• October 21. 2023

With the increasing demand for large-scale cloud services and data center storage and processing, data center systems have become increasingly dispersed, making management increasingly difficult. In order to ensure the interconnection of high bandwidth and high-density data centers, 400G ZR was born on this basis. In this issue, we will explore the working principle, characteristics, and applicati...

• October 18. 2023

As a network solution provider, energy conservation and cost are two important factors to consider when deploying data center networks. CWDM (Coarse Wave Division Multiplexing), as a low-cost WDM transmission technology for metropolitan area network access layer, is favored by market users. Today ETU-LINK will take you to learn the 16G CWDM SFP+ optical module. Feature Ø Supports up to 14.025...

• October 08. 2023

In the deployment of 40G networks, the 40G QSFP+ optical module is one of the most widely used, defined by IEEE 802.3ba, and supports different applications. The two basic interface specifications for QSFP+ optical modules are 40G BASE-SR4 and 40G BASE-LR4. In this blog, ETU-LINK will talk about the differences between 40 QSFP+ SR4 optical modules and 40G QSFP+ LR4 optical modules. Let's take a lo...

• September 28. 2023

40G QSFP+optical module is dedicated to high-density application systems, with higher port density and lower overall system cost compared to traditional SFP+optical modules. Due to the differences in various parameters, the application range is also different. 40G QSFP+ SR4 optical modules are mostly used in multimode applications to achieve short distance connections of data center equipment...

• September 20. 2023

In the previous blogs, we have already introduced the long-distance optical module in detail. Today ETU-LINK will take you through the differences between long-distance optical modules and short-distance optical modules.   With the rapid development of optical communication, people's speed requirements for telecommunications and data communication networks are constantly increasing, and trans...

• September 15. 2023

High-speed cables are fixed components that support high-speed data transmission. With cost advantages and energy-saving advantages, high-speed cables are currently widely used in data centers for short-distance applications. It can be connected to switches, servers, routers, network interface cards (NIC), host bus adapters (HBA) that provide high density and high data throughput. The common types...

• September 07. 2023

Direct Attach Cable(DAC）is generally translated as direct cable, high-speed cable, passive copper core cable, etc. 40G QSFP+ DAC cable with fixed QSFP+ modules at both ends. 40G QSFP+ DAC stacking cable can be divided into 40G QSFP+ to QSFP+ cable and 40G QSFP+ to 4*SFP+ cable. And the 40G QSFP+ to QSFP+ cable is a 40G QSFP+ module at both ends, wh...

• September 01. 2023

The 25G SFP28 optical module is simply an optical module with a transmission rate of 25Gbps, mainly used in 25G Ethernet and 100G (4x25Gbps) Ethernet, which can meet the growing demand of data centers in the most energy-saving way. Therefore, when there is a problem of high cost in optical modules such as 40G and 100G, 25G SFP28 optical modules have become a good solution. In this article, ET...

• August 25. 2023

With the continuous development of modern information technology, the demand for information transmission channel capacity by users is also rapidly increasing. Therefore, the market demand for 100G optical modules is constantly increasing, and their proportion in network construction costs is gradually increasing. The mainstream packaging of 100G optical modules mainly includes CFP, CFP2, CFP...

• August 22. 2023

AOC (Active Optical Cables) refers to communication cables that require the use of external energy to convert electrical signals into optical signals or convert optical signals into electrical signals during the communication process. The optical transceivers at both ends of the cable can provide photoelectric conversion and optical transmission functions. AOC active optical cables have different ...

• August 18. 2023

QSFP-DD, as the preferred packaging for 400G optical modules, can effectively expand the cloud capacity of data centers and meet the growing bandwidth requirements of ultra large data centers. In the previous blog, we introduced the 400G QSFP-DD FR4 optical module. Today ETU-LINK will introduce you the commonly used long-distance transmission solution for large-scale data centers -400G QSFP-DD LR8...

• August 15. 2023

Optical modules are the most common optoelectronic converter components. In optical communication networks, transmission capacity is the most core and highly concerned parameter. Among them, the transmission distance of optical modules also varies. In different fields and links of optical communication network transmission, the requirements for the characteristics of optical modules are also ...