Product picture - Meridian Technologies DigiFlex DT-4V1A2F 2F-SFP 4-Channel NTSC PAL Video Multiplexer with 2-Channel Bidirectional RS-422 Data & 1-Channel Balanced Audio System Transmitter Card with SFP Connector Meridian, Technologies, DigiFlex, DT-4V1A2F, 2F-SFP, 4-Channel, NTSC, PAL, Video, Multiplexer, with, 2-Channel, Bidirectional, RS-422, Data, &, 1-Channel, Balanced, Audio, System, Transmitter, Card, with, SFP, Connector Click the image to close this page