The application of optical fiber patch cord is more and more widely, and it is often used in communication room, local area network, cable TV, light into the home and other system networks, but it is relatively fragile, so we need to be extra careful when wiring. So how should the optical fiber patch cord be connected? And what are the precautions in the use process? Optical fiber patc...
In this blog, ETU-LINK will introduce the selection and connection scheme of lower access layer switch and aggregation layer switch. In the three-tier architecture, the role of the access layer is mainly to connect end users to the network. The access layer switch is the equipment of the switching layer. Because the access layer switch needs to connect more end users, the price of the access layer...
In this article, ETU-Link will introduce the connection between the server and the switch and the construction scheme of the campus network. Speaking of the server, in fact, it is a little similar to the computer we use in daily life, which is the equipment to provide computing services. The composition of the server includes processor, hard disk, memory, system bus, etc. As the server needs to re...
NAS storage network is a solution to meet the low-cost storage needs of small and medium-sized enterprises. Among them, NAS storage refers to network-attached storage, which is a device for storing data. It takes data as the center, completely separates storage devices and servers, and centrally manages data, thereby freeing up bandwidth, improving performance, reducing total cost of ownership, an...
Fiber patch cords are widely used in the field of optical communications and optoelectronics. Insertion loss and return loss are two important indicators of fiber patch cords. Insertion loss will weaken the optical power in the optical link and reduce receiving sensitivity, while return loss will change the spectral width of the laser diode of the light source, introduce noise to the sys...
In this article, ETU-LINK will explain several problems that may occur after the optical fiber test is passed and the corresponding detailed analysis. (1) Why does the optical fiber test pass, but the packet is still lost when the network is running? In the standard selection, many users will make some obvious mistakes, such as not paying attention to whether the tested fiber is 50/125μm (OM2, OM3...
Optical modules can be classified into single-fiber and dual-fiber according to the number of interfaces. Dual-fiber optical modules have two optical fiber interfaces, and single-fiber optical modules have only one optical fiber interface. In addition to the difference in optical fiber interfaces, the use of the two is also different. Therefore, ETU-LINK will introduce the precautions for the use ...
With the gradual improvement of living standards, the concept of networked and intelligent buildings is no longer unfamiliar to everyone. In intelligent buildings, we can not only exchange data information quickly, control lights and adjust air conditioning through the network system, but also build intelligent scenes such as network monitoring systems and intelligent parking systems. In order to ...
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