• December 25. 2021

In recent years, in order to cope with the rapid development of ultra-high-definition video, cloud storage, cloud computing and other businesses, the world's major IT giants and telecom operators are actively building large 40G or even 100G data centers. Under this trend, the traditional 10G Ethernet obviously cannot adapt to the high bandwidth requirements of data centers. ETU-Link for you to int...

• December 21. 2021

Driven by the demand for high broadband from cloud data centers, artificial intelligence, and the Internet of Things, the penetration rate of 100G networks is getting higher and higher, and the demand for 100G high-speed optical modules is also increasing rapidly. Next, ETU-LINK will introduce the application of 100G QSFP28 optical module in the data center. The network structure in the data cente...

• December 11. 2021

The SFP-GE-SX-MM850 optical module is a gigabit multimode optical module with a transmission rate of 1.25G. Its package type is hot-swappable SFP with a center wavelength of 850nm. It is used with multimode OM2(LC/PC-LC/PC) patch cord when the transmission distance up to 550m, can also be used with multi-mode OM1(LC/PC-LC/PC) patch cord up to the  transmission distance of 275m....

• December 08. 2021

In recent years, cloud computing and big data have become an upsurge in our country. In order to provide sufficient bandwidth, many access switches have developed to core switches that can connect to 40G Ethernet. The rapid development of interconnected data transmission is inseparable from the 40G optical module, because it can provide enough bandwidth to ensure that data conversion is unimp...

• December 02. 2021

In the 1990s and early 2000s, network cards were generally used in computers, and they were slowly used in servers and workstations until later. During this period, due to the maturity of wireless technology and the popularization of wireless networks, wireless network cards were gradually widely used on computers. However, due to the reliability of the connection, the wired network card...

• November 27. 2021

In this blog, ETU-Link will introduce what the fiber optic adapter is. And common types of fiber optic adapters.     Fiber optic adapters, also called flanges, are components that connect fiber-to-fiber or fiber-to-device. They are widely used in telecommunication networks, cable television networks, subscriber loop systems, and optical fiber link connections in regional networks. T...

• November 26. 2021

In this blog, ETU-LINK will introduce how to query the information of optical module on Cisco switch. First, we need to connect to the network, and then log on to the management platform of Cisco switch. The user name and password are Cisco / Cisco by default. In the second step, in the privileged exec mode of the switch, enter the following command to display the fiber optic media converter: Show...

• November 23. 2021

The QSFP-40/100-SRBD is a dual-rate bidirectional (BiDi) optical module. It features 40G and 100G transmission rates and dual-fiber LC interface type. It can easily help customers upgrade from 10G to 40G/100G networks using existing 10G network duplex multimode fiber architecture. In the following, ETU-LINK will introduce the relevant parameters of the QSFP-40/100-SRBD optical module and the ...

• November 19. 2021

In today's Internet era, both enterprise network deployment and data center construction are inseparable from optical transceivers and switches. Optical transceivers are mainly used to convert electrical and optical signals, while switches are used to forward photoelectric signals. Among many optical transceivers, the SFP+ optical transceiver is one of the most widely used optical transceivers. Wh...

• November 17. 2021

Optical fiber media converter is also known as optical-to-electrical converter, its function as converting the optical and electrical signal. The transmission process is roughly: the electrical signals are converted into optical signals, transmitted through optical fibers, and then the optical signals are converted into electrical signals at the other end, and then connected to routers, switches a...

• November 13. 2021

In this article, ETU-LINK will introduce how to connect servers to Huawei CE5800 switches and related networking methods. First of all, before connecting the server to the switch, the server network card needs to be installed on the server. At present, the interface type of the network card of the server is CPIE. Generally, the transmission rate supported by the network card of the server is 1G/10...

• November 11. 2021

When we use the optical module, sometimes improper use will lead to abnormal operation of the optical module, so in this case, how should we solve it? Today, ETU-LINK will tell you an answer. When the optical power of the optical module is too high or too low, how to diagnose the causes and the corresponding solutions.   Taking Huawei switch as an example, when the optical power alarm occurs,...