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2월의 겨울 하늘은 어찌나 맑던지. 50900;요일, 오후 1시.
Sábado, 17 de julio de 2010. Imagine an optic fiber carrying an input signal that needs to be connected to two different destinations. The signal needs to be split into two. This is easily achieved by a coupler. When used for this purpose, it is often referred to as a splitter. The various ways of using couplers are shown in Figure 13. The numbering of the ports is shown in Figure 13.