The output value of China's coal, steel, cement, textile and power industries have reached the forefront of the world, but their energy consumption is also among the "most" in the world. The energy consumption of its output is 3-5 times that of other advanced countries. To change this situation, one of the most effective ways is to use electronic computer security monitoring and control systems. Not only can it reduce the energy consumption of production, but also enable products to achieve the goals of high quality, high output and high efficiency.
With the development of computer technology, the informatization and intelligent technology has been continuously improved, mainly including fire alarm, online monitoring, security monitoring, access control management, intelligent key cabinet, intelligent management and control PDA and other major aspects. In order to better and more conveniently manage the internal work of the enterprise, the enterprise breaks the disconnected situation and realizes the digital centralized supervision of the overall business within the enterprise. Through the construction of intelligent information network, it can comprehensively improve the integrated and unified management of fire protection, safety and information transmission of enterprises, and can provide remote supervision services for higher management. In some large-scale enterprises, optical fiber is directly used as the transmission medium to establish the backbone network during network construction, and the transmission medium of the internal LAN is generally copper wire, so that the LAN is connected to the optical fiber backbone network. In places where the Ethernet cable cannot cover, the information transmission distance can be extended through the network optical fiber transceiver, and the twisted pair electrical signal and the optical signal are converted between each other to ensure the smooth transmission of data packets between the two networks. The transmission distance limit extends from 100 meters of copper wire to 100 kilometers (single-mode fiber).
The extension of the transmission distance through the coverage of optical fibers makes it easier for staff to browse the internal conditions of the enterprise and make preparations for unexpected situations in a timely manner. â‘ For example, the fire alarm system: the patrol officer finds a fire and presses the alarm button near the fire site or the flame control detector detects the fire and sends an alarm message to the fire warning host. Information such as time, location, and alarm source are displayed on the screen. â‘¡ Real-time online monitoring system for oil and gas: the gas concentration information detected by the gas detector reaches the gas alarm controller to realize the online monitoring function for oil and gas. When the gas concentration reaches the alarm value, the gas alarm controller sends out an audible and visual alarm signal, and at the same time transmits the alarm information to the monitoring center, so as to attract the attention of duty personnel and take timely measures. In addition, the alarm controller can control the fan to exhaust the air and cut off the valve through the actuator.
Intelligent information supervision connects the subsystems of different functions physically, logically and functionally to achieve information synthesis and resource sharing to achieve interconnection and interoperability between subsystems.
With the rapid development of informatization, people's demand for multimedia communications such as data, voice, and images is increasingly strong. Therefore, the Ethernet broadband access method has been mentioned as an increasingly important position. However, the traditional Category 5 cable can only transmit Ethernet electrical signals for 100 meters, and it can no longer meet the needs of the actual network environment in terms of transmission distance and coverage. Optical fiber communication has been widely used for its advantages of large information capacity, good confidentiality, light weight, small size, no relay, and long transmission distance. The optical fiber transceiver uses the optical fiber, a high-speed propagation medium, to solve it. The problem of Ethernet transmission.
Fiber Optic Transceiver Application Solution 
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