... detection power, light signals, the video signal state. HOE8521 digital video optical transceiver is high performance, ... when using, no regulation Power, light signals, video, data state instructionsWith electric plug pulled out ( ... chain loss for 18 dBVideo parameters Video channels: 4-CH( All the configuration )Video bandwidth: 0-6.5 MHzDifferential ... chain loss: 18 dB 4 video optical transceiver