DIN ETS 300753:1998
设备工程.电信设备产生的噪声
Equipment Engineering (EE) - Acoustic noise emitted by telecommunications equipment; English version ETS 300753:1997
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- 标准号
- DIN ETS 300753:1998
- 发布
- 1998年
- 发布单位
- 德国标准化学会
- 当前最新
- DIN ETS 300753:1998
- 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.#,,#