• September 14. 2021

In this article, ETU-LINK will introduce to you, what is the difference between active optical cable(AOC) and direct attach cable(DAC)? First, the AOC is composed of integrated optoelectronic devices. The signal transmission process is that the A terminal module converts the electrical signal into an optical signal, the optical signal is transmitted to the B terminal module by an optical fiber pat...

• September 30. 2021

In this article, ETU-LINK will introduce the application of optical modules in the data center computer room. As we all know, the construction of the data center computer room is a system project. It consists of the following parts: the host room (including network switches, server group, storage, data input, output wiring, communication area and network monitoring terminal, etc.), basic work...

• October 14. 2021

In this article, ETU-LINK will take everyone into the optical fiber cabling system, which is simply the transmission network in buildings and complexes. The integrated wiring system is a digital infrastructure built by intelligent offices, which can support integrated applications such as voice, data, graphics, and multimedia. The integrated optical fiber wiring system is divided into the followin...

• November 03. 2021

Cisco 550X series switches are mainly used for the establishment of 10G network for small and medium-sized enterprises. ETU-Link will introduce the optical module solution of Cisco 550X series switches.   Cisco 550X is configured with Ethernet SFP+ slot, which can support 10 Gigabit and Gigabit network transmission rates. The SFP+ slot can select the optical module with the corresponding...

• 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 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...

• 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...

• March 02. 2022

In this blog, ETU-LINK will introduce the flame retardant grades of optical cables. The flame retardant grades of optical cables can be divided into three types, OFN, OFNR and OFNP. Before talking about flame retardant grades, you can first understand LSZH (low smoke halogen free). As early as the mid-1980s, halogen (especially brominated) flame retardant polymer systems were widely used because o...