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Technology Questions and Answers on many topics from Networking, internet, to Fiber to the home (FTTH).

  • 03:32 Popular Fiber Optic Connector Polishing Technique

    Fiber Optic Connector Polishing Technique

    by The Fiber Optic Association Added 344 Views / 0 Likes

    The 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

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  • 12:41 Popular FOA Lecture 27 Fiber Optic Data Links (revised)

    FOA Lecture 27 Fiber Optic Data Links (revised)

    by The Fiber Optic Association Added 374 Views / 0 Likes

    A 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

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  • 09:24 Popular Using An OTDR

    Using An OTDR

    by The Fiber Optic Association Added 319 Views / 0 Likes

    This 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.

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  • 08:30 Popular Visual Inspection Of Fiber Optic Connectors Using A Microscope

    Visual Inspection Of Fiber Optic Connectors Using A Microscope

    by The Fiber Optic Association Added 390 Views / 0 Likes

    In 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.

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  • 16:11 Popular Lecture 28 Fiber Characterization

    Lecture 28 Fiber Characterization

    by The Fiber Optic Association Added 381 Views / 0 Likes

    This 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

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  • 06:42 Popular Premises Cabling Lecture 11: Counterfeit Cables

    Premises Cabling Lecture 11: Counterfeit Cables

    by The Fiber Optic Association Added 366 Views / 0 Likes

    Counterfeit "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

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  • 08:20 Popular FOA Lecture 29 Plastic Optical Fiber - POF

    FOA Lecture 29 Plastic Optical Fiber - POF

    by The Fiber Optic Association Added 376 Views / 0 Likes

    This 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

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  • 18:05 Popular FOA Lecture 30 - OLAN - The Fiber Optic LAN

    FOA Lecture 30 - OLAN - The Fiber Optic LAN

    by The Fiber Optic Association Added 393 Views / 0 Likes

    Most 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

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  • 08:40 Popular FOA Lecture 29 Plastic Optical Fiber - POF (updated)

    FOA Lecture 29 Plastic Optical Fiber - POF (updated)

    by The Fiber Optic Association Added 329 Views / 0 Likes

    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 applications.

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  • 09:12 Popular FOA Lecture 31 Wavelength Division Multiplexing (WDM)

    FOA Lecture 31 Wavelength Division Multiplexing (WDM)

    by The Fiber Optic Association Added 263 Views / 0 Likes

    Many 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

  • 06:55 Popular FOA Lecture 32 Fiber Amplifiers

    FOA Lecture 32 Fiber Amplifiers

    by The Fiber Optic Association Added 414 Views / 0 Likes

    Fiber 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

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  • 24:13 Popular FOA Lecture: Cabling Project Management

    FOA Lecture: Cabling Project Management

    by The Fiber Optic Association Added 371 Views / 0 Likes

    Cabling 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

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  • 06:46 Popular Prepolished/Splice Fiber Optic Connector Termination (Panduit Opticam)

    Prepolished/Splice Fiber Optic Connector Termination (Panduit Opticam)

    by The Fiber Optic Association Added 396 Views / 0 Likes

    This FOA hands-on video shows how to terminate a prepolished/splice fiber optic connector using the Panduit OptiCam connector as an example.

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  • 21:42 Popular Where Are The Jobs In Fiber Optics?

    Where Are The Jobs In Fiber Optics?

    by The Fiber Optic Association Added 369 Views / 0 Likes

    Fiber 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

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  • 03:33 Popular Fiber Optics Live! How Light Travels In A Fiber

    Fiber Optics Live! How Light Travels In A Fiber

    by The Fiber Optic Association Added 428 Views / 0 Likes

    The 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

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  • 03:21 Popular Fiber Optics Live! Fiber Attenuation

    Fiber Optics Live! Fiber Attenuation

    by The Fiber Optic Association Added 375 Views / 0 Likes

    The 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

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  • 03:58 Popular Fiber Optics Live! Connector Loss

    Fiber Optics Live! Connector Loss

    by The Fiber Optic Association Added 374 Views / 0 Likes

    The 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

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  • 13:03 Popular FOA Lecture 34 Networks

    FOA Lecture 34 Networks

    by The Fiber Optic Association Added 312 Views / 0 Likes

    While 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

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  • 07:14 Popular Lecture 35 Network Architecture

    Lecture 35 Network Architecture

    by The Fiber Optic Association Added 334 Views / 0 Likes

    Communications 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.

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  • 12:59 Popular Lecture 36 Network Bandwidth Sharing

    Lecture 36 Network Bandwidth Sharing

    by The Fiber Optic Association Added 374 Views / 0 Likes

    Communications 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

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