The application of optical fiber has a tendency to use a material that is more pronounced. Because technology has developed to support the use of fiber optics. By focusing on the speed of signal transmission. Optical fiber has the advantage of the high reliability. Because without the hassle It also can be used with a variety of technologies. And support for what will happen in the future as many sample applications to a format provides an example of applications in office buildings by wiring with fiber optic cable, according to international standards is a vertically. And horizontal Late in the vertical links between the layers. The horizontal line connecting the user to the telephone exchange, each class consists of general wiring diagram. The structure shown in Figure 7 the nature of the EIA 568 wiring standards can be applied to many different technologies.
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