On the basis of analyzing circuit of SN388 cross-station, the paper introduced the solution of failure in input circuit, protected circuit and switching circuit of cross-station.

文中在对SN388交叉站电路进行分析的基础上，介绍了交叉站输入线故障、保护电路故障和转换电路故障的解决方法。

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Output is short circuit protected to ground, however maximum reliability is obtained if output current does not exceed 160mA.

输出为短路保护，接地，但获得最大的可靠性，如果输出电流不超过160毫安。

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Putting into commercial exploitation of a protected layout-design, integrated circuit incorporating a layout-design or article incorporating an integrated circuit.

受保护的布图设计、有该布图设计的集成电路或者含有该集成电路的物品投入商业利用。

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Security in the capital, protected by a network of close circuit cameras and tens of thousands of police officers and private security guards, is not likely to deteriorate any time soon.

FORBES: Mexico City: Triple Homicide at Capital's Airport Does Not Indicate a New Incursion of Drug-War Violence