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  • Silicon optical technology -- creating optical modules with higher speed and lower cost
    Silicon optical technology -- creating optical modules with higher speed and lower cost
    • July 01. 2022

    This article ETU-LINK will take you to understand some innovative changes in silicon optical technology in the optical transceiver industry. Silicon optical technology, simply say is "optical substitution electricity", by integrating a large number of optical devices into a single silicon optical chip to greatly reduce the size of the optical module, simplify the design and production of opti...

  • The development history of optical modules
    The development history of optical modules
    • July 29. 2022

    Communication has existed since the primitive society. Beacon fires and flying pigeons were common communication methods in ancient times. Later, after the industrial revolution, telegraph and telephone appeared. Until the modern optical network, communication technology has been developing continuously. However, the three basic elements to complete the information transmission, namely the source,...

  • What is the difference between simplex and duplex fiber patch cord?
    What is the difference between simplex and duplex fiber patch cord?
    • September 07. 2022

    When we start to learn fiber patch cord, may be many partners do not know what simplex and duplex exactly stand for? This blog ETU-LINK will analyze what is simplex, duplex. In fact, the optical fiber patch cord simplex and duplex refer to the working mode of the interface. Simplex and duplex are the two modes of communication channel in the telecommunication computer network. Simplex refers to th...

  • What is WDM technology?
    What is WDM technology?
    • October 29. 2022

    This blog ETU -LINK will take you to read what is WDM, before that we first to get to know why the WDM technology, it appears from the background of the Internet, development rapidly in a short few decades, so operators urgently needs a lot of network capacity to meet growing customer service requirements.   For network expansion, simply increase the transmission capacity linearly by increasi...

  • If the optical module port is exposed to the external environment for a long time and is polluted, How to clean?
    If the optical module port is exposed to the external environment for a long time and is polluted, How to clean?
    • November 08. 2022

    Usually, the ports of the newly purchased optical modules are clean, and there is no need to clean the ports, but for the optical modules that are idle or have not been inserted into the dust cap in time, when they are used again, in order to prevent the transmission performance from being affected, we still have It is necessary to clean the port of the optical module first. Then the following ETU...

  • What are the advantages of 10G SFP+ DWDM optical modules?
    What are the advantages of 10G SFP+ DWDM optical modules?
    • March 18. 2023

    ETU-LINK will introduce to you what is 10G SFP+ DWDM optical module and its advantages.   The traditional optical fiber communication system is transmits one optical signal in one optical fiber. This method actually only uses a part of the optical fiber bandwidth. In order to make full use of the huge bandwidth resources of the optical fiber and increase the transmission capacity of the ...

  • Application of 10G EPON optical module in EPON network
    Application of 10G EPON optical module in EPON network
    • March 24. 2023

    At present, high-speed optical fiber transmission has been widely used in various backbone networks, and Ethernet Passive Optical Network (EPON) has become the preferred solution of relevant operators because of its low cost and time-sharing ability to provide users with high-performance access. With the accelerated deployment of 1Gbps fiber-to-the-home technology in the access network, telecom op...

  • What Can we do if no response when an optical module plugged into a switch NIC
    What Can we do if no response when an optical module plugged into a switch NIC
    • May 06. 2023

    According to the customer's feedback, how should we analyze and solve the issue that the switch and optical module are incompatible or cannot be used? In this article, ETU-LINK proposes the following solutions to this issue.   Optical fiber patch cord collocation problem If the optical module does not respond to being inserted into the network cord of the switch, check whether the optical fib...

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