2400 BPS Internal Modem (250-1037B)  Specifications    Faxback Doc. # 5010

COMPATIBILITY: Hayes                 RECEIVER SENSITIVITY: -43 dBm.
        MODEM: CCITT V.22 bis at           TRANSMIT LEVEL: -10 dBm.
               2400 bps.                  TONE DIAL LEVEL: N/A.
               Bell 212A & CCITT           LINE IMPEDANCE: 600 ohms
               V.22 at 1200 bps.       RINGER EQUIVALENCE: N/A.
               Bell 103J/113 at 300            MODULATION:
               bps.                              300 BAUD: Frequency Shift
       DIALER: "AT" command set.                           Keyed (FSK)
   DATA RATES: 2400, 1200, 300 bps.             1200 BAUD: Differential Phase
 SPEED SELECT: Automatic.                                  Shift Keyed (DPSK)
   CMD BUFFER: 42 characters.                   2400 BAUD: 16-point Quadrature
      SPEAKER: On.                                         Amplitude Modula-
 DATA FORMATS: N/A.                                        tion/Phase Shift
TESTING MODES: Analog (local) loopback                     Keyed (QAM/PSK)
               both initiate & respond.           DIALING: Pulse (10 pps)
               Software command                            Tone (Including *
               controlled.                                 and #; duration
                                                           95 ms, adjustable).



(smm 07/28/93)