Product picture - Meridian Technologies DigiFlex DT-4V1K 1K-SFP 4-Channel Video Multiplexer with 1-Channel Full Duplex RS-485 Data System Transmitter Card with SFP Connector Meridian, Technologies, DigiFlex, DT-4V1K, 1K-SFP, 4-Channel, Video, Multiplexer, with, 1-Channel, Full, Duplex, RS-485, Data, System, Transmitter, Card, with, SFP, Connector Click the image to close this page