
Environmental Engineering (EE); Environmental conditions and environmental tests for telecommunications equipment; Part 1-3: Classification of environmental conditions; Stationary use at weatherprotected locations
出版:European Telecommunications Standards Institute

專家解讀視頻
Defines the classes of environmental conditions and their severities to which equipment may be exposed at specified locations. Applies to equipment installed for stationary use at weatherprotected location during: exchange or installation construction; normal operation; repair and maintenance.
ONORM ETS 300019-1-3:1998 - Identical
DIN ETS 300019-1-3 (1993-02) - Identical
NBN ETS 300 019 1-3:1993 - Identical
NS ETS 300 019-1-3:1998 - Similar
PN ETS 300 019-1-3:2005 - Identical
SS ETS 300 019-1-3:1992 - Identical