However, SF-BER and SD-BER feed into the automatic protection switching (APS) machine, and can lead to a protection switch (if you have configured APS).

然而，进入自动保护切换(APS)机sf - BER和SD - BER饲料，并可能导致一个保护开关(如果您有配置的APS)。

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The paper discusses the problem of automatic switching between telephone set and facsimile machine and also suggests the method to realize it.

本文提出了传真机的电话、传真自动转换功能及其实现方法。

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