Product picture - Meridian Technologies DigiFlex DT-4V1C1F 1C1F-SFP 4-Channel 8-Bit, 7 MHz NTSC PAL Video, 1-Channel Bidirectional Contact Closure, and 1-Channel Bidirectional RS-422, Manchester, and Bi-Phase Data System Transmitter Card Meridian, Technologies, DigiFlex, DT-4V1C1F, 1C1F-SFP, 4-Channel, 8-Bit, 7, MHz, NTSC, PAL, Video, 1-Channel, Bidirectional, Contact, Closure, 1-Channel, Bidirectional, RS-422, Manchester, Bi-Phase, Data, System, Transmitter, Card Click the image to close this page