ADMONISHMENTS
Important safety admonishments are used throughout this manual to warn of possible hazards to persons or equipment. An admonishment identifies a possible hazard and then explains what may happen if the hazard is not avoided. The admonishments — in the form of Dangers, Warnings, and Cautions — must be followed at all times. These warnings are flagged by use of the triangular alert icon (seen below), and are listed in descending order of severity of injury or damage and likelihood of occurrence.
Danger: Danger is used to indicate the presence of a hazard that will cause severe personal injury, death, or substantial property damage if the hazard is not avoided.
Warning: Warning is used to indicate the presence of a hazard that can cause severe personal injury, death, or substantial property damage if the hazard is not avoided.
Caution: Caution is used to indicate the presence of a hazard that will or can cause minor personal injury or property damage if the hazard is not avoided.
GENERAL SAFETY PRECAUTIONS
Danger: To avoid electric shock, be careful when working near HDSL loop connections or telecommunications circuits. An electrical potential of ±130 volts exists on HDSL loop connections and telecommunications circuits. Coming in contact with this high electrical potential will result in death or severe personal injury.
Danger: Do not look into the ends of any optical fiber, or look directly into the module fiber connectors. Exposure to invisible laser radiation may result, which can damage the retina of the eye. An optical power meter should be used to verify active fibers.
Warning: To prevent electrical shock, never install telephone equipment in a wet location or during a lightning storm. When installing or modifying telephone lines, disconnect lines on the network side before working with uninsulated lines or terminals.
Caution: Electronic modules can be damaged by electrostatic discharge (ESD). Before handling modules, wear an
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2000, ADC Telecommunications, Inc.