• May 17. 2019

The steady development of a technology-based enterprise is inseparable from the tireless R&D team. If you do not want to be eliminated by market, behind the people, existing in the market, you must be advance with the times and continue to innovate. As a member of high-tech enterprises, ETU-Link should follow the path of innovation of predecessors and make continuous breakthroughs. Every stage...

• July 31. 2019

The weather in July is still hot, and you still hard work ~ Here we have afternoon tea together and talk a few words; we drummed the keyboard together to promote the continuous improvement of work;we research and development together, tamp the foundation, develop and innovate,discuss the world of knowledge together -- our optical communication. Yes, it is the day of examination again. The examinat...

• December 13. 2022

DAC cable is often used in short-distance cabling schemes in data centers. Compared with other AOC active optical cable and optical module transmission schemes, it has high performance cost ratio , but the short transmission distance is its limitation. If the equipment spacing exceeds the length of direct attach cable, it is necessary to choose AOC active optical cable and optical module scheme. T...

• September 01. 2025

As core components of optical communication systems, the proper installation and use of optical modules directly impacts network stability. This article systematically identifies common anomalies during optical module installation. Combining hardware principles with practical experience, it provides step-by-step solutions and key considerations to help engineers efficiently troubleshoot. Ⅰ. Common...

• October 30. 2025

In the field of optical communication, optical modules are key components for realizing photoelectric signal conversion, and their quality and performance directly affect the stable operation of the entire communication system. As an optical communication solution provider serving over 100 countries, ETU-LINK Optical Communication optical modules have already passed CE, FCC, RoHS, FCC, ISO9001 and...

• November 19. 2025

In the field of optical communication, optical modules, as the core components for data transmission, rely heavily on a small "information business card"—a tag—for stable operation and efficient management. ETU-LINK, as a professional optical module manufacturer, deeply understands the importance of tags to its products. For the entire lifecycle of optical modules, ETU-LINK has created a different...

• December 11. 2025

Many people encounter a core question when setting up a network: should I use multimode fiber or single-mode fiber? Today, ETU-LINK will thoroughly explain the differences between the two to help you make the most economical and efficient choice. I. Core Principle: Different Light Transmission Methods As the name suggests, "mode" refers to the path pattern of light propagating in an optical fiber....

• December 23. 2025

In critical communication scenarios such as data centers and 5G base stations, optical modules serve as the "core hub" for photoelectric signal conversion, and their "zero-failure" operation directly impacts the stability of the entire communication network. ETU-LINK, leveraging years of accumulated expertise and utilizing its cleanroom as a core base, has achieved a legendary "zero-failure" quali...