The high-definition simultaneous broadcasting program YUK502 of Ji’an TV station transmits DVI, Audio, RS232 signals through a single-core single-mode optical fiber and is compatible with VGA signals, and only needs to be connected to an adapter. Transmitter: one DVI, audio and data input, optical output. Receiver: optical input, one DVI, audio, and data output. The transmission distance is 1 meter to 20 kilometers. At the same time, optical transceiver transmission has the advantages of low attenuation, bandwidth, strong anti-interference performance, high safety performance, small size, light weight, etc.