The ELXO113M is a compact transmitter capable of modulating a video signal transmitted over an optical fiber and to receive a data signal on an other optical fiber. The system supports several types of data reception interface adapts well to most uses. the use of this stand-alone module needs no adjustment during installation, there are also reports that allow to verify the proper operation of the system: a yellow LED verifies the power of the device, a green LED verifies the presence of video sync signal, a green LED indicates the flow of data in transmission.