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100G Training and Consultancy Pte Ltd
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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.
Recognized and professional training and certification
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!
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.
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!
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!
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.
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.
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.
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.
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.
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).
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.
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.
Recognized and professional training and certification
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
Singlemode fiber has a much smaller core, only about 9 microns, so that the light travels in only one ray (mode.) Please also see other post on MM. It is used for long distance, telephony, Telco outside plant, CATV and FTTH with laser sources at 1310 and 1550 nm. It can go very long distances at very high speeds.
DIRT on fiber connector
DIRT on connector is the biggest problem - CLEAN and inspect EVERY connection. Picture shows a fiber optic inspection microscopes is used to inspect the end face of an optical fiber connector for dirt, scratches or other defects. www.100gtraining.com No photo description available.
Fiber Connector Cleaning
There are different methods used to clean connector; such as Wet (with alcohol and dry) and Dry (click and clean) Dry fiber optic cleaning tools (one click) are easiest to use in the field. You must never assume that factory-installed connectors are perfect or stay clean. Dirt is the #1 enemy of fiber optic connectors because it can cause loss and reflectance, even damage connectors. www.100gtraining.com
Danger of Fiber Scraps
The broken ends of fibers & scraps of fiber created during termination and splicing can be extremely dangerous. The ends are extremely sharp and can easily penetrate your skin. The real issue of eye safety is getting fiber scraps into the eye. If they get into your eyes, they are very hard to flush out and will probably lead to a trip to the emergency room at the hospital. Whenever you are working with fiber, wear safety glasses!
Learn Fiber Optic
It is important to follow the fiber color code when splicing or installing the connectors to the panel as shown in picture. If the color format is not followed accordingly from one end to the other end of the installation, you will FACE CONTINUITY AND POLARITY ISSUES. There will be a mix-up of the ports and you have to spend time to troubleshoot and rectify them. Following the code helps you save time, better cable management and reduce human errors. This KSA sharing comes from 100G Training.
Learn Fiber Optic
Inside the cable or inside each tube in a loose tube cable, individual fibers will be color coded for identification (color format as shown in picture). The color code used in fiber optics, resembles that of copper cabling. The major difference is 12-color sequence as oppose to 10-color for copper. The sequence of colors is the same, with addition of two colors - Rose (11-th) and Aqua (12-th). This KSA sharing comes from 100G Training. Let these help you in your progress. Cheers!
Learn Fiber Optic
Why FO armored cables are used? It is used because of their strong jackets to withstand crushing and rodent penetration. Armored cable adds metal or dielectric armor over cable, typically to prevent rodent damage in direct burial installations. It is also can be used in any application to prevent crushing, even indoors, for example in raised floors where there are many heavy cables already installed and potential of crushing the cable is high. www.100gtraining.com