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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...

  • Comprehensive analysis of 40G QSFP+ SR4 and 100G QSFP28 SR4 parallel optical modules
    Comprehensive analysis of 40G QSFP+ SR4 and 100G QSFP28 SR4 parallel optical modules
    • August 04. 2022

    In the process of digitization, data processing, storage and transmission have developed rapidly. The rapid growth of a large number of data search services and video services has led to the development of data centers based on supercomputers and storage. As the main product for short-distance data center interconnection applications, high-speed parallel transmission optical modules have broad mar...

  • 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 are the paths and cabling methods for 100G network upgrading?
    What are the paths and cabling methods for 100G network upgrading?
    • July 26. 2022

    With the continuous surge of traffic, major operators and data centers began to upgrade the network architecture economically, smoothly and reliably. At present, there are two 100G migration paths, namely 10G to 40G to 100G and 25G to 100G. Next, ETU-LINK will introduce the wiring schemes of these two paths. 1. 10G wiring The 10 Gigabit Ethernet technology defined by IEEE 802.3ae-2002 standard is ...

  • 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...

  • High speed cable production process
    High speed cable production process
    • June 28. 2022

    High speed cable DAC is used for the connection of short distance network devices, such as server, switches,storage and so on. It is a low cost measure of network devices connection. So far there are common DAC cables including 10G SFP+ to 10G SFP+ DAC cable, 25G SFP28 to 25G SFP28 DAC cable, 40G QSFP+ to 40G QSFP+ DAC cable, 40G QSFP+ to 4x SFP+ DAC cable, 100G to 100G QSFP28 DAC cable, 100G to 4...

    A total of

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