DS/ETS 300019-1-4/A1:1998 Equipment Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 1-4: Classification of environmental conditions - Stationary use at non-weatherprotected locations
The purpose of this sub-part is to define a class environmental conditions and their severities to which equipment may be exposed. Only severe conditions, which may be harmful to the equipment, are included. The severities specified are those which will have a low probability of being exceeded; generally less than 1%.
DS/ETS 300019-1-4/A1:1998 history
1998DS/ETS 300019-1-4/A1:1998 Equipment Engineering (EE) - Environmental conditions and environmental tests for telecommunications equipment - Part 1-4: Classification of environmental conditions - Stationary use at non-weatherprotected locations
1993DS/ETS 300019-1-4:1993 Introductory element. Equipment Engineering (EE); Environmental conditions and environmental test for telecommunications equipment. Part 1-4: Classification of environmental conditions. Stationary use at non-weatherprotected locations