1200 BPS Internal Modem  (250-1013)  Specifications    Faxback Doc. # 4749

COMPATIBILITY:                     RECEIVER SENSITIVITY: -45 dbm
        MODEM: Bell                      TRANSMIT LEVEL: -10 dbm
       DIALER: "AT" command set         TONE DIAL LEVEL:  0 dbm
   DATA RATES: 1200, 300, 110            LINE IMPEDANCE: 600 ohms
 SPEED SELECT: Automatic             RINGER EQUIVALENCE: 0.4 B
   CMD BUFFER: 40 characters                 MODULATION:
      SPEAKER: On                              300 BAUD: Frequency Shift
 DATA FORMATS: 8 bit, no parity;                         Keyed (FSK)
               7 bit even, odd, mark,         1200 BAUD: Differential Phase
               or space parity                           Shift Keyed (DPSK)
TESTING MODES: Analog (local)                   DIALING: Pulse (Rotary)
               loopback; Remote                          10 pps
               digital loopback                          Tone (Includes
               (initiate & res-                          * and -) duration
               pond)                                     70 ms


(dkh-07/28/93)