BS 6789-6.2-1989 接连某些公共开关电话网络的单功能或多种特别功能设备.串联设备规范.具有小于最大允许故障率的设备
BS 6789-6.2-1989 标准详情
- 标准号：BS 6789-6.2-1989
- 中文标题：接连某些公共开关电话网络的单功能或多种特别功能设备.串联设备规范.具有小于最大允许故障率的设备
- 英文标题：Apparatus with one or more particular functions for connection to certain public switched telephone networks - Specification for series connected apparatus - Apparatus having less than maximum allowable impairments
- 标准类别：英国标准
- 发布日期：1989-02-28
内容简介
Requirements for apparatus for connection, in series with a subscriber's main apparatus such as a telephone instrument or a data modem, to the Public Switched Telephone Networks (PSTN) either directly or when the series apparatus forms part of a Rel
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