• December 29. 2020

Optical fiber communication technology and computer technology as the two pillars of information technology, in which the computer is responsible for digitizing information, while optical fiber is responsible for transmitting information. Optical fiber communication uses light waves as carrier waves to transmit information from A to B. According to ITU-T standard, communication optical fiber can b...

• December 19. 2020

Data center computer room plays an important role in enterprise data processing and storage, but it is also accompanied by high energy consumption. Among them, the power consumption of network equipment such as switches accounts for 40% - 70% of the total power consumption. In addition, the power consumption of cooling and lighting equipment in the computer room makes up a very high proportion of ...

• December 17. 2020

WDM is a technology to solve the shortage of optical fiber resources. Its main purpose is to increase the available bandwidth of optical fiber without laying more fibers. CWDM and DWDM are two kinds of WDM technology which are widely used in telecommunication. They are mainly used in WDM / demultiplexer. WDM / demultiplexer should be used together with WDM optical module. Next ETU-LINK will show y...

• December 15. 2020

At present, 5G has started the commercialization process, but the complex bearer scheme leads to the increase of the corresponding optical module types. For 5G forward transmission, in terms of speed, AAU has introduced the eCPRI protocol standard, and the forward 25G rate has become the standard of various equipment manufacturers. Because of this, the rate standard of the carrier network will be ...

• December 11. 2020

The Cisco Nexus 9000 series switch is designed to meet the increasing demand of users and complex applications in the data center. It not only supports ports with 10/25/40/100G transmission rates, but also supports 16/32G fiber channel, Ethernet RDMA (RoCE) and IP storage unified port. The Cisco Nexus 9000 series switches include the Nexus 9500 modular switch and the Nexus 9300 non modular switch....

• December 08. 2020

H3C S6820 series switch is a high-density intelligent 100G switch developed by H3C company for cloud data center and high-end park. It has strong hardware forwarding ability and rich data center business characteristics. It can support up to 32 100G QSFP28 ports and two 1g out of band management network ports (one for Optoelectronics). Each 100G port can not only support 100g, 40g adaptive, but al...

• December 05. 2020

With the development of global optical communication network, optical transceiver module plays an increasingly important role in the field of optical communication. Optical communication devices and technologies are also developing in the direction of modularization, high speed, integration, multiple applications, multi-function, flexibility and low-cost. High speed and high-quality optical fiber ...

• December 02. 2020

With the increasing demand of network throughput and bandwidth, the demand of 40G high-speed optical module also increases. Next, yitianguang communication will introduce an optical module commonly used in 40G Data Center —— 40GBase-LR4 optical module. Introduction of 40GBase-LR4 optical module The 40GBase-LR4 optical module is adopted QSFP+ package form with wavelengths of 1271, 1291, 1311 and 13...

• November 24. 2020

In recent years, with the needs of users and the development of data center, low-speed optical communication products have been unable to meet the needs of daily data transmission. The data transmission speed of optical module has increased from 10G, 25G, 40G to 100G, 200G and even 400G. At present, the package form of 100G optical module have 4 types: CFPP, CFP2, CFP4 and QSFP28 in the market. Th...

• November 20. 2020

With the increasing demand for data transmission, the traditional 10G Ethernet can no longer meet the modern transmission requirements. Because of the high deployment cost of 40G/100G Ethernet network,25G Ethernet has become a good transition scheme. In the construction of 25G network, 25G SFP28 optical module has become a good solution. Next, yitianguang communication will introduce a kind of opt...

• November 20. 2020

In 2020, 5G network began to be tested in developed cities, and 25G SFP28 optical module was also applied in the construction of 5G signal base station. The 25G SFP28 optical module is not only used in 5G network, but also widely used in 25G data center. The best input/output (I/O) performance and fiber capacity of the 25G SFP28 optical module are 2.5 times of the performance of 10G Ethernet, and ...

• November 13. 2020

40G network has been widely used in data center, and optical module is one of the essential components of data center equipment interconnection. Next ETU-LINK will introduce the types of 40G QSFP+ optical modules to you. 40GBASE-SR4 optical module: It uses MPO connector with working wavelength of 850nm. The transmission distance can reach 100m when used with OM3 multimode fiber; and can reach 150m...