Extended range fiber optic video transmitter is designed with 1 bi-directional 24-bit audio and 1 full duplex multi-protocol data. It supports Pelco video and Coaxitron PTZ camera control. It includes surface mount technology (SMT) for high reliability and repeatability. It enhanced by its compatibility with PC based SpectraSmart, network management and remote diagnostic software system. SpectraSmart supervises the operating parameters of the transmission system such as status on video levels, sync, carrier detect, voltage, temperature, optical levels, data present etc.