Home / 100B-FX: 100BASE-FX
February 9, 2024

100B-FX: 100BASE-FX

February 9, 2024
Read 2 min

100B-FX, also known as 100BASE-FX, is a network technology that falls under the category of Fast Ethernet. It is a standard for transmitting data at a rate of 100 megabits per second (Mbps) over fiber optic cables. The 100 in 100B-FX represents the transmission rate, while BASE indicates baseband signaling and FX stands for fiber optic technology. This technology provides a reliable and efficient means of data transmission in various information technology systems.


100B-FX is part of the Fast Ethernet family, which was introduced as an enhancement to the widely used Ethernet technology. It offers a significant improvement in data transfer speeds compared to the original Ethernet, which was limited to 10 Mbps. By achieving data rates of 100 Mbps, 100B-FX enables faster communication and supports bandwidth-intensive applications.

The implementation of 100B-FX involves the use of specifically designed fiber optic cables to transmit data. Fiber optic cables consist of thin strands of glass or plastic that transmit data as pulses of light. This method of transmission allows for greater bandwidth and longer transmission distances compared to traditional copper-based cables.


One of the main advantages of using 100B-FX is its high data transfer rate. With a speed of 100 Mbps, this technology provides a significant boost in network performance, enabling quicker file transfers, smoother video streaming, and more efficient data processing.

Another key advantage of 100B-FX is its use of fiber optic cables. Fiber optic technology offers several benefits over traditional copper cabling. It provides improved immunity to electromagnetic interference, allowing for more reliable data transmission. Additionally, fiber optic cables have a greater capacity for data transmission over longer distances, making them ideal for applications where long cable runs are required.

Furthermore, 100B-FX is backward compatible with earlier Ethernet standards, enabling seamless integration with existing networks. This makes it easier for organizations to upgrade their networks to support higher data rates without the need for a complete overhaul.


100B-FX finds applications in various areas of information technology. It is commonly used in local area networks (LANs) within organizations, where high-speed data transmission is required. This technology is particularly useful in environments with heavy network traffic, such as offices, data centers, and educational institutions.

Moreover, 100B-FX is commonly employed in specific industries that demand high-performance networks. For example, the financial technology (fintech) industry often relies on 100B-FX to ensure secure and fast transmission of financial data. Similarly, the healthcare technology (healthtech) sector utilizes this technology to support efficient exchange of medical records and diagnostic images.


In conclusion, 100B-FX is a network technology within the Fast Ethernet family that enables high-speed data transfer at 100 Mbps. With its use of fiber optic cables, it offers advantages such as improved reliability, immunity to interference, and the ability to transmit data over longer distances. The backward compatibility of 100B-FX ensures easy integration with existing networks. This technology finds applications in various sectors, including software development, coding, fintech, healthtech, and IT project management. Its high data transfer rate and reliability make 100B-FX a valuable asset in modern information technology systems.

Recent Articles

Visit Blog

Trading Systems: Exploring the Differences

Finicity Integration for Fintech Development

Choosing Between Custom and White-Label Apps: Pros and Cons

Back to top