• March 03. 2026

In early 2026, global commodity markets experienced increased volatility: gold prices broke through $5,189 per ounce, and prices of non-ferrous metals such as copper and tin rose by more than 20% year-on-year. Prices of epoxy resin and fiberglass, key raw materials for PCB boards, also continued their upward trend. For the optical module industry, these raw materials form the "basic framework" of ...

• December 30. 2025

In the optical module production workshop of ETU-LINK Optical Communication, there are no spotlights, only a group of ordinary employees working silently. Day after day, they stick to their posts, using their skilled techniques and heavy sense of responsibility to ensure the quality of every optical module. Those products bearing "Made by ETU-LINK" are shipped to various places with this dedicatio...

• 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...

• 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....

• 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...

• 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...

• 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...

• 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...