ETSI EN 300 019-1-4-2014 PDF

Scope: 本文件的目的是定义一类环境条件及其严重程度设备可能暴露在外。仅包括可能对设备有害的恶劣条件。这个指定的严重程度是指被超过的可能性很低的严重程度；通常小于1%。本文件适用于安装用于固定用途的设备，在第5条规定的非防风雨位置进行维护和维修。 The purpose of the present document is to define a class 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 %. The present document applies to equipment mounted for stationary use including periods of erection work, down time, maintenance and repair at non-weatherprotected locations defined in clause 5.

ETSI EN 300 019-1-4-2014 history

2014 ETSI EN 300 019-1-4-2014 Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.2.1)
2013 ETSI EN 300 019-1-4:2013 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.1.8)
2003 ETSI EN 300 019-1-4:2003 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.1.1)
2002 ETSI EN 300 019-1-4:2002 Environmental Engineering (EE); Environmental conditions and evironmental tests for telecommunications equipment; Part 1-4: Classification of environmental conditions; Stationary use at non-weatherprotected locations (V2.1.1)