• November 01. 2022

As networks grow in size, we are seeing a shift from the traditional three-layer network architecture to a flatter, wider Spine-Leaf architecture. Most modern e-commerce, social media and cloud applications use distributed computing to serve their customers.  Distributed computing means that servers speak to servers and work in parallel to create dynamic web pages and answer customer question...

• October 29. 2022

This blog ETU -LINK will take you to read what is WDM, before that we first to get to know why the WDM technology, it appears from the background of the Internet, development rapidly in a short few decades, so operators urgently needs a lot of network capacity to meet growing customer service requirements.   For network expansion, simply increase the transmission capacity linearly by increasi...

• September 18. 2021

As one of the cores of medium and long-distance optical communication, the optical module plays a role in photoelectric conversion. It is composed of optical devices, functional circuit boards, and optical interfaces. Today, ETU-LINK will introduce to you the components of the optical module—TOSA and ROSA. 1、TOSA TOSA is the main component of the optical transmitter module, whose main functio...

• September 03. 2021

In the establishment of a 10G network, we will face a choice, that is, whether we choose optical fiber cabling or copper cabling. Optical fiber cabling systems are divided into multi-mode（MM) optical fiber cabling systems and single-mode(SM) optical fiber cabling systems, among which 10G MM optical fiber cabling systems need to use 10G SFP+ MM optical modules, 10G AOC active optical...

• August 19. 2021

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...

• July 28. 2021

The requirements of office building network for service quality, function and security are much higher than those of ordinary residential users. In addition to accessing multiple computers, the office network also undertakes the data transmission tasks of various automation systems, such as monitoring, lighting, air conditioning, etc. Therefore, the office building network should have the characte...

• April 24. 2021

We all know that fiber optic patch cords are widely used equipment connection accessories in the field of optical communications. It can connect a variety of network equipment and devices with fiber interfaces, such as optical modules, adapter panels, distribution boxes, wavelength division multiplexers and solutions. Multiplexers, fiber optic transceivers, etc. Next, ETU-LINK will intro...

• March 12. 2021

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 ...

• January 27. 2021

With the rapid development of communication industry, optical modules are widely used in various optical interconnection scenarios. When we use the optical module, we need to ensure the efficient and stable operation of the optical module. But sometimes it will cause some problems due to the use of non-standard, so what do we need to do to avoid the problems caused by the non-standard use? The fol...

• September 19. 2019

After a optical module is made into a finished product, it must go through multiple steps of testing before shipment that ensure the quality of the product. In the test, several parameters are very important. Only when these parameters meet the relevant standards, the optical module performance can be optimized. These parameters include: transmitted optical ...