The communication power supply is one of the infrastructures in the entire communication network. It is a system specially used by communication enterprises to provide power energy support for communication equipment. The overall performance and efficiency of the communication power supply technology will affect the quality and health of the entire communication network system to a certain extent, and may even lead to the paralysis of the communication network system.
The communication power supply system not only includes the integrated protection system, but also includes the DC power supply system and the AC power supply system. No matter which link fails, it will have a certain impact on the stable operation of the entire communication system. As a key part to ensure the security, stability, reliability and high efficiency of the entire communication system, the communication power supply and its technology have gradually attracted more attention, and the efficiency of the communication power supply equipment in providing power energy is also constantly improving.
With the continuous innovation and development of science and technology, more and more high-power and high-frequency electrical equipment have appeared in the communication industry. These devices require high-performance communication power supply support to operate stably, so the performance and technical requirements for communication power supply are also getting higher and higher. In the future, with the continuous development of new technologies such as the Internet of Things and 5G, the application scenarios and needs of communication power supplies will continue to expand and change, and continuous technical upgrades and innovations are needed to adapt to new application needs and technical requirements.
Reasons for using 48V for communication power supply
Safety considerations: 48V is slightly higher than the safety voltage of 36V, which can reduce the risk of leakage and electric shock. At the same time, the line voltage drop of the 48V power supply system is smaller, which can ensure a longer communication distance for city calls.
Historical inheritance: Most early communication equipment such as telephones were powered by 48V voltage, so the 48V power supply system became a traditional power supply method. The power supply used by the early telecommunications bureau was the original lead-acid battery, whose voltage was a multiple of the basic (single battery) voltage, and 48V was a multiple of 1.2 volts, so the 48V power supply system was widely used at the time.
Equipment life: The power consumption of about 48V has a great continuity on the life of equipment components and can extend the service life of the equipment.
Electromagnetic compatibility: Using negative voltage can avoid electrons gathering on communication equipment and reduce the chance of burning equipment. At the same time, negative voltage is also beneficial to electromagnetic compatibility and can avoid magnetic interference.
There are a lot of negative charges in the air: According to electrochemical knowledge, positive grounding can absorb negative ions in the air and protect the shell of telecommunications equipment from rust.
Mature technology: 48V power supply technology is mature, highly reliable, and is constantly undergoing technical improvements and upgrades to meet new communication needs and technical requirements.
Advantages of using 48V power supply for communication power supply
Higher efficiency and reliability: Compared with other forms of power supply, 48V power supply has higher efficiency and reliability. Since the 48V power supply has higher energy transmission efficiency, it can reduce energy waste and heat dissipation problems, and improve the reliability and stability of equipment.
Better safety performance: Compared with high-voltage AC power, the voltage of 48V power supply is lower, which is more secure for personal safety. At the same time, the line voltage drop of the 48V power supply system is small, which can ensure a longer communication distance for urban calls and reduce the risk of leakage and electric shock.
Wider application range: 48V power supply is widely used in the communication industry, including switches, routers, servers and other equipment that need to use 48V power supply. At the same time, with the development of emerging technologies such as data centers and cloud computing, the application range of 48V power supply is also expanding.
Mature technology and reliability: 48V power supply technology is mature, highly reliable, and is constantly undergoing technical improvements and upgrades to meet new communication needs and technical requirements. In addition, due to the wide application of 48V power supply system, the relevant maintenance and operation personnel are more familiar with this power supply system, which can ensure the stable operation of the system.
Summary
The use of 48V power supply for communication power supply is the comprehensive result of many factors. In practical applications, the 48V power supply method has high safety and reliability, and can also meet the needs of various communication equipment. With the continuous advancement of technology and the continuous changes in application needs, the power supply method of communication power supply may also change in the future.
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