What kind of device is the IDM-Video Phone video telephone optical multiplexer, and what services can it transmit?

The IDM-Video Phone video telephone optical multiplexer is a multi-service optical multiplexer developed by Beijing Ruiguang Jiyuan Digital Technology Co., Ltd. It combines four types of services, namely video, telephone, data and Ethernet, into the same pair of optical fiber channels, so that transmission tasks that previously required multiple single-function devices can be carried over one device and a single optical fiber. The device provides bidirectional single-channel video, 2 telephone channels and 2 data channels, and can be optionally equipped with 2 Ethernet channels and 2 high-fidelity audio channels. It adopts all-digital uncompressed transmission for video, with video quality reaching the broadcast-grade standard and audio quality reaching the CD-grade standard, and is suitable for optical fiber CCTV network systems, traffic monitoring, industrial monitoring, building monitoring, video conferencing and distance learning.