• April 09. 2026

In 2026, the global optical fiber market experienced a new round of price fluctuations, with some optical fiber products reaching near seven-year highs. This phenomenon is the result of multiple factors, including tight supply of optical fiber preforms (preforms), long expansion cycles for optical fiber production capacity, and the explosive growth of emerging applications such as AI computing pow...

• April 27. 2023

In order to be more widely compatible with more branded devices, ETU-Link has newly introduced the Aruba 2930F JL254A switch, 2930F supports built-in 1GbE or 10GbE uplink, PoE+, access OSPF routing, tunnel node, RIP routing and IPv6, no software license required.The Aruba 2930F switch series provides a convenient and cost-effective access switch solution that can be set up quickly with zero-touch ...

• 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...

• February 16. 2022

In this blog, ETU-LINK will introduce the fire rating standards of copper cables. The flame retardant grades of copper cables are divided into four grades: CMX, CM, CMR, and CMP. The minimum is CMX.   The insulation layer of the CMP cable is made of FEP material, and the outer sheath is made of PVC. FEP has strong fire resistance and can endure temperatures as high as 800°C or more before it ...

• August 19. 2021

NAS storage network is a solution to meet the low-cost storage needs of small and medium-sized enterprises. Among them, NAS storage refers to network-attached storage, which is a device for storing data. It takes data as the center, completely separates storage devices and servers, and centrally manages data, thereby freeing up bandwidth, improving performance, reducing total cost of ownership, an...

• August 05. 2021

What Is a Server and How Does It Connect to a Switch? Server-switch interconnection and campus network deployment are core networking scenarios in enterprise, education, and data center communication. This article provides complete solutions for server-switch connection, high-speed optical interconnection, and reliable campus network construction with standard-compliant components and best practic...

• July 21. 2021

As we all know, DAC active cable is mainly used for interconnection between cabinets. Due to the limitation of passive copper cable DAC transmission distance due to material, high frequency loss of connector and other factors, the maximum length of passive copper cable DAC with transmission rate of 10G/25G can only reach 7m, and the maximum length of passive copper cable DAC with transmission rate...

• July 06. 2021

High speed cable and active optical cable are commonly used short-distance interconnection products in data center and enterprise computer room, but they have their own advantages and disadvantages. In this article, ETU-LINK will show you how to choose high-speed cable and active optical cable in data center computer room and how to compare their advantages?   First of all, let's ta...