• January 16. 2021

People's desire for high-speed optical network promotes the vigorous development of the entire optical communication industry, including the independent research and innovation of optoelectronic device technology and many other technologies. At this stage, most of the data centers have deployed 100G network. In 100G medium range optical network transmission, 100G QSFP28 PSM4 and 100G QSFP28 CWDM4 ...

• January 14. 2021

As a photoelectric integrated product used to realize photoelectric conversion in optical fiber communications, optical modules are now widely used in data centers, fiber to the home, local area networks, base stations and other fields. In the process of using the optical module, it is inevitable that there will be abnormal usage. Next ETU-LINK will introduce several main reasons for the failure o...

• January 09. 2021

As the internal traffic of the Internet giant's data center increases nearly 100% every year, many giants will seek 200G optical module to solve the growing demand for data transmission. There are mainly two types of 200G optical modules: QSFP-DD and QSFP56. Among them, QSFP-DD refers to four channel small pluggable double density package, which is defined by QSFP-DD MSA group, which is twice the ...

• January 07. 2021

Both 100G QSFP28 SR4 optical module and 100G QSFP28 AOC active optical cable are widely used in short distance interconnection of 100G data center. Since both of them can realize short distance interconnection, what is the difference between them and what are their advantages and disadvantages?   Before understanding the differences between them, let's first know their common points. Fir...

• January 06. 2021

40G QSFP+ SR4 optical module and 40G QSFP+ AOC active optical cable are widely used in short distance interconnection of 40G data center. Since both of them can realize short distance interconnection, what is the difference between them and what are their advantages and disadvantages? ETU-LINK will tell you the answer. 40G QSFP+ SR4 optical module VS 40G QSFP+ AOC active optical cable 1. Different...

• December 29. 2020

In recent years, the traffic and bandwidth of the data center are growing exponentially, and the data center is also gradually transiting from 10G and 40G to 100G network, which drives the application of 100G optical modules in the data center. As a photoelectric converter, optical module is a very important part of optical fiber communication. Because optical fiber communication has the character...

• December 17. 2020

WDM is a technology to solve the shortage of optical fiber resources. Its main purpose is to increase the available bandwidth of optical fiber without laying more fibers. CWDM and DWDM are two kinds of WDM technology which are widely used in telecommunication. They are mainly used in WDM / demultiplexer. WDM / demultiplexer should be used together with WDM optical module. Next ETU-LINK will show y...

• December 15. 2020

At present, 5G has started the commercialization process, but the complex bearer scheme leads to the increase of the corresponding optical module types. For 5G forward transmission, in terms of speed, AAU has introduced the eCPRI protocol standard, and the forward 25G rate has become the standard of various equipment manufacturers. Because of this, the rate standard of the carrier network will be ...

• December 05. 2020

With the development of global optical communication network, optical transceiver module plays an increasingly important role in the field of optical communication. Optical communication devices and technologies are also developing in the direction of modularization, high speed, integration, multiple applications, multi-function, flexibility and low-cost. High speed and high-quality optical fiber ...

• December 02. 2020

With the increasing demand of network throughput and bandwidth, the demand of 40G high-speed optical module also increases. Next, yitianguang communication will introduce an optical module commonly used in 40G Data Center —— 40GBase-LR4 optical module. Introduction of 40GBase-LR4 optical module The 40GBase-LR4 optical module is adopted QSFP+ package form with wavelengths of 1271, 1291, 1311 and 13...