• February 20. 2025

Although data centers have developed to 400G / 800G optical modules, 10G Ethernet is still one of the main products in many schools, institutions, telecommunications transmission and enterprise computer rooms. Therefore, for 10G data transmission, 10G SFP+ optical modules and 10G XFP optical modules are still in high demand. Here, we will introduce the 10G SFP+/XFP dual-fiber long-distance transmi...

• February 13. 2025

100G Ethernet optical module originated from the urgent need for high-capacity data transmission. It can provide high-speed 100Gb/s transmission rate to meet the needs of Internet applications, cloud computing, big data and high-definition video. Among them, 100G QSFP28 ER4 optical modules are widely used in long-distance transmission scenarios. For 40KM application scenarios, 100G ER4 optical mod...

• February 11. 2025

With the increasing demand for data transmission in Internet applications, cloud computing, big data and HD video, the demand for network bandwidth has increased dramatically. 100G optical modules can provide a transmission rate of 100Gb/s, which is able to meet the demand for high bandwidth. In this article, we will focus on 100G QSFP28 SR4 short-distance transmission solutions, through the conne...

• 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...

• January 03. 2025

Optical modules and fiber optic transceivers are both important devices in fiber optic communication systems, is there any difference between them? How to choose? This article will introduce the difference between the two and the precautions to be taken when connecting. I. Conceptual nature Optical module: belongs to a pluggable photoelectric conversion module, it is designed to be inserted into t...

• December 10. 2024

In the field of optical communication, the packaging of optical devices plays a crucial role in the performance and application of optical modules. Common optical device packaging methods include COB (chip-on-board packaging), BOX and coaxial packaging. Today, we will discuss the differences between them to help you better understand their characteristics and application scenarios. I. COB package ...

• November 27. 2024

With the boom in generative AI technology, we are stepping into a new era where everything is stored, everything is smart, and everything is connected. In this era, the flood of data is coming in like a tidal wave, posing unprecedented challenges to data center infrastructure. To meet the growing computational demands of AI models, Large Language Models (LLMs) need to simultaneously process massiv...

• November 20. 2024

Optical Module Background and Basic Principle In the introduction of product parameters of optical modules, we often mention the modulation mode as a key indicator, DML (Directly Modulation Laser) and EML (External Modulation Laser) are two major modulation technologies for optical modules. The basic function of an optical module is to achieve optoelectronic conversion, i.e., the mutual conversion...

• 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...