Receiver transmits real time video signals over one multi-mode fiber. It is applicable in security and surveillance and distance learning. PAL, SECAM or NTSC formats, in B and W or color, are seamlessly transmitted distances of up to 8km. It requires no user adjustments and features superior quality and performance. Its capabilities are enhanced by compatibility with PC based SpectraSmart network management and diagnostic software system. SpectraSmart supervises the operating parameters of the transmission system such as status on video levels, sync, voltage, temperature, optical levels, etc.