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  • 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...

  • 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...

  • 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...

  • How many models for 25G SFP28?
    How many models for 25G SFP28?
    • March 04. 2022

    25G optical module is an optical module with a transmission rate of 25Gbps, which is mainly used in 25G Ethernet and 100g (4×25Gbps) Ethernet. Encapsulated as SFP28, its function is to interconnect servers and switches in the data center. With the rapid development of the Internet, cloud computing and big data, the construction of IT infrastructure data centers is further accelerated, among which ...

  • Which optical modules are commonly used in 4G base stations?
    Which optical modules are commonly used in 4G base stations?
    • March 15. 2022

    In this blog, ETU-LINK will talk about 4G base stations and common types of optical modules. The base station can be divided into two modules: the RRU for transmitting signals and the BBU for processing signals. The BBU is small and exquisite, with low power consumption, while the RRU is large and has high power consumption. Because the base station is divided into two parts to work sepa...

  • Intelligent Building Networking Solution
    Intelligent Building Networking Solution
    • March 17. 2022

    The intelligent building network is responsible for the data transmission tasks of various building automation systems, such as lighting, air conditioning, electrical, monitoring, computers, wireless devices, etc. In this blog, ETU-LINK will introduce the networking solution of intelligent building. As the intelligent buildings are relatively dense and the business volume is relatively large,...

  • What do the G port, F port, E port and S port of the switch mean?
    What do the G port, F port, E port and S port of the switch mean?
    • March 19. 2022

    S port is fully called serial interface, also known as high-speed asynchronous serial port. It is mainly used when connecting router and router. You can use commands to set bandwidth. E port is an Ethernet interface, called Ethernet interface. It is mainly used to connect Ethernet (local area network), which can be connected with ordinary twisted pair. Console port is called the control port. This...

  • Three application scenarios of POE optical fiber media converter
    Three application scenarios of POE optical fiber media converter
    • March 29. 2022

    POE optical fiber media converter is one of the common equipment to build enterprise POE network architecture. It can use the existing unshielded twisted pair wiring to power the network equipment. In this article, ETU-LINK will introduce you the application scenarios of POE optical fiber media converter? Poe optical media converter is a photoelectric converter with power over Ethernet (POE) funct...

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