Product picture - Meridian Technologies DigiFlex DR-2V2A4C 2A4C-SFP 2-Channel Video Multiplexer, 2-Channel Bidirectional Balanced Audio, & 4-Channel Bidirectional Contact Closure System Receiver Card with SFP Connector Meridian, Technologies, DigiFlex, DR-2V2A4C, 2A4C-SFP, 2-Channel, Video, Multiplexer, 2-Channel, Bidirectional, Balanced, Audio, &, 4-Channel, Bidirectional, Contact, Closure, System, Receiver, Card, with, SFP, Connector Click the image to close this page