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  • ChangFei hot selling PoE switch, Economical, stable, good performance

    16+2+1 full Gigabit PoE switch Desktop (rack-mountable) CF-PGE2116NL 16+2+1 full gigabit PoE switch is an 18-port full gigabit unmanaged PoE switch designed for millions of high-definition network monitoring, network engineering and other security monitoring systems. Provides seamless data connec...
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  • About fiber optic transceivers,How much do you know?

    Optical fiber transceivers are important equipment that we commonly use to convert electrical signals into optical signals and convert them, also known as photoelectric converters, which are used in various ultra-long-distance or places with special requirements for transmission speed. The follo...
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  • ChangFei industrial switch from function to performance, bright spots, surprises!

    Industrial switches are a small piece of automation, a narrow field that few vendors focused on ten years ago. As automation gradually matures and rises with the extensive use of industrial Ethernet and the establishment of large-scale industrial control networks, industrial-grade switches are di...
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  • Advantages of Industrial Switches

    Anyone who has worked in the industrial field will know that industrial switches are called industrial Ethernet switches. Industrial Ethernet switches are what we often call industrial switches. Industrial switches are industrial switches specially designed to meet the needs of flexible and chang...
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  • The difference between industrial Ethernet switches and commercial switches

    Industrial switches are also called industrial Ethernet switches. It is specially designed to meet the needs of flexible and changeable industrial applications, and provides a cost-effective industrial Ethernet communication solution. Its networking mode is more focused on loop design. Industrial...
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  • How to choose and configure PoE switch in network monitoring system

    1. Main considerations for PoE switch selection 1. Select a standard PoE switch In the previous PoE column, we mentioned that the standard PoE power supply switch can automatically detect whether the terminal in the network is a PD device that supports PoE power supply. The non-standard PoE produ...
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  • How to choose the switch correctly in the monitoring project?

    Recently, a friend was asking, how many network surveillance cameras can a switch drive? How many gigabit switches can be connected to 2 million network cameras? 24 network heads, can I use a 24-port 100M switch? such a problem. Today, let’s take a look at the relationship between the numbe...
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  • How to use transceiver in optical fiber

    Optical fiber transceivers can easily integrate copper-based cabling systems into fiber optic cabling systems, with strong flexibility and high cost performance. Typically, they can convert electrical signals into optical signals (and vice versa) to extend transmission distances. So, how to use f...
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  • Teach you to learn more about POE power supply!

    Many friends have asked many times whether the poe power supply is stable? What is the best cable for poe power supply? Why use the poe switch to power the camera still no display? and so on, in fact, these are related to the power loss of the POE power supply, which is easy to ignore in the proj...
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  • Do you know how many watts the power of the surveillance camera is calculated?

    To answer a question many people have asked today: How many W DC 12V2A power supply is the power of surveillance camera, how to calculate? Regarding this question, the answers given by different professionals are not the same. Generally, there are the following answers: ①24W, the power of general...
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  • How to achieve tens of kilometers of ultra-long distance transmission? By two small boxes? Quickly collect knowledge points!

    When it comes to long-distance transmission, considering the cost, the old driver will first think of two things: fiber optic transceivers and bridges. With fiber optics, use transceivers. If there is no optical fiber, it depends on whether the actual environment can connect to the bridge. More t...
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  • Six common faults of optical fiber transceivers, Xiaobian will teach you to solve them in three minutes

    Optical fiber transceiver is an Ethernet transmission media conversion unit that interchanges short-distance twisted-pair electrical signals and long-distance optical signals. It is also called a fiber converter in many places. Optical fiber transceivers are generally used in actual network envir...
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