Cisco Firepower 4100 Series Hardware Installation Manual page 40

Installation Warnings
Warning
Statement 1029—Blank Faceplates and Cover Panels
Blank faceplates and cover panels serve three important functions: they prevent exposure to hazardous voltages
and currents inside the chassis; they contain electromagnetic interference (EMI) that might disrupt other
equipment; and they direct the flow of cooling air through the chassis. Do not operate the system unless all
cards, faceplates, front covers, and rear covers are in place.
Warning
Statement 1017—Restricted Area
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.
Warning Statement 1030—Equipment Installation
Only trained and qualified personnel should be allowed to install, replace, or service this equipment.
Warning Statement 1004—Installation Instructions
Read the installation instructions before using, installing or connecting the system to the power source.
Warning Statement 1005—Circuit Breaker
This product relies on the building's installation for short-circuit (overcurrent) protection. Ensure that the
protective device is rated not greater than: 20 A, 120 V, and 16 A, 250 V
Warning
Statement 12—Power Supply Disconnection Warning
Before working on a chassis or working near power supplies, unplug the power cord on AC units; disconnect
the power at the circuit breaker on DC units.
Warning Statement 43—Jewelry Removal 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.
Cisco Firepower 4110, 4120, 4140, and 4150 Hardware Installation Guide
36
Installation Preparation