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Free Optic Cable Essays and Papers

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    Fiber Optics

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    Fiber Optics Fiber Optic Cable Facts "A relatively new technology with vast potential importance, fiber optics is the channeled transmission of light through hair-thin glass fibers." [ Less expensive than copper cables [ Raw material is silica sand [ Less expensive to maintain If damaged, restoration time is faster (although more users are affected) [ Backbone to the Information Superhighway Information (data and voice) is transmitted through the fiber digitally by the use of high speed LASERs

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    transfer data and convert it according to the protocols used by the receiving network. The devices on a LAN are known as nodes, and the nodes are connected by cabling through which messages are transmitted. Types of cables include twisted-pair wiring, coaxial cable, or fibre-optic cable. Nodes on a LAN can be wired together in any of three basic topologies, known as bus, ring, and star. As implied by their names, a bus network is more or less linear, a ring network forms a loop, and a star network

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    Using a PC on a Network

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    connects to the network medium. It then connects to other computers through the network media. Media refers to the various physical environments through which transmission signals pass. Common network media include twisted-pair, coaxial, and fiber-optic cable, and even the earth's atmosphere through which wireless transmission occurs. A protocol is a set of rules. In the case of a network protocol, it is a set of rules by which computers communicate. The term "protocol suite" describes a set of several

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    The Enron Disgrace

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    employees would have no reason to know the person on the line was representing LJM unless he or she said so. In mid-2000, as Enron Broadband Services was negotiating to sell some fiber-optic cable to LJM2, an LJM2 employee named Anne C. Yaeger called the Enron unit and grilled it about Enron's valuation of the cable, without identifying herself as an LJM staffer, according to a former employee familiar with the matter. Full Text: Copyright Dow Jones & Company Inc Aug 26, 2002 When Enron Corp. was

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    of Ethernet supports a data transmission rate of 10 Mb/s. Newer versions of Ethernet called "Fast Ethernet" and "Gigabit Ethernet" support data rates of 100 Mb/s and 1 Gb/s (1000 Mb/s). An Ethernet LAN may use coaxial cable, special grades of twisted pair wiring, or fiber optic cable. "Bus" and "Star" wiring topologies are supported. Ethernet devices compete for access to the network using a protocol called Carrier Sense Multiple Access with Collision Detection (CSMA/CD). Token Ring & Fiber Distributed

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    television is defined as a television system that transmits images on a ‘closed loop’ basis, where images are only available to those directly connected to the transmission system. The transmission of CCTV images may involve the use of coaxial cable, fiber-optic cable, telephone lines, infrared, and radio transmission systems” (CCTV – Definitions). What is video surveillance? “Video surveillance is defined as surveillance by CCTV for direct visual monitoring and/or recording of activities on premises

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    Components of Fiber Optic Cable and How a Fiber Optic System Works The world of fiber optic technology seems to be new. While in actuality it dates back to the 1800's. It was primitive but it was a form of fiber optic. In this paper I will be telling you what a fiber optic cable is made of, how a fiber optic system works and a history of fiber optics from the 1800's to today. Lets take a look at the optical fibers, what these fiber do is carry the light which is transmitted to the destination

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    Concept of Voice over Internet Protocol (VoIP) Voice over Internet Protocol, commonly known as VoIP, is a technology used for the transmission of voice information using the Internet Protocol (IP). VoIP allows the sending of voice information in a digital form using packets as opposed to the traditional circuit-committed protocols of the Public Switched Telephone network (PSTN). Traditionally when one wishes to make a phone call, a call is placed using a telephone that is connected to a circuit-switched

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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

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    television programs, movies, phone calls, computer data, commercial services such as banking and shopping, and a host of other sources of information and communication are all being reduced to the same digital format, and are all be sent along fiber optic cable (Harvard Law Review, 1994). The libraries of the world, once on line will combine to form a larger base of information than anyone ever imagined. This vast library of information will be accessible in an instant, with the click of a mouse, where

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