• April 24. 2023

From the perspective of the development trend of data centers, the trend of "cloud" and digitalization of enterprises is irreversible. The ICT industry such as cloud computing, big data and artificial intelligence has an increasingly large demand for data centers. The bandwidth demand of data centers is growing at a rapid rate of 25% to 35% every year, and the bandwidth capacity is also doubling. ...

• September 07. 2022

Fiber patch cords are key components in fiber optic communication, data center cabling, and enterprise network interconnection. For beginners and network engineers, understanding simplex and duplex fiber patch cords is essential for correct selection and deployment. What Do Simplex and Duplex Mean in Fiber Patch Cords? When we start to learn fiber patch cord, may be many partners do not know what ...

• July 12. 2022

The 100G QSFP28 SR4 optical module has a wavelength of 850 nm and uses a 4-channel 850 nm VCSEL laser array and a PIN photodetector array, and each channel can run at a rate of 25Gbps. The 100G QSFP28 SR4 optical module uses an MPO interface (12 cores) and has a transmission distance of 70m when used with OM3 multimode fiber and 100m when used with OM4 Multimode fiber. The 100G QSFP28 SR...

• April 26. 2022

Single-mode (SM) fiber and multimode (MM) fiber are the two most commonly used transmission media in fiber optic communication, data centers, and enterprise networks. Choosing the right fiber type directly affects transmission speed, distance, stability, and cost. This article will explain their definitions, differences, and applications in detail. What Is Multimode (MM) Fiber? MM fiber is a fiber...

• March 30. 2022

In this blog, ETU-LINK will introduce the difference between MPO and MTP connectors? First, let's learn about what MPO and MTP connectors are respectively.   MPO is the abbreviation of Multi-fiber Push On. It is the first generation of multi-core optical fiber connector designed by NTT company in Japan. Its main industrial standard isIEC-61754-7, and the current national s...

• March 19. 2022

When selecting or configuring a network switch, you often encounter ports labeled G, F, E, and S. Understanding the differences between these port types is essential for proper network design, cable selection, and optical module compatibility. Below, we break down each port type in detail. 1. What Is an S Port on a Switch? S port is fully called serial interface, also known as high-speed asynchron...

• March 17. 2022

The intelligent building network is responsible for the data transmission tasks of various building automation systems, such as lighting, air conditioning, electrical, monitoring, computers, wireless devices, etc. In this blog, ETU-LINK will introduce the networking solution of intelligent building. As the intelligent buildings are relatively dense and the business volume is relatively large,...

• March 10. 2022

In this blog, ETU-Link will introduce OM5 optical fiber patch cord. In order to distinguish different optical fiber patch cord, different colors outer sheath are used.For non-military purposes, single mode optical fibers generally use yellow outer sheath. In the multimode optical fiber, OM1 and OM2 are orange, OM3 and OM4 are aqua blue, and OM5 is aqua green. After understanding the color appearan...