2400 BPS Internal Modem  (250-1037)  Specifications    Faxback Doc. # 5002

COMPATIBILITY: Hayes               RECEIVER SENSITIVITY: -45 dBm.
        MODEM: Bell 212 @ 1200,          TRANSMIT LEVEL: -16 dBm.
               300 bps.                 TONE DIAL LEVEL: 0 dBm.
               Bell 103/113 @ 300        LINE IMPEDANCE: 600 ohms.
               bps.                  RINGER EQUIVALENCE: 0.8 B
               V.22 bis @ 2400 bps.          MODULATION:
       DIALER: "AT" command set.               300 BAUD: Frequency Shift
   DATA RATES: 2400, 1200, 300 bps.                      Keyed (FSK).
 SPEED SELECT: Automatic.                     1200 BAUD: DIfferential Phase
   CMD BUFFER: 40 characters.                            Shift Keyed (DPSK).
      SPEAKER: On. Off by command.            2400 BAUD: 16 point quadrature
 DATA FORMATS: 8 bit, no parity; 7 bit                   amplitude modula-
               even, odd, mark or                        tion/Phase shift
               space parity.                             keyed (QAM/PSK).
TESTING MODES: Analog (local) loopback,         DIALING: Pulse (10 pps).
               both initiate & respond.                  Tone (Including *
               Software command con-                     and #; duration
               trolled.                                  70 ms, adjustable).




(smm 07/28/93)