Product picture - Meridian Technologies DigiFlex DR-1V4F 4F-SFP 4-Channel Bi-Directional RS-422, Manchester, Bi-Phase Data, 1-Channel 8-Bit 7 MHz NTSC PAL Video System Receiver Card with SFP Connector Meridian, Technologies, DigiFlex, DR-1V4F, 4F-SFP, 4-Channel, Bi-Directional, RS-422, Manchester, Bi-Phase, Data, 1-Channel, 8-Bit, 7, MHz, NTSC, PAL, Video, System, Receiver, Card, with, SFP, Connector Click the image to close this page