BEST DATA PRODUCTS, INC.

1442FX EXTERNAL FAX/DATA MODEM

Card Type                    Fax, Modem (synchronous/asynchronous)
Chip Set                     Unidentified
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

                                                                      V2328

 MISCELLANEOUS TECHNICAL NOTES
           Diagram not available

                             DIAGNOSTIC LED(S)

   LED      Color    Status                    Condition

    TM       Red       On                 Modem in test mode

    TM       Red      Off               Modem not in test mode

    AA       Red       On                 Auto-answer enabled

    AA       Red      Off                Auto-answer disabled

    CD       Red       On               Carrier signal detected

    CD       Red      Off             Carrier signal not detected

    RD       Red       On               Modem is receiving data

    RD       Red      Off             Modem is not receiving data

    SD       Red       On             Modem is transmitting data

    SD       Red      Off           Modem is not transmitting data

    TR       Red       On                 DTR signal is high

    TR       Red      Off                  DTR signal is low

    RI       Red       On                  Phone is ringing

    RI       Red      Off                Phone is not ringing

    OH       Red       On                  Modem is off-hook

    OH       Red      Off                  Modem is on-hook

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, ‘+++’, ‘Comma’, A/

  A, B, C, D, E, F, , H, L, M, N, O, P, Q, S, T, V, W, X, Y, Z

  &C, &D, &F, &G, &J, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

                           Extended AT Commands

  \A, \B, \G, \L, \O, \T, \U, \Y, \Z, %E, %L, %Q

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S22,
  S25, S26, S36, S38, S46

  S48, S82, S86, S91, S95

  Note: See MHI Help file for full command documentation.

                         Proprietary AT Command Set

  See; BEST DATA PRODUCTS, INC., 1442FX EXTERNAL FAX/DATA MODEM for a full
                              command summary.