作者: Jan Radil , Josef Vojtech , Miloslav Hùla , Stanislav Símá , Miroslav Karásek
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摘要: Modular kit of devices for variable distribution, mixing and monitoring optical signals in the Internet other networks is formed by an module interconnected with a control electronic system two redundant power supply sources, which subsequently communication computer equipped user interface machine interface. Optical has N inputs M outputs where are non-zero natural numbers, total contains N×M 2×2 type Mach-Zender interferometer switching elements. Each them inputs, one electric input. elements mutually grid. Control pulse-width modulators connected via to distribution block.