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How to clean the fiber end face?
Jul 02 , 2021
In the optical communication system, it was found that the optical loss doubled for no reason, even the optical signal was cut off, and the network connection failed. After investigation, it was found that the "culprit" was actually a large number of invisible particles, dust, and dust on the end face of the optical fiber. Dirt such as oil stains. Therefore, the cleaning of the fiber end face shou...
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Four Basic Steps to Complete a Proper Fusion Splicing
Jul 15 , 2021
Step 1. Preparing the Fibers 1. Strip jacket and remove an adequate amount of jacket, usually 2-3 m, for splicing and dressing the buffer tubes and fibers in the splice closure. Leave the proper amount of strength members to attach the cable to the closure. Refer to the splice closure directions for lengths needed. Clean all water-blocking materials using appropriate cleaners. 2. Remove buffer tub...
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Why can't the OTDR test, how to test?
Jul 26 , 2021
For our communication, OTDR is the equipment that we usually have to get in touch with, so analyzing OTDR and detecting faults is a skill we need to learn So what aspects should we start with if the OTDR test fails? Next, the editor will take you to learn more about how to detect OTDR problems. Especially when it can't be tested. 1. The optical port is not plugged in properly. Our OTDR optical por...
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The Most Import Thing You Need To Know About Fiber Optic Power Meters
Jul 30 , 2021
Optical Power Meters Here The fiber optic power meter is a special light meter that measures how much light is coming out of the end of the fiber optic cable. The power meter needs to be able to measure the light at the proper wavelength and over the appropriate power range. Most power meters used in datacom networks are designed to work at 850nm and 1300nn. Power levels are modest, in the range o...
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Why the fiber end face always appears bad when the fusion splicer is splicing?
Aug 04 , 2021
1. The new end face is contaminated by debris, dust, etc. Solution: Do not let the cut fiber end face touch anything; 2. When cutting the optical fiber, the angle is too large. In this case, it may be a problem with the cleaver blade. Change a blade for an interview, or there may be debris in the fiber groove of the cleaver. Use a sharp object to clean the fiber groove. ； 3. There are gray and dar...
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Classification of optical fiber loss.
Aug 13 , 2021
The optical fiber loss can be divided into the inherent loss of the optical fiber and the additional loss caused by the service conditions after the optical fiber is made. The details are as follows: Optical fiber loss can be divided into inherent loss and additional loss. The inherent loss includes scattering loss, absorption loss and the loss caused by the imperfect structure of optical fib...
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what's the difference of fiber connector?
Aug 17 , 2021
Given the variety of splice options available to fiber network planners today identifying the best connector for FTTH can be overwhelming. Consequently often not much thought is given to connector selection with choice driven by cost, availability or what’s been used before. However each connector has its own unique design and therefore, pros and cons. Over time or depending on project...
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What is OTDR Blind Area?
Aug 26 , 2021
Why does the blind area come up? The OTDR produces a blind area because the OTDR's detector is temporarily "blinded" by the high intensity Fresnel reflection light (mainly caused by the air gap between the OTDR connections). When the high intensity reflection is produced, the power of the photodiode is more than 4000 times higher than the backscatter power. Thus, the reflected light signal receive...
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The knowledge of photoelectric composite cable
Sep 01 , 2021
Photoelectric composite cable refers to a transmission line suitable for broadband access network systems. It is a new type of access method. It integrates optical fiber and copper wire for power transmission. It can solve the problems of broadband access, equipment power consumption, and signal transmission. structure Photoelectric composite low-voltage cables (referred to as photoelectric compos...
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Do you know what kinds of optical fiber connectors there are?
Sep 10 , 2021
In the field of optical fiber, optical fiber interface (also known as optical fiber connector) is a common product, which is a detachable device between optical fiber and optical fiber, and connects the two ends of optical fiber. It is not only connected to the optical fiber, but also can be repeatedly plugged and unplugged, so it has also become a movable connector of the optical fiber. With the ...
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Introduction and use of the optical cable identifier
Sep 17 , 2021
When using the optical cable identifier, the user only needs to tap the optical cable lightly to easily find the target. The built-in system of the instrument can convert the tapping information into audio and video signals. In other words, we can hear or see the target optical cable. Where. The optical cable identifier completely replaces the previous cutting, bending, freezing and other methods....
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How to solve these six problems encountered in the process of optical fiber fusion splicing?
Sep 29 , 2021
1. There are bubbles or cracks in the contacts during welding This situation may be due to poor fiber cutting, such as the end face is inclined, burrs, or the end face is not clean, and the fiber needs to be cleaned before the splicing operation; there is also a situation that the electrical electrode is aging and the electrode rod needs to be replaced. 2. The welding is too thick or the contact p...
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The key points of fiber cleaver use
Feb 17 , 2022
Optical fiber cleavers are used in relatively harsh environments, so correct operation and maintenance are of great significance to ensure the service life of the cleaver and the quality of fiber cleaving. The D12 fiber cleaver of Shenhuo Seiko Nanjing Communication Technology Co., Ltd. is a compact and easy-to-operate fiber cleaver, which can be used to cut single-mode, multi-mode, dispersion and...
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Ten reasons for excessive splicing loss of optical fiber
Feb 23 , 2022
1. Choose the wrong optical fiber splicing program; for example, misselect the single-mode splicing program to multi-mode. 2. The cutting angle of the end face of optical fiber is too large. 3. The optical system is dirty, mainly the reflector and objective lens. 4. V-shaped slot dirty, optical fiber pressure foot dirty. 5. The aging of the electrode leads to the weak discharge intensity, and the ...
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Difference between G652 fiber and G654 fiber
Mar 18 , 2022
G.652 optical fiber is the most widely used optical fiber. At present, except for fiber-to-the-home (FTTH) home optical cables, almost all optical fibers used in long-distance and metropolitan areas are G.652 optical fibers. From the perspective of light energy distribution, the optical signal in the single-mode fiber is not only transmitted in the core, but also in the cladding. In ...
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What is the difference between fiber patch cords and pigtails?
Apr 01 , 2022
The difference between the two is that the pigtail is used to connect the optical cable and the jumper, and the jumper is to connect the pigtail and the terminal equipment. Optical fiber jumper is a jumper used from equipment to optical fiber cabling link, also known as optical fiber connector, which has a thicker protective layer and is generally used in the connection between optical transceiver...
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