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General Safety Practices
Danger
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
Danger
For diverging beams, viewing the laser output with certain optical instruments within a distance of 100 mm
may harm your eyes. For collimated beams, viewing the laser output with certain optical instruments designed
for use at a distance may harm your eyes. Statement 1054
Danger
Installation of the equipment must comply with local and national electrical codes. Statement 1074
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.
Danger
This equipment must be installed and maintained by service personnel as defined by AS/NZS 3260. Incorrectly
connecting this equipment to a general-purpose outlet could be hazardous. The telecommunications lines must
be disconnected 1) before unplugging the main power connector or 2) while the housing is open, or both.
Statement 1043
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:
Cisco 450 Voice Gateway Hardware Installation Guide
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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.
Installing the Cisco VG450 Voice Gateway
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