The NCU-REL module is designed for use only in conjunction with the NCU module for controlling the notification lines RMLT.465275.034. When connected to the NCU module for controlling the notification lines, the NCU-REL module switches the notification lines to provide the function of controlling their parameters, which are part of the communication systems manufactured by Armtel LLC, Russia.
NCU-REL module is controlled by commands from NCU.
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