Z-Technology Questions and Answers
Technology Questions and Answers on many topics from Networking, internet, to Fiber to the home (FTTH).
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				03:32 Popular  Fiber Optic Connector Polishing TechniqueAdded 421 Views / 0 LikesThe key to getting well-polished connectors is in the technique. One problem is getting just the right pressure on the connector when polishing. FOA instructor John W Wajvoda came up with a really simple idea how to teach his students the right pressure t Featured
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				12:41 Popular  FOA Lecture 27 Fiber Optic Data Links (revised)Added 451 Views / 0 LikesA fiber optic datalink transmits the signals over fiber optics. A datalink combines a transceiver that performs an electrical to optical conversion of an input signal, the cable plant that transmits the signal and a receiver that does the optical to elect Featured
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				09:24 Popular  Using An OTDRAdded 382 Views / 0 LikesThis is an FOA video showing how an OTDR is used for testing optical fiber. It shows the difference in traces according to how one sets up the OTDR test parameters. Featured
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				08:30 Popular  Visual Inspection Of Fiber Optic Connectors Using A MicroscopeAdded 463 Views / 0 LikesIn this FOA Hints video we show how to use a microscope to inspect connectors for dirt and damage are and even how well they are made. We also show how to determine fiber types. Featured
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				16:11 Popular  Lecture 28 Fiber CharacterizationAdded 474 Views / 0 LikesThis is the 28th lecture in the FOA series of lectures on fiber optics. Reference material is found on the FOA Guide website. As networks get faster and use more wavelength division multiplexing, long distance links may require testing for the special nee Featured
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				06:42 Popular  Premises Cabling Lecture 11: Counterfeit CablesAdded 433 Views / 0 LikesCounterfeit "Cat 5" cables have been sold in the US and elsewhere around the world. There are serious problems with these cables regarding electrical performance and safety issues associated with flammability of cheap plastic insulation. In this video, we Featured
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				08:20 Popular  FOA Lecture 29 Plastic Optical Fiber - POFAdded 441 Views / 0 LikesThis video has been updated. Please see the new version. Plastic optical fiber is a low cost alternative for glass fibers for short lengths and lower speeds. This video looks at the differences between POF and glass fibers and how POF is used in typical a Featured
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				18:05 Popular  FOA Lecture 30 - OLAN - The Fiber Optic LANAdded 490 Views / 0 LikesMost LANs (local area networks of computers) are based on a network architecture derived from telephones in the early 1980s. The wire for structured cabling used for networks is twisted pair just like POTs (plain old telephone service), but upgraded for m Featured
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				08:40 Popular  FOA Lecture 29 Plastic Optical Fiber - POF (updated)Added 408 Views / 0 LikesPlastic optical fiber is a low cost alternative for glass fibers for short lengths and lower speeds. This video looks at the differences between POF and glass fibers and how POF is used in typical applications. Featured
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				09:12 Popular  FOA Lecture 31 Wavelength Division Multiplexing (WDM)Added 336 Views / 0 LikesMany fiber optic networks use wavelength division multiplexing to share a single fiber for multiple channels by using different wavelengths or colors of light for each channel. This FOA Lecture discusses how WDM works and shows how it works with a live de Featured
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				06:55 Popular  FOA Lecture 32 Fiber AmplifiersAdded 508 Views / 0 LikesFiber amplifiers are used to regenerate signals in long links. Fiber amplifiers require a minimal amount of power and have few parts so they are very reliable. A big advantage is they can amplify signals over a relatively large wavelength range allowing t Featured
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				24:13 Popular  FOA Lecture: Cabling Project ManagementAdded 457 Views / 0 LikesCabling is the infrastructure of a communications system - and by cabling we mean copper and fiber plus the wireless access points. Every successful cabling project requires the owner of the network and the contractor installing it to work together to des Featured
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				06:46 Popular  Prepolished/Splice Fiber Optic Connector Termination (Panduit Opticam)Added 478 Views / 0 LikesThis FOA hands-on video shows how to terminate a prepolished/splice fiber optic connector using the Panduit OptiCam connector as an example. Featured
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				21:42 Popular  Where Are The Jobs In Fiber Optics?Added 444 Views / 0 LikesFiber optics is a big field. It's a technology used by all communications types including wireles, but also in applications in information technology, security, energy, manufacturing, entertainment and many more. In this video, FOA looks at all these appl Featured
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				03:33 Popular  Fiber Optics Live! How Light Travels In A FiberAdded 521 Views / 0 LikesThe FOA has created a new series we call "Fiber Optics - Live!" where we create lab demonstrations that allow you to actually see how optical fiber and other fiber optic components work. In this video, we show hiow light travels in a fiber. We use a 30mm Featured
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				03:21 Popular  Fiber Optics Live! Fiber AttenuationAdded 458 Views / 0 LikesThe FOA has created a new series we call "Fiber Optics - Live!" where we create lab demonstrations that allow you to actually see how optical fiber and other fiber optic components work. In this video, we use a plastic rod and two laser pointers at differ Featured
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				03:58 Popular  Fiber Optics Live! Connector LossAdded 460 Views / 0 LikesThe FOA has created a new series we call "Fiber Optics - Live!" where we create lab demonstrations that allow you to actually see how optical fiber and other fiber optic components work. In this video, we show how fiber optic connectors work and what caus Featured
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				13:03 Popular  FOA Lecture 34 NetworksAdded 385 Views / 0 LikesWhile the FOA primarily focuses on the cabling infrastructure used by networks, we often get questions on how networks work. Trying to read online tutorials on networks are often very difficult because of the technical level of the material and the incomp Featured
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				07:14 Popular  Lecture 35 Network ArchitectureAdded 419 Views / 0 LikesCommunications networks can use many different ways to connect users - star networks, bus networks and ring networks. This video gives an overview of them and discusses some of the networks that have used them. Featured
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				12:59 Popular  Lecture 36 Network Bandwidth SharingAdded 451 Views / 0 LikesCommunications networks are designed to connect users and allow sharing of data. But they must also provide for sharing the network bandwidth by providing traffic management. This video explains the ways networks have been developed to share bandwidth and Featured




