It is very necessary to design an optical network self-healing system. So optical network auto switching protection system came into being.

针对光网络的故障特点，设计一种相应的网络自愈系统显得非常必要，因此，光网络自动切换保护系统应运而生。

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This technology auto accomplished in physical layer, no need upper protocol layer support, has the strongpoint of fast switching and short application resume time.

该技术完全在物理层自动完成，无需上层协议的支持，具有快速切换和业务恢复时间短等优点。

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Most protection switches provide Auto, Manual or Remote relay switching between two or more channels.

大多数保护开关为自动，手动或多通道远程继电器开关。

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The 1Q also has a built-in auto switching capability to convert from mono to stereo when two units are linked to create a micro stereo.

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And given the spikes of energy costs in the United States, I think the American auto industry is facing the reality that consumers are switching to more fuel-efficient cars.

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Robert Madonna, 40, founded Excel Switching 12 years ago, working in an attic above an auto body shop in Southboro, Mass.

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