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Cisco AS5350XM and Cisco AS5400XM Universal Gateways Card Installation Guide
78-17406-01
Chapter1 Safety Warnings, Recommendations, an d Tools Required
Maintaining Safety with Electricity
Maintaining Safety with Electricity
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.
Statement43
Follow these guidelines when you work on equipment powered by electricity.
•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.
•Before working on the system, unplug the power cord.
•Disconnect all power before doing the following:
–
Installing or removing a feature card
–
Working near power supplies
Warning
When installing or replacing the unit, the ground connection must always be made first and
disconnected last.
Statement 1046
•Do not work alone if potentially hazardous conditions exist.
•Never assume that power is disconnected from a circuit. Always check.
Warning
Read the installation instructions before connecting the system to the power source.
Statement1004
•Look carefully for possible hazards in your work area, such as moist floors, ungrounded power
extension cables, frayed power cords, and missing safety ground connections.
•If an electrical accident occurs, proceed as follows:
–
Use caution; do not become a victim yourself.
–
Turn OFF power to the system.
–
If possible, send another person to get medical aid. Otherwise, assess the condition of the victim
and then call for help.
–
Determine if the person needs rescue breathing or external cardiac compressions; then take
appropriate action.
Warning
This product relies on the building’s installation for short-circuit (overcurrent) protection. Ensure that
a fuse or circuit breaker no larger than 120VAC, 15A U.S. (240 VAC, 10A international) is used on the
phase conductors (all current-carrying conductors).
Statement13