Fiber Optic

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Why it is important to have a good cleave? It is very important to cleave the fiber properly in order to get good fiber optic splices or terminations. You waste a lot time when you have a bad cleave, you have to do again. When the cleaver is bad, many time, it takes longer to splice or the test results are bad. Therefore having a good cleaver is a good investment.

A good cleave for fiber termioantion

Why it is important to have a good cleave? It is very important to cleave the fiber properly in order to get good fiber optic splices or terminations. You waste a lot time when you have a bad cleave, you have to do again. When the cleaver is bad, many time, it takes longer to splice or the test results are bad. Therefore having a good cleaver is a good investment.

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What is cleaving? What is an optical cleaver? Cleaving is the process by which an optical fiber is “cut” or precisely broken for termination or splicing. A fiber cleaver is a tool that precisely "breaks" the fiber to produce a flat end for polishing or splicing. This KSA (Knowledge, Skills and Attitudes) sharing comes from 100G Training. Let these help you in your progress. Cheers!

What is a FO connector? In the fiber optic jargon, it is NOT called “a plug and socket” but termed as a connector. A connector is a device which terminates an optical fiber and allows temporary joining of fibers

What is a FO connector?

What is a FO connector? In the fiber optic jargon, it is NOT called “a plug and socket” but termed as a connector. A connector is a device which terminates an optical fiber and allows temporary joining of fibers

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How many fiber connectors designs?

There are over 100 unique connector designs being offered in the history of fiber optics. Most have faded from use or never became popular, so only a few connector styles dominate today’s networks. Multimode installations generally use the ST or SC connector, with a growing number of LC SFF (Small Form Factor) connectors. LC has become the standard for transceivers at 1Gb/s and faster. Singlemode applications use mostly SC or LCs, but many installations are still using older designs.

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What is Fusion Splicing

What is Fusion Splicing? Fusion splicing is the process of fusing or welding two fibers together usually by an electric arc. Fusion splicing is the most widely used method of splicing as it provides for the lowest loss and least reflectance, as well as providing the strongest and most reliable joint between two fibers. This KSA sharing comes from 100G Training. Let these help you in your progress. Cheers!

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2 Types of Splices:- 1)Fusion splicing is done by welding the two fibers together, usually with an electrical arc with an automated splicer which aligns the fibers exactly. 2)Mechanical splices use an alignment fixture to mate the fibers and either a matching gel or epoxy to minimize back reflection.  This KSA sharing comes from 100G Training. Let these help you in your progress. Cheers! Cable Management, Fiber Optic, Knowledge, Training, Technology, Type, Welding, Epoxy, Cheers

2 Types Fiber Splices

2 Types of Splices:- 1)Fusion splicing is done by welding the two fibers together, usually with an electrical arc with an automated splicer which aligns the fibers exactly. 2)Mechanical splices use an alignment fixture to mate the fibers and either a matching gel or epoxy to minimize back reflection. This KSA sharing comes from 100G Training. Let these help you in your progress. Cheers!

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Testing Fiber Optic

Testing the installed fiber optic cable plant is one of the most important steps to ensure that they're functioning properly. After fiber optic cables are installed, spliced and terminated, they must be tested. For every fiber optic cable plant, you need to test for continuity and polarity, end-to-end insertion loss and then troubleshoot any problems.

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Fiber Connectors Color Codes

FO connector color code :- The TIA 568 color code for connector bodies and/or boots is Beige for multimode fiber, Blue for singlemode fiber, and Green for APC (angled) connectors. The “normal” colors for connectors are as shown in the picture, but other colors are sometimes used, especially for multimode. The thing to remember is green means APC and it CANNOT be mated with other types of connectors. No photo description available.

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How to join optical fiber?

How to join optical fibers? First, we can join with connectors that can mate two optical fibers to create a temporary joint. The connector can also be connected to transmitters and receivers. Second, we can join with splices which create a permanent joint between the two fibers.

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Fiber Continuity & Polarity Testing

A basic fiber test consists of using a visible light source to check for end-to-end continuity of a fiber, and connector polarity. This type of tester is called a visual fault locator (VFL), and uses a visible red laser to visually detect breaks in continuity caused by fiber bends, breaks and faults. It can also be used to check the polarity of duplex and MPO cables.

It is important to do a visual inspection of connector because you want to make sure the end face of the connector is good and there is no dirt or scratches on the core of the optical fiber.  Do this by using a hand held or video fiber microscope to look at connector ends for contamination and damage such as dirt, oil, scratches and epoxy.  All connectors--even brand new jumpers with a factory finish--should be cleaned prior to mating. Fiber Optic, Jumpers, Epoxy, Core, Train, Jumper, Synthetic Resin

Visual inspection of fiber connector

It is important to do a visual inspection of connector because you want to make sure the end face of the connector is good and there is no dirt or scratches on the core of the optical fiber. Do this by using a hand held or video fiber microscope to look at connector ends for contamination and damage such as dirt, oil, scratches and epoxy. All connectors--even brand new jumpers with a factory finish--should be cleaned prior to mating.

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Measure Optical Power

An optic power meter is (OPM) an instrument that measures optical power emanating form the end of a fiber. It is used to accurately measure the power of fiber optic equipment or the power of an optical signal passed through the fiber cable (power measurement). It also helps in determining the power loss incurred to the optical signal while passing through the optical media (loss testing).

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Fiber Optic Loss Testing

Testing for loss (also called "insertion loss") requires measuring the optical power lost in a cable (including fiber attenuation, connector loss and splice loss) with a calibrated light source and power meter (LSPM) or optical loss test set (OLTS.) Loss of a cable is the difference between the power coupled into the cable at the transmitter end and what comes out at the receiver end.

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Optical Time Domain Reflectometer (OTDR)

The Optical Time Domain Reflectometer (OTDR) is useful for testing the integrity of fiber optic cables. It can verify splice loss, measure length and find faults. The OTDR is also commonly used to create a "picture" of fiber optic cable when it is newly installed.

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Follow up to the previous post, and to answer to the questions asked, please see this post and the next post on SM and MM. Multimode fiber has light traveling in the core in many rays, called modes. It has a larger core (almost always 50 or 62.5 microns) which supports the transmission of multiple modes (rays) of light. Graded index MM is used for lower speed data networks like LAN or security systems. With laser or LED sources at wavelengths of 850 and 1300 nm