Safety Recommendations
Observe these safety guidelines:
• Keep the area clear and dust free before, during, and after installation.
• Keep tools away from walkways, where you and others might trip over them.
• Do not wear loose clothing or jewelry, such as earrings, bracelets, or chains that could get caught in the
chassis.
• Wear safety glasses if you are working under any conditions that might be hazardous to your eyes.
• Do not perform any action that creates a potential hazard to people or makes the equipment unsafe.
• Never attempt to lift an object that is too heavy for one person.
Maintain Safety with Electricity
Before working on a chassis, be sure the power cord is unplugged.
Warning
Read the Regulatory and Compliance Safety Information document before installing the chassis.
Follow these guidelines when working on equipment powered by electricity:
• Before beginning procedures that require access to the interior of the chassis, locate the emergency
power-off switch for the room in which you are working. Then, if an electrical accident occurs, you can
act quickly to turn off the power.
• Do not work alone if potentially hazardous conditions exist anywhere in your work space.
• Never assume that power is disconnected; always check.
• Look carefully for possible hazards in your work area, such as moist floors, ungrounded power extension
cables, frayed power cords, and missing safety grounds.
• Use the chassis within its marked electrical ratings and product usage instructions.
• The chassis is equipped with an AC-input power supply, which is shipped with a three-wire electrical
cord with a grounding-type plug that fits into a grounding-type power outlet only. Do not circumvent
this safety feature. Equipment grounding should comply with local and national electrical codes.
Prevent ESD Damage
ESD occurs when electronic components are improperly handled, and it can damage equipment and impair
electrical circuitry, which can result in intermittent or complete failure of your equipment.
Always follow ESD-prevention procedures when removing and replacing components. Ensure that the chassis
is electrically connected to an earth ground. Wear an ESD-preventive wrist strap, ensuring that it makes good
Cisco Firepower 4112, 4115, 4125, and 4145 Hardware Installation Guide
44
Installation Preparation
Safety Recommendations
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