... - 2M testing -Datacom testing(V.24, V.35, X.21...) -G.703 CO testing Transmission Analyzer, 2M BERT ... BER testing2) Datacom testingDatacom (V.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530 ... range :-60.00dBm to +3.14dBm, -60.00dBm to -21.00dBm, accuracy: ±2.87dBm-20.00dBm to +3.14dBm ... 100ppmLine Interface120Ω, BalancedLine CodeAMIDatacomLine InterfacesV.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530, EIA ...