Abstract: The present invention provides a digital transmission control equipment which is capable of getting receiving clock pulses from digital signals with no synchronous signals and regenerating waveforms in a quite short time. The equipment comprises a waveform shaping section for shaping the voltage level and the waveform of coded digital signals received, a timing section including a delay element, an edge detecting circuit, an oscillator, a counter circuit and a reset pulse regenerating circuit, and a waveform regenerating section for regenerating coded digital signals output on the basis of the shaped digital signals.