With the increasing security requirements of the society, the monitoring optical transceiver has been widely used in the monitoring system of various industries such as intelligent community, mine monitoring, urban security, banking networking, road traffic bayonet, electronic police and highway tolls. . It guarantees the real-time transmission and security of the transmission, and has a large transmission capacity. It not only transmits video, but also transmits audio, data, telephone and Ethernet at the same time, which is highly respected by people.
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1. Monitoring the medium and its characteristics transmitted by the optical transceiver
The medium that monitors the transmission of the optical transceiver is optical fiber. Then why should we choose to transmit it through the optical fiber? The main component of the optical fiber is silicon dioxide (SiO2), which accounts for a large proportion of the earth's minerals. It can be extracted from stones and sand. An optical fiber composed of silicon dioxide (SiO2) is brittle as a glass and is fine as a hair. From its internal composition, the optical fiber is divided into single mode fiber and multimode fiber. The core diameter of the single mode fiber is 9m, and the core diameter of the multimode fiber can be divided into 50m and 62.5m. Due to the composition of the optical fiber, it has the characteristics of long transmission distance, non-conduction, strong anti-interference ability, good confidentiality, etc. In the long-distance transmission, it is usually the first choice of the majority of engineering companies.
Second, the debugging and testing equipment required in the optical fiber transmission system
1, optical fusion machine
It mainly uses the electrode to fuse the optical fiber and the optical jumper together in the case of instantaneous discharge. When welding, it should be noted that the end face of the fiber should be cut neatly and keep the end face clean.
2, OTDR optical time domain reflectometer
This is a test instrument that mainly detects whether or not a fiber breaks during fiber transmission.
3. Optical power meter literally, it is an instrument for measuring power, but it measures not the voltage power, but the power of the light in the fiber transmission, and the attenuation of the light during transmission.
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