Explains best practices for electrical safety when working with routers and demonstrates procedures to prevent electrostatic discharge damage.
Statement 1028—More Than One Power Supply
This unit might have more than one power supply connection. To reduce risk of electric shock, remove all connections to de-energize the unit.
Follow these guidelines when working on equipment powered by electricity:
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Locate the emergency power-off switch in the room in which you are working. If an electrical accident occurs, you can quickly turn off the power.
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Disconnect all power before doing the following:
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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.
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Do not work alone if hazardous conditions exist
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Never assume that power is disconnected from a circuit. Always check
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Never open the enclosure of the internal power supply
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If an electrical accident occurs to another person, proceed as follows:
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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 condition of the victim and then call for help
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Determine if the person needs rescue breathing or external cardiac compressions; then take appropriate action
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In addition, use the following guidelines when working with any equipment that is disconnected from a power source but has telephone wiring or other network cabling connections:
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Never install telephone wiring during a lightning storm.
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Never install telephone jacks in wet locations unless the jack is specifically designed for it.
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Never touch uninsulated telephone wires or terminals unless the telephone line is disconnected at the network interface.
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Use caution when installing or modifying telephone lines.
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Remove power cables from all installed power supplies before opening the chassis.