• March 16. 2021

A high-quality optical module can ensure the flexible operation of high-density optical network, and provide convenience for subsequent management and expansion. So how should we judge the quality of optical module? Next, ETU-LINK will give you some judgment indicators.     The optical module shall comply with MSA multi-source protocol, and the manufacturer shall pass CE, ROHS, FCC ...

• March 12. 2021

In the optical network solution, the unit cost of optical module as an accessory of switch is not as high as that of switch, but if the switch ports are full of optical modules, especially the original optical modules provided by equipment suppliers such as Cisco and Huawei, the total cost will be very high. Therefore, in order to reduce the total cost, many users will choose the third-party ...

• March 06. 2021

With the rapid development of the Internet of Things, big data and cloud computing technologies, the amount of transmission required for information interaction has shown explosive growth. Among them, semiconductor lasers are the basic components supporting the development of optical communications, and their mechanisms are constantly being optimized to meet the needs of modern communications. Com...

• February 26. 2021

2020 is the first year that 5G will be commercialized. At present, 25G optical modules have also been used in the construction of 5G signal base stations. Among them, 25G CWDM optical modules have a high market prospect in 5G fronthaul. Compared with other 25G optical modules, 25G CWDM optical module can save more fiber resources, thus effectively saving the total cost of operators. As early as 20...

• 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...

• 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...

• 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 ...

• 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 ...