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  • Knowledge of DAC & AOC
    Knowledge of DAC & AOC
    • August 26. 2016

    Many people do not know the distinctions of DAC and AOC, so sometimes it will bring troubles. So let us talk about the DAC & AOC together today! What is DAC? Direct Attach Cable, simplified as DAC, usually called direct connected cable or direct connected copper cable. Direct Attach Cable has two types: 1. 10G SFP+ DAC 2. 40G QSFP+ to 4 SFP+ This cable can not replace the port, the module head...

  • Interconnection solutions of 40G optical network module
    Interconnection solutions of 40G optical network module
    • March 23. 2017

    40G Ethernet is very common in data centers nowadays. With the rise of 40GbE QSFP+ optical module market, more solutions can be applied, users also have more choices. Let’s take a deep understanding of the interconnection solutions of 40G optical networks. In data centers, optical modules are generally used to connect switches and servers for data exchange and transmission. For the interconnection...

  • LAN vs WAN vs MAN vs VLAN vs VPN
    LAN vs WAN vs MAN vs VLAN vs VPN
    • December 30. 2019

    Today we will introduce the difference between LAN, WAN, MAN, VLAN and VPN. If you are interested in these knowledge, let’s learn about it! Following table compares LAN, MAN and WAN with respect to various networking parameters. Parameters LAN MAN WAN Full Form Local Area Network Metropolitan Area Network Wide Area Network What is it? • Systems are close to each other in LAN  • cont...

  • What is the working principles of 40G QSFP+ Cable?
    What is the working principles of 40G QSFP+ Cable?
    • April 26. 2017

    Last week, some customers asked me some information about the 40G QSFP+ & 4*10G SFP+. So in order to know more better about the products, we now share the working principles with you, hope it can be helpful for you and your business. Totally, for the wavelength of 40G QSFP+, the 4 channels are different ---- 1270/1290/1310/1330nm. 1. 40G QSFP+ to connect 40G QSFP+: When you connect the QSFP+ t...

  • What we've prepared for Singapore Exhibitions?
    What we've prepared for Singapore Exhibitions?
    • May 10. 2017

    The annual COMMUNICASIA2017 Tour is coming soon. It was held from May 23rd to 25th in Singapore, Marina Bay Sands Convention and Exhibition Center. Singapore is a country with a highly developed free market economy, so the COMMUNICASIA2017 Tour in Singapore will certainly attract many Chinese enterprises to participate in the exhibition. At the moment, most exhibitors are busy preparing for the ex...

  • 40G QSFP+ SR4 VS 40G QSFP+ LR4
    40G QSFP+ SR4 VS 40G QSFP+ LR4
    • June 13. 2017

    The 40G optical transceivers are widely used in the market, especially 40G QSFP+ SR4 and 40G QSFP+ LR4 modules. What are their differences? Today we will tell you the answer. The differences between 40G QSFP+ SR4 and 40G QSFP+ LR4module: ※ Application 40G QSFP+ SR4 modules use in data center for multimode optical fibers. 40G QSFP+ LR4 modules use in data center for single mode optical fibers. ※ Tr...

  • Juniper QFX5100 switch introduction
    Juniper QFX5100 switch introduction
    • July 26. 2017

    The arrival of the digital network era, the demand for high-speed broadband is getting higher and higher, and the data network is gradually escalating from 1G to 10G, so the demand for 10G to 40G is constant. Juniper QFX5100 is a switch designed for high-density end applications such as data centers. It can be used as an access switch and convergence switch, which is very flexible. QFX5100 series ...

  • How was 25G Ethernet technology born?
    How was 25G Ethernet technology born?
    • August 02. 2017

    Energy saving and cost are two important factors that need to be considered when deploying data centers. The price of 40G optical module and 100G optical module is too high and the power consumption is too large, and the speed of 10G optical module can not meet the demand of network. Therefore, 25G SFP28 optical module was born in this case, just to make up for the deficiency between the them, gre...

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