... FOWAY340 4-channel digital video optical converter is a small type, transmits 4 channels high quality video, 1channel reverse data ... the same platformSupply desktop and integrated card typeBased on large scale integrated circuitTransmission in single-fiber, dual-fiber is optionalFully ... 20/40/60/80/100/120Km Multi-mode 2KmVideoSignal type PAL/NTSC/SECAMNominal input/output lever 1Vp-pNominal input/ ...