twisted pair of copper wire. UTP is the main type of cable used in LAN topography. 3. Shielded Twisted-Pair: Is similar to UTP, the main difference is that it is has an additional layer of shielding, this shield helps in preventing EMI, and other interference. STP is great application when a cable is being applied near power lines, metal pipes and is not in protected by plenum or conduit. 4. Fiber Optic Cable: Is a great long distance cable. There is Single mode, in which laser is transmitted
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2011-39011 10 May 2014 ENG 10 C-5R Draft No. 2 Introduction Today, electricity has been a major necessity for people for it gives energy to almost all devices that make their works easier. But before electricity could be consumed to power a load or a certain device, it needs to travel long distances through the utilization of electrical power systems. Electrical Power Systems consists of mainly of generating stations, transmission lines and distribution systems. From the generating
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Once a fiber optic cable plant, network, system or link is installed, it needs to be tested for four reasons: to insure the fiber optic cable plant was properly installed to specified industry standards. to insure the equipment intended for use on the cable plant will operate properly on the cabling to insure the communications equipment is working to specifications to document the cable plant and network for reference in case of future problems Tools and Test Equipment Needed The following tools
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1. Purchase CAT5e cable. 2. Cut both ends of CAT5e cable with crimp tool to appropriate length. Ensure CaT5e cable is cut squarely and not diagonally. 3. Place the CATe cable into the stripper portion of the crimp tool so that the end of the cable is against the stop.Squeeze the handles and slowly pull out CATe cable, keeping it square. This removes the correct length of outer insulation without damaging the insulation on the inner wires. 4. Uncoil/unravel each of the four pairs of wires manually
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CABLING............................................................................................................ 8 5.1 Structured Cabling System Design Considerations ................................................................. 8 6 NETWORK CABLES
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vs Fiber These two forms of cabling are mostly used in the world today and it is up to the location to decide which cable is best. They both have their strengths and weakness; I am going to shed some light on these two cables. Copper gives you the ability to power phones, surveillance cameras, Wireless Access Points, and many other devices right through the networking cable, meaning that you don’t have to schedule an appointment with an electrician in to run power to your surveillance cameras
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president to replace the current network setup to twisted pair cable. Coaxial cable carries high frequency signals along a single center conductor, whereas, twisted pair cable improves its electrical characteristics at a lower voice frequency and prevents signals from crossing into adjacent wires. It also allows the signal to travel longer distances. Reasoning for Suggesting Connecting All Current and New Client Computers Using Twisted Pair Cable Instead of Staying With the Current Coax Wiring Structure
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11:11 AM Page 1 Cable Connector and Tool Identification Guide 4331Insert 06/21/04 11:11 AM Page 2 This Cable Connector and Tool Identification Guide will allow you to view connectors and tools in living color. Many items in the data-communications industry are color-coded; for example, orange is used to designate fiber optic cable. Some of the products shown in the following pages are: • Connectors • Fiber optic test scope • Cables • Cable tester • Mount box
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a model for all other workstations and laptops. As for the router you definitely need to protect it from unauthorized access. The router needs to be password protected and you should periodically change that password for added protection. For the cable modem you should keep all unwanted and unused ports closed. I would also schedule a regular scan of all the systems as part of my maintenance processes. These processes and procedures apply for all hardware devices. Disable remote administration, administration
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Insufficient transmitting power • Excessive signal loss due to a cable span that’s too long • Excessive signal loss due to a contaminated connector • Excessive signal loss due to faulty splices or connectors • Excessive signal loss due to having too many splices or connectors • Faulty connection of fiber to the patch panel or in the splice tray Typically, if a connection is completely dead, it’s because of a break in the cable. However, if the connection is intermittent, there are several possible
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