The 4945A Transmission Impairment Measuring Set provides the complete set of measurements needed to quickly isolate faults and qualify circuits for voice, data or broadcast transmission up to 110kHz. All measurements are compatible with current Bell standards including the ability to test local distribution loops for Dataphone Digital Service (DDS) to 56 kbit/S.
Tests: Level/Frequency, Attenuation Distortion, Intermod Distortion, Gain Slope, Signal to Noise, P/AR, Phase Jitter, Amplitude Jitter, Phase and Gain Hits
