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  • Comparison between 100G QSFP28 PSM4 and 100G QSFP28 CWDM4 optical module
    Comparison between 100G QSFP28 PSM4 and 100G QSFP28 CWDM4 optical module
    • August 10. 2023

    The arrival of the 5G era has brought great opportunities to the optical communication industry, and users have increasingly high requirements for high-speed data transmission. At the same time, it is also driving the upgrade from 100G to 400G. Among 100G optical modules, QSFP28 is the most common type of optical module. So today, let's talk about the difference between the 100G PSM4 and the 100G ...

  • Comprehensive knowledge of long-distance optical modules
    Comprehensive knowledge of long-distance optical modules
    • August 15. 2023

    Optical modules are the most common optoelectronic converter components. In optical communication networks, transmission capacity is the most core and highly concerned parameter. Among them, the transmission distance of optical modules also varies. In different fields and links of optical communication network transmission, the requirements for the characteristics of optical modules are also ...

  • 400G data center long-distance transmission solution 400G QSFP-DD LR8
    400G data center long-distance transmission solution 400G QSFP-DD LR8
    • August 18. 2023

    QSFP-DD, as the preferred packaging for 400G optical modules, can effectively expand the cloud capacity of data centers and meet the growing bandwidth requirements of ultra large data centers. In the previous blog, we introduced the 400G QSFP-DD FR4 optical module. Today ETU-LINK will introduce you the commonly used long-distance transmission solution for large-scale data centers -400G QSFP-DD LR8...

  • Classification and application of 100G QSFP28 AOC Active Optical Cable
    Classification and application of 100G QSFP28 AOC Active Optical Cable
    • August 22. 2023

    AOC (Active Optical Cables) refers to communication cables that require the use of external energy to convert electrical signals into optical signals or convert optical signals into electrical signals during the communication process. The optical transceivers at both ends of the cable can provide photoelectric conversion and optical transmission functions. AOC active optical cables have different ...

  • Introduction to 100G QSFP28 SR BIDI Optical Module
    Introduction to 100G QSFP28 SR BIDI Optical Module
    • August 25. 2023

    With the continuous development of modern information technology, the demand for information transmission channel capacity by users is also rapidly increasing. Therefore, the market demand for 100G optical modules is constantly increasing, and their proportion in network construction costs is gradually increasing. The mainstream packaging of 100G optical modules mainly includes CFP, CFP2, CFP...

  • Introduction and Differences between 25G SFP28 SR and 25G SFP28 LR
    Introduction and Differences between 25G SFP28 SR and 25G SFP28 LR
    • September 01. 2023

    The 25G SFP28 optical module is simply an optical module with a transmission rate of 25Gbps, mainly used in 25G Ethernet and 100G (4x25Gbps) Ethernet, which can meet the growing demand of data centers in the most energy-saving way. Therefore, when there is a problem of high cost in optical modules such as 40G and 100G, 25G SFP28 optical modules have become a good solution. In this article, ET...

  • The difference between long-distance optical modules and short-distance optical modules
    The difference between long-distance optical modules and short-distance optical modules
    • September 20. 2023

    In the previous blogs, we have already introduced the long-distance optical module in detail. Today ETU-LINK will take you through the differences between long-distance optical modules and short-distance optical modules.   With the rapid development of optical communication, people's speed requirements for telecommunications and data communication networks are constantly increasing, and trans...

  • Introduction to 40G QSFP+ER4 Optical Module
    Introduction to 40G QSFP+ER4 Optical Module
    • September 28. 2023

    40G QSFP+optical module is dedicated to high-density application systems, with higher port density and lower overall system cost compared to traditional SFP+optical modules. Due to the differences in various parameters, the application range is also different. 40G QSFP+ SR4 optical modules are mostly used in multimode applications to achieve short distance connections of data center equipment...

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