Product picture - Meridian Technologies DigiFlex DR-32D-SFP 32-Channel RS-232 Data Unidirectional System Receiver Card with SFP Connector Meridian, Technologies, DigiFlex, DR-32D-SFP, 32-Channel, RS-232, Data, Unidirectional, System, Receiver, Card, with, SFP, Connector Click the image to close this page