ETSI EN 300 019-1-3-2003
環境工程(EE).通信設備的環境條件和環境測試.第1-3部分:環境條件的分類.在有氣候保護的場所的固定應用(版本2.1.2)
Environmental Engineering (EE); Environmental Conditions and Environmental Tests for Telecommunications Equipment; Part 1-3: Classification of Environmental Conditions; Stationary Use at Weatherprotected Locations V2.1.2