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Check Your Fiber Optics
If you have a fiber optics network, you would want to have your fiber optics tested to check and/or measure optical loss in your fiber optic cable. you can utilize a few fiber optic test equipment with various purposes to check an optical fiber or optical transceiver. Don't be confused with what you must make use of as this will guide you. It's important that you check your fiber optics to make sure that your SFP transceiver or HP SFP will work just fine too.
To be sure that there are no breaks in the fiber, you need to do an initial test prior to mounting an optical fiber cable. You can do this with a visual tester device that depends on your own eyes to confirm that the fiber is intact, free from any kind of breaks. A visual tester device normally produces a visible red light that you attach to one of the fiber, switch on the light, and see if it shines out of the other end of the fiber. Then the fiber is unbroken if it does.
Once you have installed the fiber cable through walls and panels, you'll want to check it again. This is because there is a tendency that the installation process can stress the cable, possibly creating breaks or damaging connectors.
There are two kinds of visual testers: the visual light tester, and the visual laser tester. The visual light tester, also called as a continuity tester, is only a flashlight that gives off a visible red LED light. On the other hand, the visual laser tester, also known as a visual fault locator, is a device that injects a more powerful laser light into the fiber.
Since excessive bends or breaks in a fiber will the light to [escape through the fiber's jacket, the visual laser tester makes it possible to point where the problem. However, you have to remove the outer cable jacket first to perform this test, and the testing distance is only a few kilometers of fiber. Especially if the connector has a plastic ferrule tip, you can also examine problems with connectors with this device.
These two devices, the visual light tester and the visual laser tester can easily recognize if the fiber link is broken or not, but if you want to know more details about the subtle losses of light, you'll want an optical lost test set. This is to determine whether the power of the light, at your operating wavelength, is enough to do the job.
The optical loss test (OLT) is the first test. It consists of two units, a light source and a power meter, that are fixed to the opposite ends of the fiber cable. You inject light from the light source at one end of the fiber and measure the amount of light at the other end using the power meter. This test will include all the components of the fiber link, together with connectors and splices, where optical loss could occur.
The fiber link should work alright if the power meter shows that there is enough signal strength.
If you have a long fiber network, you can utilize an OTDR to pinpoint the glitches. It has a large screen where traces and other data are displayed like the type, location, and severity of loss events, as well as the length of the fiber link.
Be sure you do apply which is pertinent to your fiber optic network now that you know the various devices to check your fiber optics. Your other fiber optic devices like SFP transceiver or HP SFP will depend on the quality of your fiber link.
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