Fiber Optic Cable, Transmitter and Receiver Characteristics

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Fiber Optic Cable, Transmitter and Receiver Characteristics Today many communications companies are replacing their copper carrier wires with fiber optic cables. A fiber optic cable is capable of transmitting laser light across thousands of miles and can carry many more messages at the same time than the copper wire of equivalent diameter. With the relentless pursuit of bandwidth, fiber optic cabling is being deployed at an ever increasing rate. This cable, which uses glass to carry light pulses, poses both advantages and challenges. The intent of this paper is to explain the how's and why's of fiber optic cabling and to provide a set of solutions to the challenges faced with it's use and give you an understanding of fiber optic cable technology and its applications. Fiber optic cabling has much to offer, and in most cases, its use will provide benefits which justify the implementation. Since the invention of the telegraph by Samuel Morse in 1838, there has been a constant push to provide data at higher and higher rates. Today, the push continues. Just as RS-232 attached terminals gave way to 10Mbps Ethernet and 4 and 16 Mbps Token Ring, these are giving way to Fast Ethernet (100Mbps), FDDI (100Mbps), ATM (155Mbps), Fiber Channel (1062Mbps) , Gigabit Ethernet (1000Mbps). With each of these increases in speed, the physical layer of the infrastructure is placed under more stress and more limitations. The cabling installed in many environments today cannot support the demands of Fast Ethernet let alone ATM, Fiber Channel, or Gigabit Ethernet. Fiber Optic cabling provides a viable alternative to copper. Unlike its metallic counterpart, fiber cabling does not have the severe speed and distance limitations that plague net... ... middle of paper ... ...n be used. Bridges by definition break collision domains, and when connected to a server, workstation, or another bridge can operate in Full Duplex mode. In this mode, there are no limitations imposed by collision domains, and the distance attainable is solely a function of the fiber cable; and transmitters and receivers. Summary Fiber optic cabling is rapidly becoming the most viable choice for data networking infrastructure. With the cost of cable, connectors, installation, and equipment becoming competitive with traditional copper solutions, fiber should be given serious consideration. Transition Networks' complete line of fiber connectivity products are specifically designed to ease this migration to fiber. Once installed, fiber optic cabling will "future proof" your cabling infrastructure, providing support for even the fastest most demanding protocols.

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