Telecommunications Cabling Building Codes Kevin Wingate – NT1310 Introduction • The information in this presentation should be useful in making design-related decisions that will not only satisfy the move to our new building Information Technology (IT) requirements but also meet the needs of the building and its future occupants with respect to voice‚ video and data communications ANSI/EIA/TIA standards • * ANSI/EIA/TIA standards 568-C-Commercial Building Telecommunications Cabling Standard •
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Corning Incorporated: A Network of Alliances Background Corning Incorporated has established a strong reputation in the specialty glass market. Corning Incorporated helped pioneer the initiative for businesses to incorporated research laboratories in their business operations; and has been a leader in technology-based research for some year. Corning’s initial focus was on the U.S. market but it consistently makes strides to becoming a more international company. One of the major strides Corning
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called ‘frequency-multiplexed voice band signals.’ A high voltage was put into the cables and amplifiers were placed at intervals along the cable. Many of these cables can be used today‚ but the limited bandwidth makes them impractical. In the 1980s‚ fiber optic cables were developed and rapidly replaced older technologies. Modern
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Investigatory Projects in Physics | Repulsorlifts as a Method of Stable Magnetic Levitation | Repulsorlifts were used in the study to find out if they can be used to replace the wheels of a conventional car. It was hypothesized that it will be able to lift a car using magnetic repulsion forces. The different magnets were tested individually with the usual tests for magnetic strength‚ size‚ and temperature increase‚ which were done in the preliminary testing. The prototype road and car were
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100Base-TX Ethernet or digital voice. Dark Fiber: A fiber carrying no light‚ it is common when extra fiber capacity is installed Plenum: The air handling space between walls‚ under structural floors‚ and above drop ceilings when used to circulate and otherwise handle air in a building. Riser: A space for indoor cables that allow cables to pass between floors‚ normally a vertical shaft or space. RIP cord: A length of string built into optical fiber cables that is pulled to split the outer jacket
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Polyethylene 2. "Mylar" tape 3. Stranded metal (steel) wires 4. Aluminum water barrier 5. Polycarbonate 6. Copper or aluminum tube 7. Petroleum jelly 8. Optical fibers These fibre optic cables carry DWDM (http://en.wikipedia.org/wiki/Wav...) laser signals ( TCP/IP packets etc. ) at a rate of terabytes per second. They use optical repeaters to strengthen the signal which attenuates over long distances. These are powered by copper cables shown above. They have a decade lifespan and costs
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1. Name the common cable types used today a. Utp b. Stp c. Fiber optic d. plenum 2. What unit of measurement is a tenfold logarithmic ratio of power output to power input? a. Decibel 3. Name 3 things that can contribute to attenuation. a. Conductor Resistance‚ b. Mutual Capactitance‚ c. Impedence. d. other 4. Name 3 things that can contribute to attenuation. a. Conductor Resistance‚ Mutual Capactitance‚ Impedence. 5. Name 3 types of crosstalk. a. Near end cross talk‚ Far end Cross Talk‚ Equal
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Describe the role of a data cable and the transmission passing through it. Determine the relevant cabling standards and constraints for a given project. Analyze different cable system components for different topologies. Compare copper cable to fiber-optic cable. Identify common cabling tools and cable connectors required for cabling system installation. Analyze different types of network interface equipment. Analyze different types of
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nation‚ large or small‚ developed or developing‚ can remain unaffected by this grand sweep. The informatics revolution is fed by technological breakthroughs in computer hardware and software‚ in mini and microcomputers and processors‚ in laser and fiber optics‚ in satellite communication‚ in digitalization in communication‚ and in artificial intelligence. As technology advances‚ the hardware and software capabilities of computers increase day by day. Data processing capabilities and high speed of
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60 4 b) total angle inside a rectangular = 360˚ 60˚+60˚+ (90˚+41.4˚)+(90˚+ 3)=3 60˚ c) 1.46sin18.6 = 1sin d) 5= 4 75 (75˚2)+( 43) 3 2 QUESTION 2: a) A glass fiber (n=1.50) is submerged in water (n = 1.33). what is the critical angle for light to stay inside the optical fiber? Hint: For light to stay within the optical fibre‚ it must be incident on the air-glass interface at angle greater than the critical angle. Use Snell’s law n1sin 1=n2 sin 2 with 2 = 90˚. Solution: 1.50sin 2=1.31
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