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  • What should we do if the temperature of the optical module is too high? How to solve?
    What should we do if the temperature of the optical module is too high? How to solve?
    • October 21. 2021

    In this article, ETU-Link will explain to you what causes the high temperature of the optical module and how to solve it. Generally speaking, a brand-new optical module will not have any major problems during short-term use.     The optical module is a relatively sensitive optical device. When the operating temperature of the optical module is too high, it will cause problems s...

  • The distinguish between fiber patch cord and twisted pair
    The distinguish between fiber patch cord and twisted pair
    • October 23. 2021

    This blog ETU-LINK takes everyone to understand the difference between optical fiber, copper cable and twisted pair. First of all, let’s understand the twisted pair. The twisted pair is made up of multiple groups of insulated copper wires intertwined. The internal medium of the twisted-pair cable is also copper wire, and the internal transmission is an electrical signal. According to the principle...

  • Where are MPO fiber patch cords mainly used?
    Where are MPO fiber patch cords mainly used?
    • October 26. 2021

    一. Introduction to MPO Patch cord The MPO fiber optic patch cord is composed of a hot-swappable MPO connector and a multi-mode/single-mode fiber optic cable. The MPO optical fiber connector includes optical fiber, sheath, coupling components, metal ring, pin, dust cap, etc., and the pin part is divided into two forms: male and female. The male connector has two PIN pins, while the female connector...

  • Optical interconnection solutions for 10G SFP+ and 40G QSFP+ optical modules in data centers
    Optical interconnection solutions for 10G SFP+ and 40G QSFP+ optical modules in data centers
    • October 28. 2021

    The optical module is an important component of the optical fiber communication system, which is used to realize the transmission and reception of optical signals. The speed of the optical module used in the data center ranges from 1G before 2010 to the commonly used 10G and 40G now. Since most of the equipment distance in medium and large data centers is within 500 meters, the interconnection bet...

  • Application of 10G SFP+ optical module in Cisco 550X series switch
    Application of 10G SFP+ optical module in Cisco 550X series switch
    • November 03. 2021

    Cisco 550X series switches are mainly used for the establishment of 10G network for small and medium-sized enterprises. ETU-Link will introduce the optical module solution of Cisco 550X series switches.   Cisco 550X is configured with Ethernet SFP+ slot, which can support 10 Gigabit and Gigabit network transmission rates. The SFP+ slot can select the optical module with the corresponding...

  • Introduction of Gigabit Single Mode SFP BIDI SC connector Optical Module
    Introduction of Gigabit Single Mode SFP BIDI SC connector Optical Module
    • November 09. 2021

    In this blog, ETU-LINK will focus on introducing the type and transmission distance of the Gigabit single-mode SFP BIDI SC connector optical module. This series of optical modules can not only support 2km, 3km, 10km, 20km, 40km, 60km, 80km, 120km transmission distances, but also have commercial (0℃-70℃) and industrial  (-40℃-85℃) optional temperature ranges. In order to facilit...

  • How to solve the optical power alarm of optical module in equipment?
    How to solve the optical power alarm of optical module in equipment?
    • November 11. 2021

    When we use the optical module, sometimes improper use will lead to abnormal operation of the optical module, so in this case, how should we solve it? Today, ETU-LINK will tell you an answer. When the optical power of the optical module is too high or too low, how to diagnose the causes and the corresponding solutions.   Taking Huawei switch as an example, when the optical power alarm occurs,...

  • How to configure servers to access Huawei CE5800 switch?
    How to configure servers to access Huawei CE5800 switch?
    • November 13. 2021

    In this article, ETU-LINK will introduce how to connect servers to Huawei CE5800 switches and related networking methods. First of all, before connecting the server to the switch, the server network card needs to be installed on the server. At present, the interface type of the network card of the server is CPIE. Generally, the transmission rate supported by the network card of the server is 1G/10...

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