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28
2022
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09
According to the application field, what are the main categories of telephone optical transceivers?
A telephone optical transceiver is a device that converts traditional telephone signals into optical signals and transmits them on optical fibers. According to different classification methods, the telephone optical transceiver has different classification methods, and is divided according to the application field. What are the main types of telephone optical transceivers?
1. Telephone optical transceiver for monitoring: used to transmit video signals (such as video signals output by ordinary cameras), and at the same time can assist in the transmission of audio, control data, switching signals and Ethernet signals, mainly used in highways, urban traffic , community security and various areas that need to be monitored;
2. Radio and television telephone optical transceiver: used to transmit radio frequency signals, its terminal is not point-to-point transmission, it is directly branched in the optical path, and can be connected to multiple receivers by one transmitter, mainly used in the optical transmission field of cable television;
3. Telephone optical transceiver for telecommunication: each basic channel of the terminal is 2M, also commonly known as 2M terminal. Each 2M channel can transmit 30 telephone calls or network signals with 2M bandwidth. The use of the channel mainly depends on the supporting equipment connected to the optical transceiver. The supported protocol is the G.703 protocol, which is mainly used in the field of telecommunication optical communication with fixed bandwidth.
4. Telephone optical transceivers for electric power: Based on the different applications in these fields, the telephone optical transceivers used in radio, television and telecommunications are relatively fixed and have fewer varieties.
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