As a special type of network switch product, industrial Ethernet switch is mainly used in the field of industrial control, mainly in the industrial manufacturing, power, transportation, oil and other equipment control environment; in recent years, due to the rapid popularization and application of digital monitoring industry, industrial switch began to be rapidly popularized in the field of security, and the number of applications increased in a blowout way The development of security industry provides a strong source of power.

The annual output value of China's monitoring industry has reached 10 billion, and it is expanding rapidly with an annual growth rate of 25%. Since 2012, the IPC high-definition monitoring system based on network transmission has been widely used in various monitoring projects. The traditional analog transmission products have been largely updated to the network high-definition system. From the product sales statistics of the domestic security market in the first half of 2015, the analog transmission system has shrunk to less than 20%, showing a trend of rapid decline month by month. It is expected to be in 2106 After that, the market share of simulation products will drop to a negligible single digit

High definition digital monitoring products, the front-end is high-definition network camera (IPC), the transmission layer adopts Ethernet switch, the storage part NVR or storage server, the above three types of equipment constitute a complete link of all digital video monitoring system. Because of the unique characteristics of the security system, the installation environment of the front-end camera is the outdoor environment. As a video transmission switch product, it should also be able to withstand a wide range of temperature fluctuations, humidity changes, lightning impulse, electromagnetic interference and other adverse factors, so the industrial switch has become a necessary choice.

The design of industrial switch is different from that of traditional commercial switch. Its main features include:
1: Redundancy design of power supply. In order to prevent single power failure machine from working, industrial switches are generally designed with two groups of power supplies for mutual backup.
2: Ring network topology provides redundant paths for data transmission
3: Special industrial grade chip can adapt to the working environment of - 40 ℃ - 85 ℃
4: Able to pass strict vibration and impact test

Because of these characteristics, industrial switch will become the most important transmission equipment of security monitoring system. The market share accounts for 10-15% of the cost of security engineering equipment, and the market share will be billions every year, which will be the largest product growth point in the security market. For this reason, domestic and foreign industrial switch manufacturers have invested a lot of manpower and material resources to seize the market opportunity.

The traditional big brands of industrial switch are all foreign manufacturers, such as Hesman, Ruggedcom, Siemens, MOXA and other international brands. The products of these manufacturers are concentrated in industrial control and have absolute market share in power, industrial manufacturing and other control fields. However, due to the high price of products, the use of these products in the security industry is subject to the price factor and lack of competitiveness 。

After several years of development and growth, there have been several domestic brands with considerable strength, such as Chengdu Halley, Beijing kyland, Shanghai Bdcom, Shenzhen 3Onedata, Hotcom etc. The biggest advantage of domestic brand industrial switch products is due to the powerful electronic manufacturing products, and the cost performance is the biggest advantage. This is also in line with the market demand of the security industry, so with the increasing demand for industrial switches in the security industry, domestic industrial switch manufacturers are growing rapidly.

At present, the main international switch chip manufacturers, BCM, vitesses, Marvell in the United States, Reltek Ruiyu in Taiwan, IC +, etc., are making great efforts to layout the Chinese mainland market, which provides a good development advantage for the production of domestic industrial switches. According to the actual product sales statistics of the current security industry, the domestic switch brands of non managed low-end industrial switches have occupied half of the industry depending on the manufacturing cost advantage. From the current competition situation, the low-end market will soon be occupied by domestic brands. With the development of switch technology, domestic attractive market prospect, domestic brand industrial switch will soon become the mainstream of transmission products in security industry.

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