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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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
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...Read more -
The difference between industrial switches and ordinary switches
Industrial switches are more and more widely used in the digital communication industry. So, what is the difference between an industrial-grade switch and an ordinary switch? In fact, in terms of performance, there is not much difference between industrial switches and ordinary switches. From the...Read more -
What is a fiber optic network card? How does it work?
What is a fiber optic network card? How does it work? A fiber optic NIC is a network adapter or network interface card (NIC) that primarily connects devices such as computers and servers to a data network. Usually the backplane of the optical fiber network card has one or more ports, which can be...Read more