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Safety Recommendations
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
Warning
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
To prevent personal injury or damage to the chassis, never attempt to lift or tilt the chassis using the
Warning
handles on modules (such as power supplies, fans, or cards); these types of handles are not designed
to support the weight of the unit. Statement 1032
Warning
Ultimate disposal of this product should be handled according to all national laws and regulations.
Statement 1040
Safety with Electricity
Follow these guidelines when working on equipment powered by electricity.
Do not work on the system or connect or disconnect cables during periods of lightning activity.
Warning
Statement 1001
Read the installation instructions before connecting the system to the power source. Statement 1004
Warning
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last. Statement 1046
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Cisco 1900 Series Hardware Installation
2-2
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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Removing the top cover of a chassis
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.
Chapter 2
Preparing for Router Installation
OL-19084-02
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