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  • What are the types of Gigabit optical modules
    What are the types of Gigabit optical modules
    • June 17. 2021

    Gigabyte optical module has been a very mature series of products, the common transmission rate is 1.25G, 2.5G, etc., and the package type is SFP. There are many models of gigabit optical modules. Next ETU link will give you a detailed introduction to the types of gigabit optical module.   Gigabyte optical modules can be divided into two categories, namely, single fiber and dual fib...

  • Introduction of 100M single-mode SFP BIDI SC connector optical module
    Introduction of 100M single-mode SFP BIDI SC connector optical module
    • June 19. 2021

    In this blog, ETU-LINK will focus on introducing the type and transmission distance of the 100M single-mode SFP BIDI SC connector optical module. This series of optical modules can not only support 3km, 10km, 20km, 40km, 80km and other transmission distances, but also have commercial (0℃-70℃) and industrial  (-40℃-85℃) optional temperature ranges. In order to facilitate you to understand this...

  • Introduction and application of 1.25G SFP SX optical module
    Introduction and application of 1.25G SFP SX optical module
    • June 25. 2021

    1.25G SFP SX Gigabit multimode optical module is a product of the optical module of the SFP series. It is called SX for short. Its interface type is duplex LC, with a maximum speed of 1.25Gbps. It can be used with om2 multimode fiber patch cord, and the longest transmission distance can reach 550 meters. ETU-LINK’s SX has a central wavelength of 850nm, equipped with imported VCSEL laser and P...

  • Introduction and application of 25G SFP28 LR 10KM optical module
    Introduction and application of 25G SFP28 LR 10KM optical module
    • June 29. 2021

    According to the transmission distance, 25G optical modules can be divided into 25G SFP28 SR 100m, 25G SFP28 LR 10km, 25G SFP28 ER 40km, etc. In this article, ETU-LINK will focus on introducing the 25G SFP28 LR 10km optical module.     The 25G SFP28 LR 10km optical module has a working wavelength of 1310nm, dual LC connector, DFB laser and PIN photodetector, built-in CDR circui...

  • Active cable ACC—Enhanced version of DAC high-speed cable
    Active cable ACC—Enhanced version of DAC high-speed cable
    • July 21. 2021

    As we all know, DAC active cable is mainly used for interconnection between cabinets. Due to the limitation of passive copper cable DAC transmission distance due to material, high frequency loss of connector and other factors, the maximum length of passive copper cable DAC with transmission rate of 10G/25G can only reach 7m, and the maximum length of passive copper cable DAC with transmission rate...

  • Office building network solution
    Office building network solution
    • July 28. 2021

    The requirements of office building network for service quality, function and security are much higher than those of ordinary residential users. In addition to accessing multiple computers, the office network also undertakes the data transmission tasks of various automation systems, such as monitoring, lighting, air conditioning, etc. Therefore, the office building network should have the characte...

  • Difference and connection scheme between access layer switch and aggregation layer switch
    Difference and connection scheme between access layer switch and aggregation layer switch
    • July 29. 2021

    In this blog, ETU-LINK will introduce the selection and connection scheme of lower access layer switch and aggregation layer switch. In the three-tier architecture, the role of the access layer is mainly to connect end users to the network. The access layer switch is the equipment of the switching layer. Because the access layer switch needs to connect more end users, the price of the access layer...

  • The most comprehensive optical module series classification explanation
    The most comprehensive optical module series classification explanation
    • July 31. 2021

    Fiber optic communication has completely replaced cable communication due to its advantages of high transmission quality, small size and weight. As an important part of fiber optic communication, optical module mainly plays the role of optical signal conversion, converting electrical signals of network equipment into optical signals, so that data can be transmitted in fiber. The following ETU-Link...

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