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...
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...
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 ...
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 ...
With the increasing demand of data center for bandwidth, the network rate is developing towards a higher rate, and there is bound to be the need for network upgrading. There are two upgrade paths for the network from 10G to 100G, namely 10G-25G-100G and 10G-40G-100G. End users seem to prefer 25G. Why? ETU-LINK will tell you. All this can be said from the rise of 25 Ethernet. Data center TOR...
Before explaining the difference between the copper module and optical module, ETU-LINK takes you to know what the copper module and the optical module are. In fact, the copper module is a module that converts the optical port into the electrical port. Its function is to convert the optical signal into the electrical signal. Its interface type is RJ45. The copper module has the charact...
SFP, SFP+, SFP28, QSFP+ and QSFP28 are the packaging types of optical modules. These hot-swappable optical modules can be used to connect network switches and other network devices (such as servers, etc.) for data transmission. Before clarifying the difference between these package types, you need to understand what the SFP, SFP+, SFP28, QSFP and QSFP28 packages are. Next ETU-LINK w...
Since 2019, 400G has become a hot topic in the optical communications industry. Several leading optical module manufacturers in the world have launched their own 400G optical modules and most of them have adopted QSFP-DD packages. As early as March 21, 2016, the QSFP-DD MSA team began to plan to develop the QSFP-DD high-speed interface, and experienced the resolution of a series of issues suc...
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