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  • Introduction and application of 100G QSFP28 LR4 optical module
    Introduction and application of 100G QSFP28 LR4 optical module
    • November 24. 2020

    In recent years, with the needs of users and the development of data center, low-speed optical communication products have been unable to meet the needs of daily data transmission. The data transmission speed of optical module has increased from 10G, 25G, 40G to 100G, 200G and even 400G. At present, the package form of 100G optical module have 4 types: CFPP, CFP2, CFP4 and QSFP28 in the market. Th...

  • Optical module interconnection solution of H3C S6820 series data center switch
    Optical module interconnection solution of H3C S6820 series data center switch
    • December 08. 2020

    H3C S6820 series switch is a high-density intelligent 100G switch developed by H3C company for cloud data center and high-end park. It has strong hardware forwarding ability and rich data center business characteristics. It can support up to 32 100G QSFP28 ports and two 1g out of band management network ports (one for Optoelectronics). Each 100G port can not only support 100g, 40g adaptive, but al...

  • Comparison between 100GBASE-SR4 optical module and 100G QSFP+ AOC active optical cable
    Comparison between 100GBASE-SR4 optical module and 100G QSFP+ AOC active optical cable
    • January 07. 2021

    Both 100G QSFP28 SR4 optical module and 100G QSFP28 AOC active optical cable are widely used in short distance interconnection of 100G data center. Since both of them can realize short distance interconnection, what is the difference between them and what are their advantages and disadvantages?   Before understanding the differences between them, let's first know their common points. Fir...

  • What are the differences between 100G QSFP28 PSM4 and CWDM4 optical module
    What are the differences between 100G QSFP28 PSM4 and CWDM4 optical module
    • January 16. 2021

    People's desire for high-speed optical network promotes the vigorous development of the entire optical communication industry, including the independent research and innovation of optoelectronic device technology and many other technologies. At this stage, most of the data centers have deployed 100G network. In 100G medium range optical network transmission, 100G QSFP28 PSM4 and 100G QSFP28 CWDM4 ...

  • Introduction and application of 100G QSFP28 CWDM4 optical module
    Introduction and application of 100G QSFP28 CWDM4 optical module
    • January 19. 2021

    Nowadays, with the increasing demand of network throughput and bandwidth, the demand of 100G high-speed optical module is also growing. IEEE has developed two optical module standards for 100G network: 100G SR4 QSFP28 and 100G LR4 QSFP28. But in practical application, because the transmission distance of the above optical modules can not fully cover the transmission distance requirements of t...

  • What conditions need to be met for 5G communication optical modules?
    What conditions need to be met for 5G communication optical modules?
    • March 06. 2021

    With the rapid development of the Internet of Things, big data and cloud computing technologies, the amount of transmission required for information interaction has shown explosive growth. Among them, semiconductor lasers are the basic components supporting the development of optical communications, and their mechanisms are constantly being optimized to meet the needs of modern communications. Com...

  • H3C router optical module solution
    H3C router optical module solution
    • April 02. 2021

    A router is a hardware device that connects two or more networks. It acts as a gateway between networks. It is a dedicated intelligent network device that reads the address in each data packet and then decides how to transmit it. Routers can be divided into backbone routers (core routers), enterprise-level routers, and access-level routers.   Generally, backbone routers have multiple optical ...

  • What is the FEC function of 100G optical module?
    What is the FEC function of 100G optical module?
    • April 10. 2021

    Two important development trends of optical modules are to increase the transmission rate and extend the transmission distance. However, as the transmission rate increases, the signal transmission distance will be limited by many factors, such as chromatic dispersion, nonlinear effects, and polarization mode dispersion. These factors will limit the increase in transmission rate and trans...

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