• November 01. 2022

As networks grow in size, we are seeing a shift from the traditional three-layer network architecture to a flatter, wider Spine-Leaf architecture. Most modern e-commerce, social media and cloud applications use distributed computing to serve their customers.  Distributed computing means that servers speak to servers and work in parallel to create dynamic web pages and answer customer question...

• September 22. 2022

As data centers and telecom operators require higher transmission rates for optical modules, what technologies do optical module manufacturers use to achieve higher transmission rates? This article ETU-LINK will reveal the answer for you. 1. Increase the baud rate. The baud rate refers to the modulation rate of the data signal to the carrier. This method is mostly used for low rate optical modules...

• August 11. 2022

40G QSFP+ optical module refers to the transmission rate of 40G, and the package of this optical module is QSFP+. 40G optical module has four independent full-duplex transceiver channels, each channel of the transceiver rate of 10G, thus forming a 40G transmission rate, ETU LINK Optical Communication (ETU-LINK) will introduce the 40G QSFP + optical module what types are there. IEEE organization fo...

• July 29. 2022

Communication has existed since the primitive society. Beacon fires and flying pigeons were common communication methods in ancient times. Later, after the industrial revolution, telegraph and telephone appeared. Until the modern optical network, communication technology has been developing continuously. However, the three basic elements to complete the information transmission, namely the source,...

• July 12. 2022

The 100G QSFP28 SR4 optical module has a wavelength of 850 nm and uses a 4-channel 850 nm VCSEL laser array and a PIN photodetector array, and each channel can run at a rate of 25Gbps. The 100G QSFP28 SR4 optical module uses an MPO interface (12 cores) and has a transmission distance of 70m when used with OM3 multimode fiber and 100m when used with OM4 Multimode fiber. The 100G QSFP28 SR...

• February 23. 2022

Cloud computing and big data are booming in my country. In order to provide enough bandwidth, many access switches have been developed to aggregation/core switches that can connect to 40G Ethernet. 40G networks have been widely used in data centers, and optical modules are one of the indispensable components for data center equipment interconnection, so ETU-LINK will give you an inventory of the t...

• December 02. 2021

In the 1990s and early 2000s, network cards were generally used in computers, and they were slowly used in servers and workstations until later. During this period, due to the maturity of wireless technology and the popularization of wireless networks, wireless network cards were gradually widely used on computers. However, due to the reliability of the connection, the wired network card...

• November 23. 2021

The QSFP-40/100-SRBD is a dual-rate bidirectional (BiDi) optical module. It features 40G and 100G transmission rates and dual-fiber LC interface type. It can easily help customers upgrade from 10G to 40G/100G networks using existing 10G network duplex multimode fiber architecture. In the following, ETU-LINK will introduce the relevant parameters of the QSFP-40/100-SRBD optical module and the ...