• 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 ...

• August 10. 2023

The arrival of the 5G era has brought great opportunities to the optical communication industry, and users have increasingly high requirements for high-speed data transmission. At the same time, it is also driving the upgrade from 100G to 400G. Among 100G optical modules, QSFP28 is the most common type of optical module. So today, let's talk about the difference between the 100G PSM4 and the 100G ...

• August 08. 2023

The amount of information transmission and exchange is increasing day by day, and there are more and more high-density and broadband applications. Traditional copper cables can no longer meet the needs of communication. Compared to traditional cables, active optical cables can help communication equipment enjoy the huge advantages of optical transmission. What is the difference between AOC active ...

• August 03. 2023

At present, the technology of optical fiber communication is developing more and more rapidly, and there are a variety of Optical module products on the market. Today, ETU-LINK will teach you how to choose Optical module. There are three main types of Optical module in the current market: the first is the original Optical module, which is the module of the switch, router and other network equ...

• August 01. 2023

Do you know the difference between active optical cable and Optical module? Today, ETU-LINK will talk about the differences between 40G AOC and 40G SR4. Let's take a look together.   What is 40G QSFP+ AOC active optical cable? 40G QSFP+ AOC active optical cable is composed of multimode optical fiber and two QSFP+ connectors. It has four data channels in each signal direction, with a maxi...

• July 28. 2023

As an important component of optical communication systems, the quality of fiber optic jumpers' connectors determines the transmission quality of the network. The function of the connector is to precisely connect the two separated fiber end faces, so that the optical energy output by the transmitting fiber can be coupled to the receiving fiber to the maximum extent. Optical fiber connectors i...