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ÖNORM EN 300019-1-8 V 2.1.4:2003-08

Действует
Environmental Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 1-8: Classification of environmental conditions - Stationary use at underground locations
The present document defines the classes of environmental conditions and their severities to which telecommunications
equipment may be exposed. The severities specified are those which will have a low probability of being exceeded;
generally less than 1 %.
The present document applies to equipment installed for stationary use at underground locations during:
normal operation;
on site installation and lining up;
repair, maintenance and restoration of functions failed.
ICS
33.050.01 Telecommunication terminal equipment in general / Телекоммуникационная оконечная аппаратура в целом