... 4.can be customized 5.16 channel video balun digital video ethernet converter Functional digital optic video transceiverFeatures > Video, audio, data, contact closure, Ethernet ... less broadcast quality transmission.> Automatic compatible with PAL/NTSC/SECAM video formats.> Protocols of RS-232, RS422, RS-485 are ... Design Product Pictures: Factory Review: Certificates: digital 16 channel video balun