Product picture - Meridian Technologies DigiFlex DT-4V1A2D-SFP 4-Channel Uni-Directional Video, 1-Channel Audio, & 2-Channel RS-232D Data Transmitter Card with SFP Connector Meridian, Technologies, DigiFlex, DT-4V1A2D-SFP, 4-Channel, Uni-Directional, Video, 1-Channel, Audio, &, 2-Channel, RS-232D, Data, Transmitter, Card, with, SFP, Connector Click the image to close this page