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  • Optical module selection scheme of H3C S9820 series data center switch
    Optical module selection scheme of H3C S9820 series data center switch
    • January 12. 2021

    H3C S9820 switch supports high-density 100GE/40GE/25GE/10GE ports. It has strong forwarding capability and flexible sub card configuration. It can support 32 400GE ports or 100GE ports. It has high port density and strong forwarding ability. It can meet the networking requirements of high-density servers in high-end data center without convergence access. At the same time, all physical ports suppo...

  • What are the reasons for the failure of the optical module
    What are the reasons for the failure of the optical module
    • January 14. 2021

    As a photoelectric integrated product used to realize photoelectric conversion in optical fiber communications, optical modules are now widely used in data centers, fiber to the home, local area networks, base stations and other fields. In the process of using the optical module, it is inevitable that there will be abnormal usage. Next ETU-LINK will introduce several main reasons for the failure o...

  • 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...

  • Introduction and application of 40G QSFP+ PSM4 optical module
    Introduction and application of 40G QSFP+ PSM4 optical module
    • January 23. 2021

    With the increasing demand of network throughput and bandwidth, the demand of 40G high-speed optical module also increases. At present, the common 40G optical modules on the market include 40G QSFP+ SR4, 40G QSFP+ LR4 and 40G QSFP+ ER4. Since the transmission distance of the above optical modules cannot fully cover the transmission distance requirements of the data center, the 40GBASE-SR4 optical ...

  • What should be paid attention to in the use of optical module
    What should be paid attention to in the use of optical module
    • January 27. 2021

    With the rapid development of communication industry, optical modules are widely used in various optical interconnection scenarios. When we use the optical module, we need to ensure the efficient and stable operation of the optical module. But sometimes it will cause some problems due to the use of non-standard, so what do we need to do to avoid the problems caused by the non-standard use? The fol...

  • What are the optical modules used in Metropolitan Area Networks
    What are the optical modules used in Metropolitan Area Networks
    • February 02. 2021

    Metropolitan area network is a computer communication network established within a city, referred to as MAN. It is a broadband local area network. Due to the local area network technology with active switching elements, the transmission delay in the network is small, and its transmission medium mainly uses optical cables, and the transmission rate is above 100Gbit/s. An important use of MAN is for...

  • Campus network optical module matching solution
    Campus network optical module matching solution
    • February 04. 2021

    With people’s urgent demand for information resource sharing and information exchange, prompting the rapid development of network technology, universities are also preparing to build campus networks, hoping to improve teaching, management, and scientific research through the construction of campus networks. Campus network applications can be divided into three parts: e-learning (multimedia classro...

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