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  • 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...

  • 40G low-cost equipment interconnection solution -QSFP+ DAC high-speed cable
    40G low-cost equipment interconnection solution -QSFP+ DAC high-speed cable
    • September 15. 2023

    High-speed cables are fixed components that support high-speed data transmission. With cost advantages and energy-saving advantages, high-speed cables are currently widely used in data centers for short-distance applications. It can be connected to switches, servers, routers, network interface cards (NIC), host bus adapters (HBA) that provide high density and high data throughput. The common types...

  • Structure, classification and application of  40G QSFP+ DAC stacking cables
    Structure, classification and application of 40G QSFP+ DAC stacking cables
    • September 07. 2023

    Direct Attach Cable(DAC)is generally translated as direct cable, high-speed cable, passive copper core cable, etc. 40G QSFP+ DAC cable with fixed QSFP+ modules at both ends. 40G QSFP+ DAC stacking cable can be divided into 40G QSFP+ to QSFP+ cable and 40G QSFP+ to 4*SFP+ cable. And the 40G QSFP+ to QSFP+ cable is a 40G QSFP+ module at both ends, wh...

  • 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...

  • 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...

  • 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 ...

  • 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...

  • 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 ...

  • 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 ...

  • What is active fiber optic cable
    What is active fiber optic cable
    • August 08. 2023

    The amount of information transmission and exchange is increasing day by day, and there are more and more high-density and broadband applications. Traditional copper cables can no longer meet the needs of communication. Compared to traditional cables, active optical cables can help communication equipment enjoy the huge advantages of optical transmission. What is the difference between AOC active ...

  • How to select Optical module?
    How to select Optical module?
    • August 03. 2023

    At present, the technology of optical fiber communication is developing more and more rapidly, and there are a variety of Optical module products on the market. Today, ETU-LINK will teach you how to choose Optical module. There are three main types of Optical module in the current market: the first is the original Optical module, which is the module of the switch, router and other network equ...

  • 40G QSFP+ AOC optical cable VS 40G QSFP+ SR4 Optical module comparison
    40G QSFP+ AOC optical cable VS 40G QSFP+ SR4 Optical module comparison
    • August 01. 2023

    Do you know the difference between active optical cable and Optical module? Today, ETU-LINK will talk about the differences between 40G AOC and 40G SR4. Let's take a look together.   What is 40G QSFP+ AOC active optical cable? 40G QSFP+ AOC active optical cable is composed of multimode optical fiber and two QSFP+ connectors. It has four data channels in each signal direction, with a maxi...

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