Risks Of Explosions: Labelling And Safety Instructions; Moving Mechanical Parts: Labelling And Safety Instructions - Alcatel 1850 TSS-320 Technical Handbook

A.2.5 Risks of Explosions: labelling and safety instructions
This risk is present when batteries are used, and it is signalled by the following label:
Therefore, slits or apertures are made to let air circulate freely and allow dangerous gasses to downflow
(battery-emitted hydrogen). A 417-IEC-5641 Norm. compliant label is affixed next to it indicating that the
openings must not be covered up.
A.2.6 Moving Mechanical Parts: labelling and safety instructions
The following warning label is affixed next to fans or other moving mechanical parts:
Before carrying out any maintenance operation see that all the moving mechanical parts have been
stopped.
Alcatel 1850 TSS-320 Rel. 1.1
234/270 8DG 07734 AAAA Edition 01
Technical Handbook Common
Safety - EMC - ESD norms and labels