300 BPS DCM-1B Modem (260-1175) Specifications Faxback Doc. # 5831 COMPATIBILITY: RECEIVER SENSITIVITY: -45 dBm. MODEM: Bell 103. TRANSMIT LEVEL: -10 dBm, +/- 1 dB. DIALER: Manual TONE DIAL LEVEL: None DATA RATES: 300 bps. LINE IMPEDANCE: 600 Ohms SPEED SELECT: Automatic. RINGER EQUIVALENCE: 0.0 B CMD BUFFER: N/A MODULATION: SPEAKER: On 300 BAUD: Frequency Shift DATA FORMATS: 8 bit, no parity; 7 bit Keyed (FSK). even, odd, no parity. DIALING: None TESTING MODES: None (smm 08/04/93)