Equipment Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment. Part 1-7: Classification of environmental conditions. Portable and non-stationary use
The purpose of this sub-part of the standard is to define the classes of 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%. This sub-part applies to equipment during portable and non-stationary use including periods of transfer, down time, maintenance and repair.