Operation and maintenance
EN: Safety guide
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Lucent Technologies - Proprietary
See notice on first page.
365-312-879R5.1
Issue 1, August 2006
1 - 2 9
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Operation and maintenance
Invisible laser radiation
Metropolis
®
ADM (Universal shelf)
and
Metropolis
®
ADM (Compact shelf) systems
operate with invisible laser radiation. Laser radiation can cause considerable injuries to
the eyes.
Never look into the end of an exposed fiber or into an open optical connector as long as
the optical source is switched on. Always observe the laser warning instructions (please
refer to the section
).
Arcing
DANGER
Arcing on removing or inserting a live power supply plug
Arcing can cause burns to the hands and damage to the eyes.
Before removing or inserting the power supply plug, ensure that the power line circuit
breaker on the Power Distribution Panel (PDP-M) is in the “OFF” position.
Laser warning labels
Warning labels on the system and especially on the optical components warn of the
dangers of invisible laser radiation. Removed, concealed or illegible labels can lead to
incorrect action and thus cause serious injuries to the eyes of operating staff.
Ensure that the laser warning labels are not removed or concealed and are always
clearly legible.
Electrostatic discharge (ESD)
Electronic components can be destroyed by electrostatic discharge.
Hold circuit packs only at the edges or on the insertion and removal facilities. Always observe
the ESD instructions (please refer to the section
“Electrostatic discharge” (1-18)
Laser hazard
DANGER
Laser hazard
WARNING
ESD hazard
CAUTION