Fiber optics technology is among fastest - growing communications technologies in the world. It is increasingly being used for communications signaling, and electrical control instead of older -technology hardwired system. Fiber optic cable uses light to transmit signals. The core of Fiber optic cable is composed of one or more thin strands of either very pure glass or plastic, millions of which can be bundled together in a sheathing. In 1860, Alexander Graham Bell demonstrated that …
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showed last 75 words of 884 total
…important in today's society where we are seeing high demands for data traffic. By having an all-optical network, we are provided with the ability to integrate the many different technologies into one system. The DWDM network enables the service providers to go long distances as well as provide for data lines and other growth in metropolitan area. References: Business Data Communications --- Shelly Cashman series http://www.fiber-optics.info http://telecom.tbi.net/mux1.html