• 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...

• 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...

• 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...

• 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...

• 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...

• 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 ...

• November 17. 2017

With the development of the technology and people's requirements, Higher speed transmission is needed for everything, especially for the data center. But how to set up this high density data center optical cable system? Which need us to prepare? Today, we will give an answer to you, wish it can be helpful for you! 1. Which solution and why will the data center use? Most High density data center op...

• January 26. 2018

Direct attach cable is a communication equipment connection cable. It is commonly used to realize short distance high-speed interconnected communication. It is mainly used to realize the interconnection between servers, switches, memory and other devices. It is a low-cost high speed data communication solution. The common wire specifications are 24AWG, 28AWG and 30AWG, which can meet a variety of ...