Product picture - Meridian Technologies DigiFlex DR-8F-SFP 8-Channel RS-422 Data Unidirectional System Receiver Card with SFP Connector Meridian, Technologies, DigiFlex, DR-8F-SFP, 8-Channel, RS-422, Data, Unidirectional, System, Receiver, Card, with, SFP, Connector Click the image to close this page