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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...
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...
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...
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...
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...
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...
s the data center network topology continues to upgrade and evolve, optical interconnection solutions for data centers are moving toward higher speed, lower power consumption, and lower cost. In the future, data centers will become more and more complex, which will inevitably lead to technological innovation. Silicon optical technology is one of the innovation directions in the data center scenari...
The development of optical communication has driven the rapid growth of optical communication components. As one of the components of optical communication, the optical module plays a role in photoelectric conversion. There are many types of optical modules, such as SFP optical modules, SFP+ optical modules, QSFP+ optical modules, QSFP28 optical modules, CWDM optical modules, DWDM optical modules,...
In this blog, ETU-LINK will introduce the electronic components of the PCBA board in the optical module. The circuit board without soldering electronic components is called PCB. PCB is divided into single-sided circuit board, double-sided circuit board and multi-layer boards, in which single-sided circuit boards have only one layer and only one side has circuits, double-sided circuit boards have t...
The RG-S6920-4C switch is a new generation of high-performance, high-density card-type switches launched by Ruijie Networks for the development trend of AI and other applications.The RG-S6920-4C switch cooperates with the RGS6510 and RG-S6250 series TOR switches to meet the full three-layer network architecture design requirements of Spine-Leaf. The RG-S6920-4C switch is configured wit...
The release of the new infrastructure policy has accelerated China's 5G deployment, 5G construction, bearing first. The gradual commercial use of 5G network can effectively promote the rapid development of new technologies and applications such as industrial Internet, artificial intelligence and Internet of Things. The extensive development of 5G application can improve people's living standard, i...
AOC active optical cable refers to the communication cable that needs to use external energy to convert electrical signals and optical signals to each other in the communication process, and the optical transceivers at both ends of the optical cable provide photoelectric conversion and optical transmission functions. Today ETU-LINK will introduce the 40G AOC active optical cable. The 4...
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