• January 21. 2025

In the field of high-speed data transmission, 100G QSFP28 optical modules have become a key component of network communications. With the continuous expansion of data center scale and the extension of network coverage, how to choose the right optical module - single fiber (BIDI) or multi-fiber , has become an important issue that many network engineers and decision makers need to carefully weigh. ...

• January 13. 2025

As the digital wave sweeps across the world, network communication technology is changing with each passing day. The speed and stability of data transmission have become the focus of attention for enterprises and data centers. In the actual network construction and upgrade process, it is often necessary to convert 100G QSFP28 to 25G SFP28 to meet the diverse needs of different network architecture...

• November 11. 2024

As an optoelectronic device with high performance and long-distance transmission capability, optical modules play a crucial role in modern data centers, enterprise networks and communications. With the continuous progress and innovation of technology, more and more optical module products with different characteristics and application scenarios have appeared in the market. Today, ETU-LINK brings y...

• July 18. 2024

With the rapid development of information technology and the increasing demand for data transmission, optical communication technology plays a crucial role in modern networks.DWDM technology dramatically increases the capacity of data transmission by using multiple optical signals of different wavelengths on a single optical fiber at the same time. Tunable modules enable flexible and efficient wav...

• August 25. 2023

With the continuous development of modern information technology, the demand for information transmission channel capacity by users is also rapidly increasing. Therefore, the market demand for 100G optical modules is constantly increasing, and their proportion in network construction costs is gradually increasing. The mainstream packaging of 100G optical modules mainly includes CFP, CFP2, CFP...

• December 01. 2022

In fiber optic networking, many users ask: What are single fiber and dual fiber optical modules? What is the difference between them? How to choose single fiber vs dual fiber for my project? This article explains definition, structure, wavelength, application, compatibility, and selection rules to help you use them correctly. What are single fiber optical modules and dual fiber optical modules?&nb...

• July 18. 2022

We believe that many small partners have a question in their minds, What is BIDI single‑fiber bidirectional? What is dual‑fiber bidirectional? What are their core differences in structure, principle, cost, and application? What are the differences between single‑fiber and dual‑fiber optical modules and their differences in application scenarios. In this article, ETU-LINK will explain the differenc...

• January 24. 2022

In this blog, ETU-LINK will make an inventory of the part numbers and supported transmission distances of 1.25G SFP BiDi Simplex optical modules. 1.25G SFP BiDi Simplex bidirectional optical module supports 1.25Gb/s transmission rate, supports hot swap, Simplex bidirectional transmission, supports temperature range : commercial temperature (0℃～+70℃), extended temperature (-20℃～+85℃) ), and industr...