... , PCM30, PCM30CRC, PCM31, PCM31CRCReceive Sensitivity> -43dB Tx Clock SourceInternal, Interface and External 2MHz clock or signal Pulse Mask MeasurementComply with ... BalancedLine CodeAMIDatacomLine InterfacesV.24, V.35, V.36, X.21, RS-449, RS-485, EIA-530, EIA-530AData RateASYNC300, 600bit/s, 1.2 ... 2 pcs4. 120Ωtesting cable 1 pc5. RS232 Serial Interface Cable 1 pc6. USB to Serial Adapter 1 pc7. Smart ...