Written by Dave Harris, a liking technical specialist, Bicsi Instc Certified
The optical fiber cable and the twisted copper cable shares many similarities. Both are delivered in a file or on a ball. It is installed in the same general location by the same people for the same general purpose. It looks similar, before and after installation. But the physical difference in copper and glass connectors requires various treatment procedures. Imagine what happens when a piece of wire is distorted, and compare it with what happens if you distort a piece of glass. It may be clear that the glass fibers are more fragile, and they should be treated with more care.
Data transmission with light also represents other challenges, adding safety and hygiene issues. It may take some time and effort to reach the installation of the optical fiber cable. We thought it might be useful to refer to some things that many new arrivals should learn (or not get rid of them) on their way to the efficiency of optical fibers. You can learn more about installing the optical fiber cable in a relevant article, “How: Install the optical fiber cable for success“
Therefore, starting with some safety -related things, here are the 10 best things that you should never do with the optical fiber cable.
1. Do not look at the end of the fiber.
The light produced by the visual optical fiber laser for the human eye. However, it has enough energy to permanently damage the retina. Even if the fibers appear dead, it may not be. It is very important that it is a conscious habit not to look directly to this party. It is difficult, but it is fine. Nothing is really there, anyway.
2. Do not cut optical fiber cables without taking safety precautions.
Every time the optical fiber cable is cut in the field, small invisible glass fragments can be produced. It is easily absorbed through eyes, lungs and skin. Once this happens, our bodies are not any way to remove them. This creates safety problems during the treatment of fibers that are not present when working with the cable made of metal conductors. Always keep this into consideration while working with optical fibers, and be ready to work safely.
2A. Do not offend fiber fragments.
Although it is in the interest of everyone to prevent fiber fragments, sometimes it cannot be helped. While connecting the optical fibers, the division produces unavoidable fiber waste. Anyone who is also fiber is also responsible for treating this waste and accountability. Therefore, every cleaver should be accompanied by the acute tools container for safe storage and determining this secondary product that is likely to be dangerous.
The container to get rid of sharp tools. ((Thorbs.com))
2 b. Do not forget your personal protection equipment.
If your mission requires you to cut optical fiber cable for any reason, you will need to protect the eye and protect the airway. Even your skin is vulnerable to infiltration with small glass fragments. Gloves should be worn during cutting, and during the linking procedures when it is possible.
2c. Do not expose others to invisible risks.
You may have already your personal protection equipment in place, but others in the area may not. Be aware of the people around you while working with the optical fiber cable. Make sure they realize any risks they may be exposed to.
Think in a state in which a company like you contracted to remove all equipment and cable from a data center so that the area can be upgraded or re -compensated. It may be tempting to send a crew of non -trained workers armed with them Kevlar cutters Short everything as quickly as possible. But think about the environment that may be created for the reassuring demolition crew, and anyone else needs to use the space in the future. In this scenario, people depend on project managers and team leaders for their safety, and may not realize this without training. You can learn more about the safety of optical fibers in, “,”A comprehensive guide to optical fiber safety“
2D. The optical fiber cable does not cut very short.
What is the old proverb? “Measure twice, cut once.” I know that cutting a lot of cable is not a safety problem, but it is definitely something to avoid while cutting the fiber cable. One will regret it if he does that, so this is a friendly reminder of not. It is always good to end the safety of safety on a light note.
3. Do not step or crush optical fiber cable in another way.
Identify how optical fibers work, but working with it is another. It may be necessary to examine old habits. We can throw a copper cable file in the truck bed without thinking, but it is better to think before we do it with a file of optical fibers. To keep their crushing, the trick is to protect your fiber from side forces (from the side). So we try not to drop it, and we try to keep things outside during storage and transportation. There are different constructions from the optical fiber cable, and some can withstand the side forces better than others, but never assume they can. The goal is to form some new cable treatment habits that reduce side forces and physically protect the optical fiber cable.
4. Do not use the paths designed for copper cable.
Copper cable tracks often benefit from intermittent support that communicates with the cable every foot or so. These support, such as D, and J-Hooks rings, work well for copper cable, but they are not perfect for optical fibers. This support ends, causing the side force to localize the support, or focus in one spot on the cable. This can happen even if the use of the ladder or basketball shelf. In most cases, strength is limited to the weight of the cable. But if the path is also occupied by other cables, especially heavy copper cables, the additional weight can cause signal loss in the fibers, and in extreme cases, the fiber can be crushed.
In the real world, we sometimes do not reach the engineer of our own paths and we must use what is already exist. If you are facing this type of path, the use of a flexible interior canal can provide a solution. The corrugated plastic pipes provide continuous support for fiber, which removes the side force “hot points”.
5. Do not pull or optical fiber package with copper cable.
Pull the optical fiber cable along with Copper cable It is not recommended. Fiber can become a brand between copper cables, and this leads to side forces. Even if the fibers are withdrawn alone, the natural trend is for the cable to turn while moving. Always attach your withdrawal device with a roundabout. This convenience provides the forces of twisting, so it prevents the cable from twisting, and helps to move in the canal bends.
After installation, the fibers should still keep separate from the copper cable packages. Flexible InnerDUCT can help in this. It will not only keep them separate, but also provides a ready -made path for the installation of additional fiber cables.
A look on the ceiling in a building in the old hospital after decades of high -tech promotions and promotions. The optical fibers are protected inside the elastic orange interior canal on the left.
6. The sentences do not withdraw the optical fiber by sentences by shields or jacket.
The corrugated shields that are found are often the protection of the optical fiber cable as if they were completely protected to obtain hands. But the fibers are not withdrawn from a reel by absorbing shields. The shield cover the cable, but it is not associated with it in any way. It is possible to pull the shield directly from the cable, especially if it is long and heavy.
The fiber cable should only be pulled by the strength of the strength, which runs the length of the cable. The strength is usually made of Aramid (Kevlar), or sometimes the metal. Her main special is that she will not stretch or break, and her pull will not harm the fiber. The pulling of the jacket or shields can disassemble the cable, and it will be destroyed by pulling optical fiber threads.
In some cases, Aramid fibers are combined into the cable jacket. This allows the cable to be withdrawn by the jacket, because the jacket is a member of the strength. Therefore, it can be important Learn how to build your cable.
7. The optical fiber cable does not pulling severely.
The maximum of the amount of clouds that must be applied when pulling the loose optical fiber cable is 50 pounds. For pre -terminated fibers, the maximum tension for the cloud sock is 16 pounds. The force that exceeds this should be avoided because it may damage the cable jacket or break the fiberglass. If you feel a great deal of resistance or “hard stop”, stop withdrawal and investigation. Remember to make sure that you are withdrawn by a member of the strength.
8. Do not bend very tight.
Make sure to keep it from Overbunding or Kinking Fiberial Cable. Each fiber cable we sell It has the minimum half -diameter circle in its specifications paper. The cable bends the signal loss a lot, as light passes through a tightly prepared jacket and escapes. The fiber fold will more will break the optical fibers.
Use overwhelming bends when preparing the channel to avoid overcoming the cable. Also, be sure to secure fiber cables enough to avoid bending or navigating if they are disturbed during service.
development “”Fiber is not sensitive to bendingIt led to less vulnerable cables to separate when bent, but even the fibers are not sensitive to bending have a lifestyle of the lower diameter that must be taken into account.
9. Do not distort it.
Fiberial twisting is another way to break it. As mentioned earlier, pulling the cable without using a rotating attachment leads to a twisted cable. If this cable is made up of optical fibers, this will be vulnerable to damage by fracture, especially if the clouds also include copper cables.
Another way to damage the fiber cable that may not be clear. If you have a file of fiber, and try to straighten it by dismantling it like the accordion, then you damage the fibers. Whether you are installing loose fibers from a reel, or a fiber correction wire from a small file, always make sure to straighten it by wrapping it from the virgin or file.
10. Do not remove the cap from the end of the fiber without inspection and cleaning.
Reason No. 1 of the failure of the optical cables fiber is dirt on the faces of the fibers. I don’t know if there is some strength (fixed charge, perhaps?) My physical particles are physically attracted to the ends of the fiber, but they definitely look like that. If you are working with optical fibers, you may already be used to Ends of the end of the fiber cleaning Every time you remove dust hats. If you are not usually, you will be so, if you want to make your fiber connections as expected.
Is it not possible for a spot of dust to land on her face immediately after cleaning it, but before installing it? definitely. It is also possible to transfer a spot of dust from the cleaner itself. You can be reasonably sure of your final status by including use Inspection range In fiber cleaning procedure.
The scope of fiber examination
The inspection range provides microscopic photography to the end of the fiber end. This can reduce the number of unnecessary cleaning and can help diagnose difficult performance problems.
conclusion
There are many things that you should never do with the optical fiber cable, and it does not require much imagination to evoke more, some of which can be entertaining. But I really believe that these are the first ten, while throwing some safety. Most installation requirements that are alien to the optical fiber cable are included in these ten. After all, “do not use optical fibers to withdraw your truck” will be just an entertaining reminder to monitor the right withdrawal tension, and “do not link it in a knot” is not a problem if you continue to bypass the restrictions of the diameter of the curvature.
In general, what makes the optical fiber cable installation different from fixing the copper cable is the fragility of the optical fiber. So the bottom line is, be careful, and …
Happy networks!
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