• September 09. 2021

As an important part of the optical fiber communication system, the optical module plays the role of photoelectric conversion. In this article, ETU-LINK will introduce to you what are the core components of the optical module? 1. TOSA: Its main function is to convert electrical signals to optical signals, including lasers, MPD, TEC, isolator, Mux, coupling lenses and other devices, including ...

• June 15. 2021

In 40G short-distance optical network transmission, the conventional optical module solution is to use QSFP-40G-SR4 optical module and 12-core MPO multi-mode OM3 fiber patch cord. Although this solution can realize the upgrade of 10G network to 40G network, it uses MPO branch jumpers to connect 10G equipment and 40G equipment are obviously too expensive, so the industry has given a new optica...

• June 11. 2021

With the increasing network bandwidth, many data centers have upgraded their 10G network to 40G. There are many solutions for 40G optical modules, such as 40G SR4 and 40G LR4. Today, etu-link introduces an optical module suitable for upgrading 40G network on the basis of 10G network wiring. It is 40G QSFP+ LX4 optical module. Different from other 40G QSFP+ optical modules, it can use either multim...

• April 22. 2021

The QSFP28 package has become a mainstream 100G optical module with smaller size, power consumption and price advantages. In practical applications, how should we solve the interconnection requirements of 100G ports and 40G, 25G, and 10G ports? Below, ETU-LINK will introduce several common solutions to you.   QSFP28 port interconnects with QSFP+ port We need to change the switch port configur...

• April 14. 2021

With the mature development of 100G technology and the advent of 100G products, the deployment of large enterprise network and data center is evolving towards 100G. At present, 100G optical modules on the market include CFP, CFP2, CFP4, QSFP28 and CPAK. The sizes of 100G optical modules in different packages are different. Among them, the 100G optical module in QSFP28 package has the smallest...

• January 19. 2021

Nowadays, with the increasing demand of network throughput and bandwidth, the demand of 100G high-speed optical module is also growing. IEEE has developed two optical module standards for 100G network: 100G SR4 QSFP28 and 100G LR4 QSFP28. But in practical application, because the transmission distance of the above optical modules can not fully cover the transmission distance requirements of t...

• 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...