• September 07. 2022

When we start to learn fiber patch cord, may be many partners do not know what simplex and duplex exactly stand for? This blog ETU-LINK will analyze what is simplex, duplex. In fact, the optical fiber patch cord simplex and duplex refer to the working mode of the interface. Simplex and duplex are the two modes of communication channel in the telecommunication computer network. Simplex refers to th...

• August 25. 2022

What is OM5 fiber patch cord? Where can it be used? As we know that OM3 and OM4 multimode fibers are mainly used to connect optical modules in the 850nm band. However, with the continuous improvement of the transmission rate of optical modules, since the parallel transmission technology uses multiple single-channel parallel transmissions, more dense fiber cabling is required, management and mainte...

• August 23. 2022

Winner in the data center space–10G DAC high-speed cable This blog, ETU-LINK Optical Communication will share you about the transmission cable commonly used in data centers - 10G DAC high-speed cables, because the data center not only has to consider high density, high capacity, but also take into account the cost control, so it is very important to choose a reasonable data center wiring prod...

• August 16. 2022

With the continuous surge in data center traffic, the market demand for 100G optical modules is also further increasing. Common 100G optical modules include SR4, LR4, ER4, etc. However, in practical applications, due to the length of the optical fiber link. Several types of optical modules alone cannot meet the most cost-effective optical network transmission solutions in data centers. Therefore, ...

• 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 21. 2022

In the construction of metropolitan area network, wavelength division multiplexing equipment is an important part, mainly including CWDM coarse wavelength division multiplexing equipment and DWDM dense wavelength division multiplexing equipment, so what is the difference between the two? In this article, ETU-LINK will tell you the difference between CWDM equipment and DWDM equipment.   1.&nbs...

• July 18. 2022

We believe that many small partners have a question in their minds, what are the differences between single-fiber and dual-fiber optical modules and their differences in application scenarios.In this article, ETU-LINK will explain the difference between BIDI single-fiber bidirectional and dual-fiber bidirectional optical modules.   First of all, there is an obvious difference in the interface...

• July 14. 2022

The data shows that the growth rate of 10G and 40G ports is much higher than the low-speed growth rate. As the core technology and key part of the next-generation high-speed and large-capacity optical network, 40G optical module has high transmission rate and small size. Wide range of applications, the following ETU-LINK will introduce the next 40G optical module - 40G PSM4 optical module. &n...

• 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...

• July 07. 2022

As the Ministry of Industry and Information Technology issued 5G commercial licenses to China Telecom, China Mobile, China Unicom and China Radio and Television. 5G network over the next five years (fifth generation) mobile communication technology rapid development will become hot spot in the field of information and communication, bearing network construction and upgrade the first push light tel...

• July 01. 2022

This article ETU-LINK will take you to understand some innovative changes in silicon optical technology in the optical transceiver industry. Silicon optical technology, simply say is "optical substitution electricity", by integrating a large number of optical devices into a single silicon optical chip to greatly reduce the size of the optical module, simplify the design and production of opti...