1200 BPS Internal Modem (250-3510) Specifications Faxback Doc. # 4769 COMPATIBILITY: RECEIVER SENSITIVITY: -45 dBm MODEM: Bell 212A-1200/300 bps TRANSMIT LEVEL: -10 dBm Bell 103/113-300 bps TONE DIAL LEVEL: 0 dBm DIALER: "AT" Command set LINE IMPEDANCE: 600 Ohms DATA RATES: 1200 bps RINGER EQUIVALENCE: 0.4 B SPEED SELECT: Automatic MODULATION: CMD BUFFER: 40 Characters 300 BAUD: Frequency Shift SPEAKER: On Keyed (FSK) DATA FORMATS: 8 bit, no parity; 7 1200 BAUD: Differential Phase bit even, odd, mark Shift Keyed (DPSK) or space parity. DIALING: Pulse (10pps) TESTING MODES: Analog (local) loopback; Tone (including * remote digital loopback and #, duration 70 (both initiate & respond) ms, adjustable). Software command control. (dkh-07/28/93)