FBL series 8-channel video (audio/data/Ethernet/telephone/E1/switches value) digital optical transceiver FBL series 8-channel video (audio/data/Ethernet/telephone/E1/switches value) digital optical transceiver has take the best full-digital video, non-compression technology in the world, it has transmit 8-channel video at the same time through a single fiber ,it could transmit digital signals of multi-channel audio/data/Ethernet/switches and etc ,and could also support the real-color, hi-fi (surveillance), full template, motive/static picture, real-time and long distance transmit the data with best and high quality.