2400/9600 BPS Faxmodem  (250-3027B)  Specifications   Faxback Doc. # 5749

  MODEM COMPATIBILITY:  CCITT V.22 bis at 2400 bps
                        Bell 212A and CCITT V.22 at 1200 bps
                        Bell 103J at 300 bps

    FAX COMPATIBILITY:  Fax transmitting:  CCITT V.27ter at 2400 bps
                                           CCITT V.27ter at 4800 bps
                                           CCITT V.29 at 7200 bps
                                           CCITT V.29 at 9600 bps

                           Fax receiving:  CCITT V.27ter at 2400 bps
                                           CCITT V.27ter at 4800 bps
  GROUP COMPATIBILITY:  Group II and III

COMMAND COMPATIBILITY:  Hayes Extended AT command set

     MODEM DATA RATES:  2400, 1200, and 300 BPS
       FAX DATA RATES:  Transmit:  2400, 4800, 7200,
                                   and 9600 bps
                         Receive:  2400 and 4800 bps
      SPEED SELECTION:  Originate Mode, Automatic on

           TEST MODES:  Analog (local) loopback (both initiate and respond)
                        Software command controlled

 RECEIVER SENSITIVITY:  -43 Dbm
       TRANSMIT LEVEL:  -10 Dbm
       LINE IMPEDANCE:  600 Ohms

           ERROR RATE:  1 in 105 characters
                        on standard 3002 unconditioned line

           MODULATION:  300 bps:  Frequency shift keyed (FSK)
                       1200 bps:  Differential phase shift keyed (DPSK)
                       2400 bps:  16-point quadrature amplitude
                                   modulation/
                       Phase-shift keyed (QAM/PSK)
              DAILING:  Pulse:  Rotary (10 pps)
                         Tone:  Including * and #,
                     Duration:  95 ms (adjustable)

       COMMAND BUFFER:  42 characters

OPERATING TEMPERATURE:  32 TO 104F (0 TO 40C)
  STORAGE TEMPERATURE:  -40 t +176F (-40 to +80C)
             HUMIDITY:  0-90% Non-condensing

(smc-12/16/93)