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  • 25G Multimode Optical Module: SFP-25G-SR and SFP-25G-ESR Differences
    25G Multimode Optical Module: SFP-25G-SR and SFP-25G-ESR Differences
    • July 08. 2025

    In today's rapidly developing information age, data centers and network communications have an increasing demand for high-speed and stable data transmission. As a key component to meet this demand, 25G optical modules have been widely used in the market. Among them, SFP-25G-SR and SFP-25G-ESR in 25G multimode optical modules are two common types. Let's take a closer look at their differences. 1. 2...

  • Optical Module: Bridging Communication Networks with Light
    Optical Module: Bridging Communication Networks with Light
    • July 28. 2025

    In the rapidly developing field of high-speed data communication networks, optical modules play an indispensable and key role. As the connecting "bridge" between switches, routers and other devices, these small and easily replaceable modules are responsible for the conversion between electrical signals and optical signals. From connector types to external dimensions, optical modules show rich dive...

  • 25G SFP28 Optical Module: The Priority Choice for Mid-to-High-Speed Network Scenarios
    25G SFP28 Optical Module: The Priority Choice for Mid-to-High-Speed Network Scenarios
    • October 17. 2025

    In mid-to-high-speed optical communication scenarios, the 25G SFP28 Optical Module has become mainstream due to its characteristic of "balancing speed and cost". ETU-Link has been deeply engaged in this category and has created cost-effective products that are suitable for multiple scenarios, covering core needs such as data centers, enterprise parks, and 5G edge computing. I. Product Features: Co...

  • 100G Single-Fiber Optical Module: New Choice for High-Bandwidth Transmission and Complete Guide to Selection and Application
    100G Single-Fiber Optical Module: New Choice for High-Bandwidth Transmission and Complete Guide to Selection and Application
    • October 21. 2025

    With the increasing demand for network bandwidth in scenarios such as 5G base station deployment, data center interconnect (DCI), and high-definition video transmission, 100G optical modules have become the mainstream choice. 100G Single-fiber Optical Modules, with their core advantage of enabling bidirectional transmission over a single fiber, are becoming a key device for conserving fiber resour...

  • 100G Optical Modules: Analysis of QSFP28 Packaging Technology
    100G Optical Modules: Analysis of QSFP28 Packaging Technology
    • October 24. 2025

    In 100G optical communication networks, QSFP28 (Quad Small Form-Factor Pluggable 28) is the mainstream packaging standard. It is key to high-speed interconnection in data centers and telecommunications networks, and directly affects the deployment efficiency of optical modules and network performance. I. Core Design of QSFP28 Packaging 1. Compact size: approximately 18.3mm×56.5mm×8.5mm, only 1/5 o...

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