DIN ETS 300753-1998 设备工程.电信设备产生的噪声

标准号：DIN ETS 300753-1998
中文标准名称：设备工程.电信设备产生的噪声
英文标准名称：Equipment Engineering (EE) - Acoustic noise emitted by telecommunications equipment; English version ETS 300753:1997
标准类型：M04
发布日期：1999/12/31 12:00:00
实施日期：1999/12/31 12:00:00
中国标准分类号：M04
国际标准分类号：17.140.20;33.050.01
适用范围：The document specifies acoustic noise emission limits for equipment used in telecommunication locations as specified in the ETS 300019-1 series. This ETS covers switching, transmission, power, supervisory, as well tariff and billing equipment. It also specifies methods for measuring, reporting and verifying the noise emission of telecommunications equipment. The details of the methods are found in ISO 7779 and ISO 9296. The descriptor used to quantify acoustic noise emission is the declared A-weighted sound power level in units of bels.#,,#