• August 01. 2020

As one of the most widely used network equipment, Ethernet switch occupies a more and more important position in data communication, and its development is of great significance to manufacturing industry and communication industry. Ethernet switch, from the earliest layer-2 switch to the current three-layer switch and multi service switch, has more and more functions; the roles of the switch is mo...

• August 07. 2020

OM is the abbreviation of optical multi-mode, translated into optical mode, indicating the grade standard of multimode fiber. Due to the difference of core diameter, transmission speed and distance, it is divided into OM1, OM2, OM3 and OM4. This blog ETU-Link will introduce the difference between them and the method of selection to you. The difference of OM1, OM2, OM3, OM4 fiber patch cord 1. Diff...

• August 28. 2020

With the rapid development of big data, cloud computing, Internet of things and mobile Internet, banks, taxation, hospitals, e-commerce, and other industries all rely on the support of data centers. The flow of data centers is increasing day by day. In the future, data centers must be the data warehouse and heart of social information systems in the future. In order to meet the huge demand of data...

• September 01. 2020

When it comes to 5G, everyone is no stranger to it. It is a popular concept, but it has not yet been commercialized on a large scale. Many 5G base stations are still in the process of construction. Throughout the development history of the communication industry, the communication system has developed from the first generation to the fifth generation today, and the network capacity and bandwidth h...

• September 04. 2020

The 25G direct attach cable is composed of a copper cable and a transceiver module at both ends. It adopts silver plated conductor and foam insulated core wire. It has excellent attenuation performance and low delay performance, which makes the signal transmission correct and can also improve the transmission speed. It is a short-distance connection solution that replaces optical modules. The conn...

• September 12. 2020

Huawei S12700 is an agile switch designed and developed for the core of next generation campus network. It adopts fully programmable architecture to meet business requirements flexibly and quickly. S12700 provides high-performance L2 / L3 switching service, and built-in high-capacity WLAN AC controller to realize the in-depth integration of wired and wireless services, breaking through the capacit...

• October 30. 2020

The growth of network bandwidth demand promotes the development of data transmission rate. Now 40G speed obviously can not meet the needs of data transmission, so 100G was born under this background. In the 100G short distance transmission scheme (500m-2km), the 100G QSFP28 PSM4 optical module is a more cost-effective solution for 100G data center. Next, ETU-LINK will introduce what is the 100G QS...

• November 13. 2020

40G network has been widely used in data center, and optical module is one of the essential components of data center equipment interconnection. Next ETU-LINK will introduce the types of 40G QSFP+ optical modules to you. 40GBASE-SR4 optical module: It uses MPO connector with working wavelength of 850nm. The transmission distance can reach 100m when used with OM3 multimode fiber; and can reach 150m...