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Optical Fiber Introduction

  • The distinguish between fiber patch cord and twisted pair
    The distinguish between fiber patch cord and twisted pair
    • October 23. 2021

    This blog ETU-LINK takes everyone to understand the difference between optical fiber, copper cable and twisted pair. First of all, let’s understand the twisted pair. The twisted pair is made up of multiple groups of insulated copper wires intertwined. The internal medium of the twisted-pair cable is also copper wire, and the internal transmission is an electrical signal. According to the principle...

  • ETU takes you to know what is an integrated optical fiber wiring system
    ETU takes you to know what is an integrated optical fiber wiring system
    • October 14. 2021

    In this article, ETU-LINK will take everyone into the optical fiber cabling system, which is simply the transmission network in buildings and complexes. The integrated wiring system is a digital infrastructure built by intelligent offices, which can support integrated applications such as voice, data, graphics, and multimedia. The integrated optical fiber wiring system is divided into the followin...

  • Analysis of related problems after optical fiber patch cord test
    Analysis of related problems after optical fiber patch cord test
    • August 31. 2021

    In this article, ETU-LINK will explain several problems that may occur after the optical fiber test is passed and the corresponding detailed analysis. (1) Why does the optical fiber test pass, but the packet is still lost when the network is running? In the standard selection, many users will make some obvious mistakes, such as not paying attention to whether the tested fiber is 50/125μm (OM2, OM3...

  • Analysis of insertion loss and return loss of optical fiber patch cords
    Analysis of insertion loss and return loss of optical fiber patch cords
    • August 28. 2021

    Fiber patch cords are widely used in the field of optical communications and optoelectronics. Insertion loss and return loss are two important indicators of fiber patch cords. Insertion loss will weaken the optical power in the optical link and reduce receiving sensitivity, while return loss will change the spectral width of the laser diode of the light source, introduce noise to the sys...

  • Application of PoE optical fiber transceiver in remote video monitoring system
    Application of PoE optical fiber transceiver in remote video monitoring system
    • August 26. 2021

    Nowadays, video surveillance systems have become one of the indispensable infrastructures in all walks of life. With the popularization of high-definition and intelligent applications of video surveillance cameras, the requirements for video transmission signal quality, stream bandwidth and transmission distance have been improved. ETU-LINK will introduce to you today the use of PoE media converte...

  • Application of optical fiber patch cord and precautions for use
    Application of optical fiber patch cord and precautions for use
    • July 13. 2021

    The application of optical fiber patch cord is more and more widely, and it is often used in communication room, local area network, cable TV, light into the home and other system networks, but it is relatively fragile, so we need to be extra careful when wiring. So how should the optical fiber patch cord be connected? And what are the precautions in the use process?   Optical fiber patc...

  • Optical fiber test method
    Optical fiber test method
    • July 09. 2021

    Optical fiber testing is divided into primary testing and secondary testing. The primary testing is also the basic testing. It mainly tests the insertion loss (that is, attenuation) of the optical fiber and the length of the optical fiber link. No matter it is single-mode fiber or multi-mode fiber, they are all made of glass fiber, and natural loss will inevitably occur when optical pulse sig...

  • The difference between multimode fiber OM3-150 and OM3-300
    The difference between multimode fiber OM3-150 and OM3-300
    • May 21. 2021

    The OM3 patch cord is a 10-Gigabit multi-mode patch cord. The multi-mode fiber uses light-emitting diodes as the light source, allowing multiple beams of light to propagate in the fiber at the same time, thereby forming a mode dispersion. Mode dispersion technology limits the bandwidth and distance of multimode fiber. Therefore, the core wire of multimode fiber is thick, the transmission speed is ...

  • What are the types of fiber patch cord and the corresponding colors?
    What are the types of fiber patch cord and the corresponding colors?
    • December 29. 2020

    Optical fiber communication technology and computer technology as the two pillars of information technology, in which the computer is responsible for digitizing information, while optical fiber is responsible for transmitting information. Optical fiber communication uses light waves as carrier waves to transmit information from A to B. According to ITU-T standard, communication optical fiber can b...

  • Single mode or multimode fiber, did you choose the right one?
    Single mode or multimode fiber, did you choose the right one?
    • November 05. 2020

    Multimode optical fiber is the most original technology of optical fiber communication, which is a revolutionary breakthrough for human beings to realize communication through optical fiber for the first time. Later, with the development of optical fiber communication technology, especially the development of laser technology and people's urgent need for long distance and large amount of informati...

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