BS 6450-1-1993 由公共电信话务员操作的与公共交换电话网连接的专用支线交换机.一般要求规范
BS 6450-1-1993 标准详情
- 标准号:BS 6450-1-1993
- 中文标题:由公共电信话务员操作的与公共交换电话网连接的专用支线交换机.一般要求规范
- 英文标题:private branch exchanges for connection to public switched telephone networks run by certain public telecommunications operators. specification for general requirements
- 标准类别:英国标准
- 发布日期:1993-02-15
内容简介
Applies to dealer boards and automatic call distributors, but not for connection to shared service lines, 1+1 carrier systems or connection in parallel with other apparatus whose ringer equivalence number exceeds 0.3. This standard has been presented
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