• March 04. 2023

In this blog, ETU-LINK will talk about 10G DWDM Tunable module and its differences from ordinary DWDM optical module. The wavelength of 10G conventional SFP+ DWDM optical module is fixed, while 10G SFP+ DWDM Tunable optical module can be configured to output different DWDM wavelengths. The wavelength tunable optical module has the characteristics of flexible...

• March 02. 2023

The RG-S6120 series switches are Ruijie Networks multi-service 10 Gigabit switches for next-generation converged networks. It integrates rich campus and data center features. This series of switches adopts advanced hardware architecture design and is equipped with Ruijie Networks' new modular operation. The system provides faster hardware processing performance and more convenient operation and us...

• February 28. 2023

Many partners do not know much about the packaging types of optical modules, so in this article, ETU-LINK introduces you to what are the common packaging types of optical modules, right? 1. SFP SFP is known as small form-factor Pluggable, which defines the standard to be followed from 1Gb/s to 28Gb/s single channel SFP package, SFP module compresses the size and power consumption of optical module...

• February 24. 2023

In this blog, ETU-LINK will take you through what SWDM short wavelength division multiplexing is. As super data center traffic continues to grow exponentially year after year, the bandwidth requirements of data centers are getting higher and higher, and the construction of next-generation data centers requires lower cost and wider bandwidth transmission media. The cost advantage of vertical cavity...

• February 21. 2023

In order to let you know more about the 100G QSFP28 optical transceivers, this article ETU-LINK will share the relevant knowledge of the 100G QSFP28 optical module with you in a question-and-answer format.     Q1: How many types of 100G QSFP28 optical transceivers? A1: At present, the 100G optical transceiver on the market include SR4, eSR4, PSM4, CWDM4, CLR4, LR4, ER4, ZR4, and the...

• January 11. 2023

Due to new applications such as 4K high-definition video, live broadcast and VR have promoted the rapid growth of global network traffic, and new applications such as cloud computing, laaS services and big data have higher requirements for data transmission in data centers, global data centers have been upgraded from the original 10G/40G to 25G/100G, which has triggered an increase in the demand f...

• December 29. 2022

From the perspective of the development trend of data centers, the trend of "cloud" and digitalization of enterprises is irreversible. The demand for data centers in information and communication technology (ICT) industries such as cloud computing, big data, and artificial intelligence is increasing, and the demand for data center bandwidth is increasing. With rapid growth of 25% to 35% per year, ...

• December 24. 2022

The traditional computing network of data centers is composed of the access layer, the convergence layer and the core layer. However, with the rapid growth of new applications and the amount of data, the requirements on the network architecture are constantly raised. Therefore, a new network topology architecture -- leaf-spine structure is born in the data center. Now, ETU-LINK will introduce the ...

• December 16. 2022

With the application of cloud computing, VR/AR, AI, 5G and other technologies, the bandwidth capacity of the global Internet has become very large. The flat two-layer leaf-spine (Leaf-Spine) architecture used in ultra-large-scale data centers requires a large number of interconnections, because each Leaf is fully interconnected with the spine to maximize non-blocking network connections between sw...

• December 13. 2022

DAC cable is often used in short-distance cabling schemes in data centers. Compared with other AOC active optical cable and optical module transmission schemes, it has high performance cost ratio , but the short transmission distance is its limitation. If the equipment spacing exceeds the length of direct attach cable, it is necessary to choose AOC active optical cable and optical module scheme. T...

• December 09. 2022

Common 40G QSFP+ multi-mode optical modules include SR4 and BIDI, so what is the difference between the two multi-mode optical modules? And how to choose it? ETU-LINK will introduce these two optical modules to you. The package type of QSFP-40G-SR4 is QSFP+, the interface type is MPO, the transmission distance can reach up to 100 meters when used with OM3 patch cords; and the transmission distance...

• December 07. 2022

In recent years, with the rapid development of the Internet, cloud computing and big data, the increasingly high demand for bandwidth has promoted the construction of IT infrastructure data centers. The current speed standard of 10G Ethernet cannot meet the rapid growth of network traffic demands of large and medium-sized enterprises. From the perspective of resource investment and cost, 25G is th...