General safety guidelines – Cisco XR 12404 User Manual
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Cisco XR 12404 Router Installation Guide
OL-13830-02
Chapter 2 Preparing for Installation
Safety and Compliance
General Safety Guidelines
The following are some general safety guidelines you should be aware of when 
installing or maintaining the Cisco XR 12404 Router.
•
Never attempt to lift an object that might be too heavy for you to lift by 
yourself.
•
Always disconnect the power source and unplug all power cables before 
lifting, moving or working on the router.
•
Keep the work area clear and dust free during and after installation.
•
Keep tools and router components away from walk areas.
•
Do not wear loose clothing, jewelry (including rings and chains), or other 
items that could get caught in the router. 
•
Fasten your tie or scarf and sleeves.
•
Cisco equipment operates safely when it is used in accordance with its 
electrical ratings and product usage instructions.
•
Do not work alone if potentially hazardous conditions exist.
•
Always unplug the power cables when performing maintenance or working 
on the router, unless the replacement part is capable of online insertion and 
removal, hot swappable.
•
The installation of the router should be in compliance with national and local 
electrical codes: in the United States, National Fire Protection Association 
(NFPA) 70, United States National Electrical Code; in Canada, Canadian 
Electrical Code, part I, CSA C22.1; in other countries, International 
Electrotechnical Commission (IEC) 364, part 1 through part 7.
•
Before installing, configuring, or maintaining the router, review the safety 
warnings listed in the document Regulatory Compliance and Safety 
Information for the Cisco XR 12000 Series Routers).
•
A Cisco XR 12404 Router configured with the AC power entry module 
(PEM) are shipped with a three-wire electrical grounding-type plug that will 
only fit into a grounding-type power outlet. This is a safety feature. The 
equipment grounding should be in accordance with local and national 
electrical codes.
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