• 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 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,...

• October 21. 2021

In this article, ETU-Link will explain to you what causes the high temperature of the optical module and how to solve it. Generally speaking, a brand-new optical module will not have any major problems during short-term use.     The optical module is a relatively sensitive optical device. When the operating temperature of the optical module is too high, it will cause problems s...

• August 17. 2021

Optical modules will go through strict testing and quality inspection procedures before shipment, such as material testing, parameter testing, aging testing, real machine testing, end-face testing, etc. The results of all test items must reach the standard level, otherwise the optical module will be returned to the production line to re-adjust. Understanding these tests will help you distinguish t...

• August 03. 2021

With the rapid development of the communication industry and data centers at home and abroad, the demand for optical modules has increased sharply. The production capacity of brand original optical modules is limited and the number is small, so the price is relatively expensive and the user's use cost is high. In view of this market phenomenon, many manufacturers of dual capacity optical modules h...

• May 22. 2021

Driven by the construction of 5G base stations, cloud computing, and large-scale data centers in recent years, the market size of optical modules has increased accordingly. Although the optical module industry is developing rapidly at this stage and gradually becoming mature, from the perspective of the entire industry chain, its upstream optical components and chips still rely heavily on for...

• May 15. 2021

Firewall is one of the most important network protection equipment, with very strong anti-attack immunity, it can play an important role in enterprise internal network security protection. Next, ETU-LINK will introduce the firewall equipment and optical module collocation plan to you. Firewall is a kind of equipment which is used for security management and screening for enterprise users, and help...

• January 14. 2021

As a photoelectric integrated product used to realize photoelectric conversion in optical fiber communications, optical modules are now widely used in data centers, fiber to the home, local area networks, base stations and other fields. In the process of using the optical module, it is inevitable that there will be abnormal usage. Next ETU-LINK will introduce several main reasons for the failure o...