• 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...

• 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...

• 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....

• January 06. 2021

40G QSFP+ SR4 optical module and 40G QSFP+ AOC active optical cable are widely used in short distance interconnection of 40G data center. Since both of them can realize short distance interconnection, what is the difference between them and what are their advantages and disadvantages? ETU-LINK will tell you the answer. 40G QSFP+ SR4 optical module VS 40G QSFP+ AOC active optical cable 1. Different...

• January 12. 2021

H3C S9820 switch supports high-density 100GE/40GE/25GE/10GE ports. It has strong forwarding capability and flexible sub card configuration. It can support 32 400GE ports or 100GE ports. It has high port density and strong forwarding ability. It can meet the networking requirements of high-density servers in high-end data center without convergence access. At the same time, all physical ports suppo...

• January 23. 2021

With the increasing demand of network throughput and bandwidth, the demand of 40G high-speed optical module also increases. At present, the common 40G optical modules on the market include 40G QSFP+ SR4, 40G QSFP+ LR4 and 40G QSFP+ ER4. Since the transmission distance of the above optical modules cannot fully cover the transmission distance requirements of the data center, the 40GBASE-SR4 optical ...

• 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...

• April 07. 2021

As a switch brand equipment manufacturer, HP's equipment supports a variety of optical modules with different specifications. Users can choose the appropriate optical module according to their needs. Common optical modules are 100G QSFP28, 40G QSFP+, 25G SFP28, 10G SFP+ and 1.25G SFP etc. Below, ETU-LINK will give you a list of some commonly used HP optical module models. HP 1.25G SFP dual fiber s...