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Invention Grant
US08107615B2 Method and device for checking the function for inverting the polarity on a subscriber line comprising a plurality of wires 有权
用于检查用于使包括多条电线的用户线极性反转的功能的方法和装置

Method and device for checking the function for inverting the polarity on a subscriber line comprising a plurality of wires
Abstract:
The invention relates to a method and to a device for testing the function for inverting the polarity on a subscriber connection line (TAL) comprising several wires (a, b), in order to connect at least one subscriber to a subscriber connection line (SLM), which comprises at least one inverting device (RG) and a current measuring device (MG) which is associated with the inverting device (RG). In a first step, the subscriber connection component (SLM) is separated from the inverting device (RG) and forces physical inversion on the wires (a, b) of the subscriber connection line (TAL). In a second step, the inverting function of the inverting device (RG) is activated. In a subsequent third step, the subscriber connection component (SLM) is separated from the device (DC) which forces the physical inversion and is connected to the inverting device (RG). The correct function of inversion is tested during all three steps by measuring the direction of the current flow.
Abstract(Chinese):

本发明涉及一种方法和装置，用于测试用于使包括若干线（a，b）的用户连接线（TAL）的极性反转的功能，以将至少一个用户连接到用户连接线（SLM ），其包括与反相装置（RG）相关联的至少一个反相装置（RG）和电流测量装置（MG）。 在第一步骤中，用户连接部件（SLM）与反相装置（RG）分离，并迫使用户连接线（TAL）的导线（a，b）上的物理反转。 在第二步骤中，反相装置（RG）的反相功能被激活。 在随后的第三步骤中，用户连接部件（SLM）与强制物理反转并连接到反相装置（RG）的装置（DC）分离。 通过测量电流的方向，在所有三个步骤中测试正确的反转功能。

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