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  • How to choose 40G QSFP+ optical module?
    How to choose 40G QSFP+ optical module?
    • August 11. 2022

    40G QSFP+ optical module refers to the transmission rate of 40G, and the package of this optical module is QSFP+. 40G optical module has four independent full-duplex transceiver channels, each channel of the transceiver rate of 10G, thus forming a 40G transmission rate, ETU LINK Optical Communication (ETU-LINK) will introduce the 40G QSFP + optical module what types are there. IEEE organization fo...

  • 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 CWDM equipment and DWDM equipment?
    What is the difference between CWDM equipment and DWDM equipment?
    • July 21. 2022

    In the construction of metropolitan area network, wavelength division multiplexing equipment is an important part, mainly including CWDM coarse wavelength division multiplexing equipment and DWDM dense wavelength division multiplexing equipment, so what is the difference between the two? In this article, ETU-LINK will tell you the difference between CWDM equipment and DWDM equipment.   1.&nbs...

  • What is the difference between BIDI single-fiber bidirectional and dual-fiber bidirectional optical modules?
    What is the difference between BIDI single-fiber bidirectional and dual-fiber bidirectional optical modules?
    • July 18. 2022

    We believe that many small partners have a question in their minds, what are the differences between single-fiber and dual-fiber optical modules and their differences in application scenarios.In this article, ETU-LINK will explain the difference between BIDI single-fiber bidirectional and dual-fiber bidirectional optical modules.   First of all, there is an obvious difference in the interface...

  • The Introduction and Development Prospect of 40G PSM4 Optical Module
    The Introduction and Development Prospect of 40G PSM4 Optical Module
    • July 14. 2022

    The data shows that the growth rate of 10G and 40G ports is much higher than the low-speed growth rate. As the core technology and key part of the next-generation high-speed and large-capacity optical network, 40G optical module has high transmission rate and small size. Wide range of applications, the following ETU-LINK will introduce the next 40G optical module - 40G PSM4 optical module. &n...

  • 100G QSFP28 SR4 optical module introduction
    100G QSFP28 SR4 optical module introduction
    • July 12. 2022

    The 100G QSFP28 SR4 optical module has a wavelength of 850 nm and uses a 4-channel 850 nm VCSEL laser array and a PIN photodetector array, and each channel can run at a rate of 25Gbps. The 100G QSFP28 SR4 optical module uses an MPO interface (12 cores) and has a transmission distance of 70m when used with OM3 multimode fiber and 100m when used with OM4 Multimode fiber. The 100G QSFP28 SR...

  • Development trend of 25G SFP28 and 100G QSFP28 optical modules in 5G networks
    Development trend of 25G SFP28 and 100G QSFP28 optical modules in 5G networks
    • July 07. 2022

    As the Ministry of Industry and Information Technology issued 5G commercial licenses to China Telecom, China Mobile, China Unicom and China Radio and Television. 5G network over the next five years (fifth generation) mobile communication technology rapid development will become hot spot in the field of information and communication, bearing network construction and upgrade the first push light tel...

  • 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...

  • Silicon optical integration has become the preferred solution for high-speed optical modules in future data centers
    Silicon optical integration has become the preferred solution for high-speed optical modules in future data centers
    • June 30. 2022

    s the data center network topology continues to upgrade and evolve, optical interconnection solutions for data centers are moving toward higher speed, lower power consumption, and lower cost. In the future, data centers will become more and more complex, which will inevitably lead to technological innovation. Silicon optical technology is one of the innovation directions in the data center scenari...

  • Demystifying the difference between CWDM optical modules and ordinary optical modules
    Demystifying the difference between CWDM optical modules and ordinary optical modules
    • June 25. 2022

    The development of optical communication has driven the rapid growth of optical communication components. As one of the components of optical communication, the optical module plays a role in photoelectric conversion. There are many types of optical modules, such as SFP optical modules, SFP+ optical modules, QSFP+ optical modules, QSFP28 optical modules, CWDM optical modules, DWDM optical modules,...

  • Analysis of PCBA board electronic components
    Analysis of PCBA board electronic components
    • June 18. 2022

    In this blog, ETU-LINK will introduce the electronic components of the PCBA board in the optical module. The circuit board without soldering electronic components is called PCB. PCB is divided into single-sided circuit board, double-sided circuit board and multi-layer boards, in which single-sided circuit boards have only one layer and only one side has circuits, double-sided circuit boards have t...

  • Ruijie RG-S6920-4C Data Center and Cloud Computing Switch Optical Module Solution
    Ruijie RG-S6920-4C Data Center and Cloud Computing Switch Optical Module Solution
    • June 14. 2022

    The RG-S6920-4C switch is a new generation of high-performance, high-density card-type switches launched by Ruijie Networks for the development trend of AI and other applications.The RG-S6920-4C switch cooperates with the RGS6510 and RG-S6250 series TOR switches to meet the full three-layer network architecture design requirements of Spine-Leaf.   The RG-S6920-4C switch is configured wit...

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