Moving Mechanical Parts: Labeling And Safety Instructions; Equipment Connection To Earth: Labeling And Safety Instructions - Alcatel-Lucent 9558HC User Manual

Safety rules

Moving mechanical parts: labeling and safety instructions

Equipment connection to earth: labeling and safety instructions

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Therefore, slits or apertures are made to let air circulate freely and allow dangerous gases to
down-flow (battery-emitted hydrogen). A 417-IEC-5641 Norm. compliant label is affixed
next to the slits indicating that the openings must not be covered up.
The following warning label is affixed next to fans or other moving mechanical parts:
Before carrying out any maintenance operation, ensure that all the moving mechanical parts
have been stopped.
Terminals for equipment connection to earth, to be done according to international safety
standards, are indicated by the following symbol:
MPR-e