Maintaining Safety with Electricity
Maintaining Safety with Electricity
Follow these guidelines when working on equipment powered by electricity.
Warning
Installation of the equipment must comply with local and national electrical codes. Statement 1074
Warning
Avoid using or servicing any equipment that has outdoor connections during an electrical storm. There may
be a risk of electric shock from lightning. Statement 1088.
Warning
This equipment contains a ring signal generator (ringer), which is a source of hazardous voltage. Do not touch
the RJ-11 (phone) port wires (conductors), the conductors of a cable connected to the RJ-11 port, or the
associated circuit-board when the ringer is active. The ringer is activated by an incoming call. Statement 1042
General Safety Practices
Follow these guidelines to ensure personal safety and to protect the equipment:
• Keep the chassis area clear and dust-free during and after installation.
• Put the removed chassis cover in a safe place.
• Keep tools away from walk areas where you and others could fall over them.
• Do not wear loose clothing that could get caught in the chassis.
• Wear safety glasses if you are working under any conditions that might be hazardous to your eyes.
Safety Tips
Use these tips as safety guidelines when installing or working around this equipment:
• Locate the emergency Power-off switch for the room in which you are working. Then, if an electrical
• Disconnect all power before installing or removing a chassis.
• Do not work alone if potentially hazardous conditions exist.
• Never assume that power is disconnected from a circuit. Always check.
• Look carefully for possible hazards in your work area, such as moist floors, ungrounded power extension
• If an electrical accident occurs, proceed as follows:
Installing the Cisco VG400 Voice Gateway
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accident occurs, you can act quickly to turn off the power.
cables, and missing safety grounds.
• 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.
Installing the Cisco VG400 Voice Gateway