• 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 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 29. 2020

In recent years, the traffic and bandwidth of the data center are growing exponentially, and the data center is also gradually transiting from 10G and 40G to 100G network, which drives the application of 100G optical modules in the data center. As a photoelectric converter, optical module is a very important part of optical fiber communication. Because optical fiber communication has the character...

• December 31. 2020

Usually, there are thousands of switches in a large data center. When connecting switches, sometimes different brands of switches are connected. So, can different brands of switches and optical modules be interconnected? The answer is yes, but you need to meet the following conditions to interconnect. 1. The specifications and parameters of optical modules of switches on both sides must be consist...

• January 09. 2021

As the internal traffic of the Internet giant's data center increases nearly 100% every year, many giants will seek 200G optical module to solve the growing demand for data transmission. There are mainly two types of 200G optical modules: QSFP-DD and QSFP56. Among them, QSFP-DD refers to four channel small pluggable double density package, which is defined by QSFP-DD MSA group, which is twice the ...

• January 16. 2021

People's desire for high-speed optical network promotes the vigorous development of the entire optical communication industry, including the independent research and innovation of optoelectronic device technology and many other technologies. At this stage, most of the data centers have deployed 100G network. In 100G medium range optical network transmission, 100G QSFP28 PSM4 and 100G QSFP28 CWDM4 ...

• February 02. 2021

Metropolitan area network is a computer communication network established within a city, referred to as MAN. It is a broadband local area network. Due to the local area network technology with active switching elements, the transmission delay in the network is small, and its transmission medium mainly uses optical cables, and the transmission rate is above 100Gbit/s. An important use of MAN is for...

• February 20. 2021

EPON is a passive optical network based on Ethernet, which is an important part of optical access technology. The PON network consists of OLT (optical line terminal), ODN (passive optical splitter network) and ONU (optical network terminal). Partial composition. OLT equipment is located at the core position in the network topology. It accesses multiple service networks upwards, and accesses multip...