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1152700 • Issue 1 • February 2001 • Preface
Page ix
© 2000, ADC Telecommunications, Inc.
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: Do not look into the ends of optical fibers. Exposure to invisible LASER radiation may
cause serious retinal damage or even blindness. Verify the optical source is disabled through
the use of an optical power meter before handling optical fibers.
Caution: Use caution when routing wires and cables. Avoid severe bending and routing over
sharp edges. Use grommet material when possible to avoid wear on cable insulation.
Caution: Allow sufficient fiber length to permit routing without severe bends. Fibers may be
permanently damaged, or signal degradation may be experienced if fibers are bent or curved to
a radius of less than 1.5 inches (3.81 cm).
Caution: Modules can be damaged by electrostatic discharge. Before handling any modules
connect your wrist to an equipment ground using an approved anti-static wrist strap. Ensure
that all uninstalled modules are stored in anti-static packing material. When working with
modules, always place the module on an electrically grounded approved anti-static mat.
Caution: Using excessive force when seating cards and modules into the backplane may result
in physical or severe electrical damage to the backplane pins or module connectors, and if
power is applied, may result in serious electrical damage to both the modules or the backplane