• 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...

• March 02. 2022

In data center and building cabling, safety is critical. Many users ask: What are OFNP, OFNR, LSZH? What do these flame‑retardant grades mean? Which one should I use for plenum, riser, or indoor areas?  The flame retardant grades of optical cables can be divided into three types, OFN, OFNR and OFNP. This article explains definitions, standards, performance, and applications to help you choose...

• 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 ...

• November 17. 2021

Many network installers and project engineers ask: What is fiber media converter used for? How to wire media converter correctly? Does media converter have to be used in pairs? What matters need attention during installation? This article introduces working principle, classification, step-by-step wiring steps and practical precautions of media converter. Optical fiber media converter is also known...

• 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 10. 2021

With the advent of 40G Ethernet, many enterprise users have begun to take full advantage of current 10G network equipment to upgrade to 40G networks. In other words, this involves the use of 40G switches with QSFP+ ports and existing 10G devices (switches and servers) with SFP+ ports. How can I connect a 40G QSFP+ port to a 10G SFP+ port? What solutions are available? Which one is best for my dist...