the use of a special tool, lock and key, or other means of security.
Statement 1017
Warning
Ethernet cables must be shielded when used in a central office environment.
Statement 171
Warning
Before performing any of the following procedures, ensure that power is removed from the DC circuit.
Statement 1003
Warning
Class 1 laser product.
Statement 1008
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
Voltages that present a shock hazard can exist on inline power circuits if interconnections are made
by using uninsulated exposed metal contacts, conductors, or terminals. Avoid using such
interconnection methods unless the exposed metal parts are in a restricted access location and users
and service people who are authorized to access the location are made aware of the hazard. A
restricted access area can be accessed only through the use of a special tool, lock and key, or other
means of security.
Statement 1072
Warning
Attach only the Cisco RPS (model PWR300-AC-RPS-N1) to the RPS receptacle.
Statement 100B
Warning
Attach only the Cisco RPS (model PWR675-AC-RPS-N1) to the RPS receptacle.
Statement 100C