Optical fiber CATV system includes opticaltransmitter, optical receiver, optical fiber, and essential optical path devices, such as optical splitter, optical connector etc.
光纤CATV传输系统包括光发射机、接收机、纤和必要的光通路器件（光分路器、纤连接器）。
2
OpticalTransmitter by the light source, and the modulator driver components.
光发射机是由光源、驱动器和调制器组成。
3
The opticaltransmitter module communicates with the computer and receives the control signal from the workstation in the shore to control and monitor undersea photoelectricity module.