
MOTOROLA, INC.

MODEMSURFR 28800 EXTERNAL

Card Type                    Modem (asynchronous)/Fax
Chip Set                     Unidentified
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I& II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

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                                CONNECTIONS

         Function            Label            Function             Label

  DC power                       CN1       Line out                 CN4

  RS-232/422                     CN2       Power switch             SW1

  Line in                        CN3

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

    HS        Red         On          Modem is operating at 16800bps or
                                                   faster

    HS        Red         Off         Modem is operating at slower than
                                                  16800bps

    OH        Red         On                 Modem is off-hook

    OH        Red         Off                 Modem is on-hook

    AA        Red         On                Auto-answer enabled

    AA        Red         Off               Auto-answer disabled

    AA        Red       Blinking              Phone is ringing

    SD        Red         On             Modem is transmitting data

    SD        Red         Off          Modem is not transmitting data

    RD        Red         On              Modem is receiving data

    RD        Red         Off           Modem is not receiving data

    CD        Red         On              Carrier signal detected

    CD        Red         Off           Carrier signal not detected

    TR        Red         On                 DTR signal is high

    TR        Red         Off                DTR signal is low

    MR        Red         On                    Power is on

    MR        Red         Off                   Power is off

                         Proprietary AT Command Set

               See document V1620 for a full command summary.

