News
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Changfei Optoelectronics and Shanxi Zhongcheng invite you to participate in the 2023 China International Public Security Products and IT Industry (Shanxi) Smart Security Exhibition
The 2023 China International Public Security Products and IT Industry (Shanxi) Smart Security Exhibition will be held from July 15th to 17th at the Taiyuan Jinyang Lake International Convention and Exhibition Center....Read more -
Changfei Optoelectronics | The 12th “Hundred Cities Conference” Shenzhen railway station in 2023 was successfully concluded! See you at the next stop in Jinan!
Hundred Cities Meeting - Shenzhen railway station successfully concluded On July 12, in order to better promote the transformation of the digital industry, and also ...Read more -
【Changfei Group Construction】Go the same way and fight a battle together!
Changfei Optoelectronics Group Construction The best way of life is to run along the ideal path with a group of like-minded people, look back with stories, look down with firm steps, and look up with clear directions. T...Read more -
What are the key points to pay attention to when installing RS485 interface network in engineering applications?
What is the concept of the RS485 interface first? In short, it is a standard for electrical characteristics, which is defined by the Telecommunications Industry Association and the Electronic Industries Alliance. The digital communication network using this standard can ...Read more -
CF FIBERLINK Industrial Switch Assists Chad Oilfield Information System Project
The Republic of Chad, or Chad, is a landlocked country in central Africa, with the capital and largest city of N'Djamena. Chad, one of the least developed countries identified by the United Nations, has become oil producers since 2003, but it has long relied on imports o...Read more -
CF FIBERLINK Optoelectronics | Warmly celebrate the 102nd anniversary of the founding of the CPC
The 2023 China (Wuhan) Social Public Safety Products Exhibition will be grandly opened at the Wuhan International Convention and Exhibition Center from July 3rd to 5th. Changfei Optoelectronics will showcase new technologies such a...Read more -
CF FIBERLINK Invitation Letter: 2023 China (Wuhan) Social Public Safety Products Exhibition
In July, Changfei Optoelectronics will launch new products such as cloud management switches and industrial grade management switches, which will be exhibited in Wuhan, Shenzhen, Shanxi, Vietnam, Chongqing, and other places. At the same time, our "old friends" Poe intell...Read more -
Changfei’s July exhibition is coming with excitement. We sincerely invite you to meet in Wuhan, Shenzhen, Shanxi, Vietnam, and Chongqing!
In July, Changfei Optoelectronics will launch new products such as cloud management switches and industrial grade management switches, which will be exhibited in Wuhan, Shenzhen, Shanxi, Vietnam, Chongqing, and other places. At the same time, our "old friends" Poe intell...Read more -
@Everyone, Changfei Optoelectronics will bring a cloud management machine to meet you at the 12th Century City Fair in 2023!
The difference between single mode and multimode fiber optic transceivers: Different transmission distances: Multimode transceivers can have a maximum transmission distance of 2 kilometers, whil...Read more -
Changfei Classroom: Differences between Single Mode and Multimode Fiber Optic Transceivers
Firstly, let's focus on: Core switches are not a type of switch, It is a switch placed on the core layer (network backbone). 1. What is a core switch Generally, large enterprise networks and internet cafes need to p...Read more -
Changfei Classroom: What is a Core Switch? What is the difference from a regular switch
Firstly, let's focus on: Core switches are not a type of switch, It is a switch placed on the core layer (network backbone). 1. What is a core switch Generally, large enterprise networks and internet cafes need to p...Read more -
CF FIBERLINK – Teach you a detailed understanding of POE power supply issues!
Many friends have repeatedly asked whether PoE's power supply is stable? What cable is good for PoE power supply? Why does the camera still not display when powered by a PoE switch? And so on, these are actually related to the power loss of POE power supply, which is eas...Read more
