2400 BPS Internal Modem (250-3538) Specifications Faxback Doc. # 5105 COMPATIBILITY: RECEIVER SENSITIVITY: -43 dBm MODEM: CCITT V.22 bis @ TRANSMIT LEVEL: -10 dBm 2400 bps. TONE DIAL LEVEL: N/A Bell 212A & CCITT V.22 LINE IMPEDANCE: 600 ohms @ 1200 bps. RINGER EQUIVALENCE: 0.7 B Bell 103J/113 @ 300 bps MODULATION: DIALER: Hayes AT command set 300 BAUD: Frequency Shift DATA RATES: 2400, 1200 and 300 bps Keyed (FSK) SPEED SELECT: Automatic 1200 BAUD: Differential Phase CMD BUFFER: 42 characters Shift Keyed (DPSK) SPEAKER: On 2400 BAUD: 16-point quadrature DATA FORMATS: 8 bit, no parity; 7 bit amplitude modula- even, odd or no parity. tion/Phase-Shift TESTING MODES: Analog (local) loopback Keyed (QAM/PSK) (both initiate & respond) DIALING: Pulse (10 pps) Software command controlled Tone (Including # and *), dur. 95 ms, adjustable) (smc-09/14/93)