Safety With Electricity - Cisco 2851 - Integrated Services Router User Manual

Safety Recommendations
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Safety with Electricity

This unit might have more than one power supply connection. All connections must be removed to
Warning
de-energize the unit. Statement 1028
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Warning
Statement 1001
Warning Read the installation instructions before connecting the system to the power source. Statement 1004
Warning 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.
Statement 1029
Warning The covers are an integral part of the safety design of the product. Do not operate the unit without the
covers installed. Statement 1077
Follow these guidelines when working on equipment powered by electricity:
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Preinstallation Requirements and Planning for Cisco 2800 Series Routers
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Wear safety glasses when working under conditions that might be hazardous to your eyes.
Do not perform any action that creates a hazard to people or makes the equipment unsafe.
Locate the emergency power-off switch in the room in which you are working. Then, if an electrical
accident occurs, you can quickly turn off the power.
Disconnect all power before doing the following:
Installing or removing a chassis
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Working near power supplies
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Look carefully for possible hazards in your work area, such as moist floors, ungrounded power
extension cables, frayed power cords, and missing safety grounds.
Do not work alone if hazardous conditions exist.
Never assume that power is disconnected from a circuit. Always check.
Never open the enclosure of the router's internal power supply.
If an electrical accident occurs, proceed as follows:
Use caution; do not become a victim yourself.
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Turn off power to the device.
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If possible, send another person to get medical aid. Otherwise, assess the victim's condition and
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then call for help.
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