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  • How much do you know about 100G AOC active optical cable and 100G DAC high speed cable?
    How much do you know about 100G AOC active optical cable and 100G DAC high speed cable?
    • March 02. 2022

    Both 100G AOC active optical cable and 100G DAC high-speed cable are used as short-distance data transmission carriers for enterprises or data centers, but there are some differences between them. 100G AOC active cable requires photoelectric conversion when transmitting signals, while 100G DAC high-speed cable does not. It is transmitted in the form of electrical signals. The following ETU-Link fo...

  • What do the flame retardant grades OFNP, OFNR and LSZH of optical fiber patch cords stand for?
    What do the flame retardant grades OFNP, OFNR and LSZH of optical fiber patch cords stand for?
    • March 02. 2022

    In this blog, ETU-LINK will introduce the flame retardant grades of optical cables. The flame retardant grades of optical cables can be divided into three types, OFN, OFNR and OFNP. Before talking about flame retardant grades, you can first understand LSZH (low smoke halogen free). As early as the mid-1980s, halogen (especially brominated) flame retardant polymer systems were widely used because o...

  • 40G QSFP+ Optical Module introduction
    40G QSFP+ Optical Module introduction
    • February 23. 2022

    Cloud computing and big data are booming in my country. In order to provide enough bandwidth, many access switches have been developed to aggregation/core switches that can connect to 40G Ethernet. 40G networks have been widely used in data centers, and optical modules are one of the indispensable components for data center equipment interconnection, so ETU-LINK will give you an inventory of the t...

  • Application of 40G/100G optical module and 10G Active optical cable in optical Network of data center
    Application of 40G/100G optical module and 10G Active optical cable in optical Network of data center
    • February 18. 2022

    In recent years, China has clearly decided to speed up the construction of 5G networks, data centers and other new infrastructure, and 5G data centers have been built in various places. In this article, ETU-Link will introduce the application of 40G QSFP, 100G QSFP28 optical module and 10G SFP+ active optical cable in data center optical network. The network architecture of data center can be...

  • Detailed explanation of copper cable fire rating
    Detailed explanation of copper cable fire rating
    • February 16. 2022

    In this blog, ETU-LINK will introduce the fire rating standards of copper cables. The flame retardant grades of copper cables are divided into four grades: CMX, CM, CMR, and CMP. The minimum is CMX.   The insulation layer of the CMP cable is made of FEP material, and the outer sheath is made of PVC. FEP has strong fire resistance and can endure temperatures as high as 800°C or more before it ...

  • Inventory of 100G QSFP28 optical transceivers apply in Data Center
    Inventory of 100G QSFP28 optical transceivers apply in Data Center
    • February 12. 2022

    At present, with the rapid development of high-definition, massive video, cloud computing and big data, self-media, Internet of Things, and artificial intelligence, the IP data traffic in global data centers is increasing year by year, and the demand for 100G optical modules is also increasing. Next, ETU-LINK will take you to the 100G optical modules world. 1、100G QSFP28 SR4 The 100G QSFP28 SR4&nb...

  • Do you know how optical modules are used in base stations?
    Do you know how optical modules are used in base stations?
    • January 26. 2022

    The communication triangle tower must be familiar to everyone. In this article, ETU-LINK will introduce the base station under the communication triangle tower and the application of optical modules in the base station.   The communication triangular tower is composed of antenna, computer room, base station, feeder, and supporting equipment. The antenna is at the top of the triangul...

  • Inventory of 1.25G SFP BiDi Simplex bidirectional optical module
    Inventory of 1.25G SFP BiDi Simplex bidirectional optical module
    • January 24. 2022

    In this blog, ETU-LINK will make an inventory of the part numbers and supported transmission distances of 1.25G SFP BiDi Simplex optical modules. 1.25G SFP BiDi Simplex bidirectional optical module supports 1.25Gb/s transmission rate, supports hot swap, Simplex bidirectional transmission, supports temperature range : commercial temperature (0℃~+70℃), extended temperature (-20℃~+85℃) ), and industr...

  • Function analysis of amplifier in medium and long distance optical module
    Function analysis of amplifier in medium and long distance optical module
    • January 19. 2022

    In optical fiber communication, when optical fiber transmits optical signal, the optical signal will attenuate along the optical fiber transmission path, and the transmission distance is limited by optical fiber attenuation. In order to transmit the signal further, we need to enhance the optical signal. The traditional method of enhancing the optical signal is to use the regenerator, but it has ma...

  • What are 10G SFP+ CPRI optical modules?
    What are 10G SFP+ CPRI optical modules?
    • January 14. 2022

    CPRI is the abbreviation of common public radio interface. CPRI plays the role of transmitting baseband I / Q signals to radio units in traditional BS (base station). CPRI has efficient and flexible I / Q data interfaces for various standards, such as GSM, WCDMA, LTE, etc. Unlike the data center, the CPRI optical module used in the base station has a constant temperature environment, and its worki...

  • What are the 10 GBIT/s SFP+ Optical Modules with a Transmission Distance of 40KM?
    What are the 10 GBIT/s SFP+ Optical Modules with a Transmission Distance of 40KM?
    • January 13. 2022

    Although 40 GBIT/s and 100 GBIT/s data centers are developing rapidly, 10 GBIT/s optical modules are in high demand in most application scenarios. For example, the computer rooms of many schools, organizations, and companies are still based on 10 GBIT/s Ethernet. Among them, 10 GBIT/s SFP+ optical modules occupy the largest market share. This article is easy to day light communication (ETU-li...

  • 40G QSFP+ to 10G SFP+ Branch High-speed Cable--power network upgrade
    40G QSFP+ to 10G SFP+ Branch High-speed Cable--power network upgrade
    • January 08. 2022

    Nowadays, under the rapid development of big data, artificial intelligence, Internet of Things and other network technologies, 10G network can no longer cope with the future traffic demand. In order to meet the upgrade of 10G network, and based on the low cost and high efficiency factors, 40G QSFP+ to 10G SFP+ DAC branch high-speed cable has become the preferred interconnection scheme for the shor...

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