News
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What is a VLAN? How should VLANs be divided?
A friend mentioned how to partition vlans, but in fact, partitioning vlans is essential in network technology applications. Many networks require vlan partitioning. Today, let's learn about this aspect together. Definition of VLAN: VLAN is the abbreviation of Virtual Loc...Read more -
Four connection methods for POE switches
Many friends who work in security monitoring and wireless coverage engineering have a good understanding of POE power supply and recognize the benefits of PoE power supply. However, in actual engineering wiring, they found that PoE deployment has many limitations, such a...Read more -
SECUREX SOUTH AFRICA 2023
-INVITATION- Dear customer: The SECUREX SOUTH AFRICA 2023 exhibition will be held from Tuesday 6 to Thursday 8 June 2023 at South Africa Johannesburg Security Exhibition .CF FIBERLINK will display industrial inte...Read more -
Changfei takes you to understand fiber optic transceivers
The main function of fiber optic connectors is to quickly connect two fibers, allowing optical signals to be continuous and form optical paths. Fiber optic connectors are movable, reusable, and currently essential passive components with the highest usage in optical comm...Read more -
【 Changfei 】 Awarded the ‘High tech Enterprise Certificate’ to showcase the brand’s hard power
Recently, Changfei Optoelectronics received the "High tech Enterprise Certificate" jointly issued by the Guangdong Provincial Department of Science and Technology, the Guangdong Provincial Department of Finance, the State Administration of Taxation, and the Guangdong Pro...Read more -
Port type of the switch
Switches are divided into: two-layer switches, three-layer switches: The ports of the two-layer switch are further divided into: Switch Port Trunk Port L2 Aggregateport The three-layer switch is further divided into the following: (1) Switch Virtual Interface (SVI) (2) R...Read more -
Ministry of Public Security: Nearly 300000 intelligent security communities have been built nationwide
The construction of a social security prevention and control system is a fundamental project for the construction of a higher level of safe China. Since last year, the Ministry of Public Security has deployed the national public se...Read more -
Strength Witness | Warmly congratulate Changfei Optoelectronics on being awarded the “Top 10 Video Surveillance Brands in China’s Security”
Here comes the good news Top Ten Brands Changfei won the top ten video surveillance brands in China's security industry Yesterday, Changfei Optoele...Read more -
Changfei Express | Mr. Shahnewaz, Chairman of the Bangladesh Computer Association, Visits Our Company to Explore New Opportunities for Industry Development
On May 14th, Mr. Shahnewaz, the Chairman of the Bangladesh Computer Association, and the leaders of the association visited and guided the work, and held a symposium to discuss the new opportunities for the development of the security industry market. Received a warm re...Read more -
Heavy! YOFC signed a strategic cooperation agreement with a Vietnamese purchasing group; speed up “going overseas”, YOFC’s light in Southeast Asia!
YOFC and Vietnam purchasing group strong alliance Sign a strategic cooperation agreement! On the morning of April 18, Huizhou Changfei Optoelectronics Co., Ltd. and the Vietnamese purchasing group signed a strategic cooperation agreement at the YOFC headquarters. Ruan Banliang, general manager of...Read more -
Gigabit 2 optical 4 electrical industrial grade switch
The CF-HY2004GV-SFP switch is a new generation of weakly three-layer network managed industrial switch independently developed by CF FIBERLINK. Suitable for large-scale projects such as power grids, chemicals, and petroleum. Its biggest advantages are high sensitivity, self-healing, and fast conv...Read more -
Application example of industrial Ethernet switch in power industry (I)
Intelligent substation monitoring system/power station distributed control system 1、 Intelligent substation monitoring system The intelligent substation online monitoring system realizes information sharing platformization, system framework networking, equipment status visualization, monitoring ...Read more
