By Jim Hayes
Cabling is likely one of the quickest altering applied sciences, and information, Voice and Video Cabling, third variation, has been up-to-date to deal with all of the newest advancements in premises cabling, together with applied sciences and functions in copper, fiber, and instant cabling. this article is prepared to assist within the realizing of cabling, via following a logical layout that covers historical past info on communications structures and media first, after which delves into extra targeted discussions on every one media kind: copper, instant, and fiber. setting apart the most important ideas into particular sections additionally is helping to reduce confusion among the original deploy practices one of the diverse applied sciences. inside every one part, issues growth from the fundamentals to parts, install, and checking out to help within the improvement of person talents. This e-book additionally presents readers with vital heritage and assets in regards to the most modern cabling criteria, that are a vital part of this fast moving undefined.
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Extra info for Data, voice, and video cabling
Make sure that your people: • are properly trained • have all the right parts • do not rush • have a well-lit work area • have test equipment and use it Next, be very sure that your people mark every run of cable and termination well. Spend money on cable markers and numbers; spend time on written cable and termination schedules. Do not lose track of which cable is which. Look over the 32 CHAPTER 3 — OVERVIEW OF WIRING INSTALLATIONS shoulders of your people on the job to make sure they are doing things right.
Keep copper signal cables away from power cables, fluorescent lights, electric motors, and other sources of electromagnetic interference. 5. Consider upgrade requirements. If the user plans major upgrades in the network someday, consideration of these plans at the outset may save tremendous expense in the future. By installing a higher-rated component, such as Cat 5 cable instead of Cat 3, it may be possible to use the same cabling for future network expansion or speed increases. Fiber-optic cables with both multimode and singlemode fibers can be installed at small additional expense and can save installing more cables in the future if new applications call for higher bandwidth.
11. What is the advantage of networking computers? 12. Describe the different signals by digital and analog transmission systems. 13. What type of transmission network is today’s TV? 14. What is the vital link between a computer processor and a network? 15. The central computer in a network is usually called the . 16. Name the three common architectures of computer networks. 17. What is the center of a star network? 26 CHAPTER 2 — THE TECHNOLOGY OF COMMUNICATIONS 18. Which is the most common cable used for desktop connections in LANs?