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2. 发明公开

EP0283596A1 Convertible switched telephone exchange 失效
标题翻译： Umformbare Fernsprechvermittlungsanlage。
公开(公告)号：EP0283596A1
公开(公告)日：1988-09-28
申请号：EP87201954.2
申请日：1987-10-12
申请人： ITALTEL SOCIETA ITALIANA TELECOMUNICAZIONI s.p.a.
发明人： Bovo, Amilcare , Canato, Luigi
IPC分类号： H04Q11/04 , H04Q3/545
CPC分类号： H04Q11/04
摘要： A switched telephone exchange is described that comprises a plurality of modules designed to use a connection network of the "mesh" type to implement medimum - low potential exchanges (for instance 20.000 users) or else a connection network of the centralized type - by means of adaption circuits - to implement high potential exchanges (for instance 100.000 users).
This characteristic permits the installation of medium to low capacity exchanges, which have low costs as they do not have any centralized organs, and their subsequent "conversion" into high potential exchanges when there is a large increase in user traffic.
The adaption circuits comprise parallel to serial conversion facilities (IFT) for the voice signals, line facilities (ULL), signalling processing facilities (USI) for the signalling exchanged between the individual modules of the switched exchange, serial to parallel conversion facilities (IFR) for the voice signals.
摘要翻译：描述了一种交换电话交换机，其包括被设计为使用“网状”类型的连接网络的多个模块，以通过以下方式实现中低端交换机（例如，20000个用户）或者集中式的连接网络适应电路 - 实现高潜力交换（例如100,000用户）。这种特性允许安装中低容量交换机，由于没有任何集中的机构而具有低成本，并且当用户流量大幅增加时，其随后的“转换”成高潜力交换机。自适应电路包括用于语音信号的串行转换设备（IFT），线路设备（ULL），用于在交换交换机的各个模块之间交换的信令的信令处理设施（USI），串行到并行转换设施（IFR）用于语音信号。

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