The ELTO 130M is a compact transmitter capable of modulating a data signal transmitted over an optical fiber. The data transmission system supports different types of interface thus adapting to the most uses. the use of this form alone does not need any adjustment in the installation phase, there are also reports that allow to verify the proper operation of the system: a yellow LED verifies the device’s power, A green LED indicates the flow of data transmission and finally a red LED determines the alarm condition power.