Product picture - Meridian Technologies DigiFlex DR-24D-SFP 24-Channel RS-232 Data Unidirectional System Receiver Card with SFP Connector Meridian, Technologies, DigiFlex, DR-24D-SFP, 24-Channel, RS-232, Data, Unidirectional, System, Receiver, Card, with, SFP, Connector Click the image to close this page