Detection of the State of Subscriber Channel in the Pulse-Code System.

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作者：

Pfahlbusch, H.

Rettelbusch, L.

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来源：

Nachrichtentechnik Elektronik | 1975年 / 25卷 / 08期

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摘要：

The tasks of a subscriber channel status detector are established, along with the problems that must be solved for which a variant of a solution is formulated. The necessary three tests are combined into a realization proposed by means of automotive means.

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页码：290 / 292