
SIMPLE TECHNOLOGY, INC.

PCMCIA DATA/FAX MODEM CARD

Modem Type                   Data (asynchronous)/Fax
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, 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

                                                                      V1478

                         Proprietary AT Command Set

                    AUTO-RETRAIN - FALLBACK/FALLFORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Example:       AT %E1 <CR>

  Description:   Controls auto-retrain mode and fallback/fall forward.

    Command                              Function

   %E0          Auto-retrain disabled.

      %E1        Auto-retrain enabled.

      %E2        Fallback/fall forward enabled.

                          BIT-MAPPED REGISTER S14

  Format                   AT [cmds] S14? [cmds]

  Example:                 ATS14?<CR>

  Default:                 Read only

  Range:                   0-174

  Unit:                    Bit-mapped

  Description:             Controls echo, result codes, result code
                           display, dial mode, and answer/originate mode.

       Bit          Value                       Meaning

        0             0       Not used.

        1              0      Command echo disabled.

                    1        Command echo enabled.

        2           0        Result codes enabled.

                      1       Result codes disabled.

        3              0      Display result codes in numeric format.

                    1        Display result codes in verbose format.

        4             0       Not used.

        5           0        Tone dial enabled.

                      1       Pulse dial enabled.

        6             0       Not used.

        7              0      Answer mode enabled.

                    1        Originate mode enabled.

                          BIT-MAPPED REGISTER S21

  Format                     AT [cmds] S21? [cmds]

  Example:                   ATS21?<CR>

  Default:                   Read only

  Range:                     0 - 124

  Unit:                      Bit-mapped

  Description:               Selects CTS signal, low DTR action, DCD
                             signal, DSR signal, and the Long Space
                             Disconnect function.

        Bit           Value                      Meaning

       1, 0             0       Not used.

         2               0      CTS forced high.

                      1        CTS follows RTS.

       4, 3             00      DTR signal ignored.

                        01      Modem goes to command mode on low DTR.

                      10       Modem disconnects on low DTR. Auto-Answer
                                is disabled.
                        11
                                Modem is initialized on low DTR.

         5               0      DCD forced high.

                      1        DCD normal.

         6            0        DSR forced high.

                        1       DSR normal.

         7            0        Long Space Disconnect function disabled.

                        1       Long Space Disconnect function enabled.

                          BIT-MAPPED REGISTER S22

  Format                    AT [cmds] S22? [cmds]

  Example:                  ATS22?<CR>

  Default:                  Read only

  Range:                    0-127

  Unit:                     Bit-mapped

  Description:              Controls speaker volume and controls, and
                            limits results codes.

       Bit           Value                       Meaning

       1, 0            00       Off volume.

                     01        On volume.

                       10       Medium level volume.

                       11       High level volume.

       3, 2            00       Speaker off.

                     01        Speaker off on carrier.

                       10       Speaker always on.

                       11       Speaker on during handshake.

     6, 5, 4           000      Basic result codes only enabled.

                       100      Basic and connection speed result codes
                                enabled.
                       101
                                All results codes except dialtone
                       110      detection enabled.

                     111       Basic and connection speed result codes
                                and dialtone detection enabled.

                                All result codes enabled.

                          BIT-MAPPED REGISTER S23

  Format                   AT [cmds] S23? [cmds]

  Example:                 ATS23?<CR>

  Default:                 Read only

  Range:                   0-255

  Unit:                    Bit-mapped

  Description:             Grants/denies remote digital loopback,
                           controls DTE rate and parity, and sets guard
                           tone.

        Bit           Value                      Meaning

         0              0       Remote digital loopback denied.

                     1         Remote digital loopback allowed.

      3, 2, 1          000      Sets serial port speed to 0-300bps.

                       001      Sets serial port speed to 600bps.

                       010      Sets serial port speed to 1200bps.

                     011       Sets serial port speed to 2400bps.

                       100      Sets serial port speed to 4800bps.

                       101      Sets serial port speed to 9600bps.

                       110      Sets serial port speed to 19200bps.

        5,4             00      Parity even.

                        01      Not used.

                        10      Parity odd.

                     11        No Parity.

       7, 6          00        Guard tone disabled.

                        01      Guard tone disabled.

                       10       Guard tone 1800Hz enabled.

                          BIT-MAPPED REGISTER S27

  Format                   AT [cmds] S27? [cmds]

  Example:                 AT S27?<CR>

  Default:                 Read only

  Range:                   0 - 127

  Unit:                    Bit-mapped

  Description:             Selects async mode, and ITU-T/Bell modes.

       Bit           Value                      Meaning

     3, 1, 0        00         Direct asynchronous mode.

                     01       Reliable asynchronous mode.

                       10      Normal Asynchronous mode.

     5, 4, 2           0       Not used.

        6               0      CCITT mode.

                     1        Bell mode.

                          BIT-MAPPED REGISTER S28

  Format                AT [cmds] S28? [cmds]

  Example:              AT S28?<CR>

  Default:              Read only

  Range:                0 - 192

  Unit:                 Bit-mapped

  Description:          Controls MNP10 link negotiation.

     Bit         Value                        Meaning

    5 - 0          0       Not used.

     7, 6        00       Link will be negotiated at highest possible
                           speed.
                   01
                           Link will be negotiated at 1200bps.
                   11
                           Link will be negotiated at 4800bps.

                          BIT-MAPPED REGISTER S31

  Format                AT [cmds] S31? [cmds]

  Example:              ATS31?<CR>

  Default:              Read only

  Range:                0-15

  Unit:                 Bit-mapped

  Description:          Controls auto-baud function and result codes.

     Bit         Value                        Meaning

      0            0       Not used.

      1             0      Auto-baud disabled.

                 1        Auto-baud enabled.

     3, 2        00       DTE speed displayed in result codes.

                   01      Extended result codes enabled; DCE speed
                           displayed in result codes.
                   10
                           DCE speed displayed in result codes.

    5 - 4          0       Not used.

    7 - 6        11       Not used.

                          BIT-MAPPED REGISTER S40

  Format                    AT [cmds] S40? [cmds]

  Example:                  AT S40?<CR>

  Default:                  Read only

  Range:                    0 - 65

  Unit:                     Bit-mapped

  Description:              Controls MNP10 data compression, power level
                            adjustment, break type, and MNP block size.

       Bit           Value                      Meaning

      1, 0             00      MNP10 disabled.

                    01        MNP10 enabled.

                      10       MNP10 enabled, except during V.42 answer
                               detection.

        2           0         Power level adjustment disabled.

                       1       Power level adjustment enabled.

      5 - 3           000      Displays \K0.

                      001      Displays \K1.

                      010      Displays \K2.

                      011      Displays \K3.

                      100      Displays \K4.

                    101       Displays \K5.

      6, 7             00      MNP block size is 64 characters.

                    01        MNP block size is 128 characters.

                       10      MNP block size is 192 characters.

                      11       MNP block size is 256 characters.

                          BIT-MAPPED REGISTER S41

  Format               AT [cmds] S41? [cmds]

  Example:             ATS41?<CR>

  Default:             Read only

  Range:               0 - 255

  Unit:                Bit-mapped

  Description:         Selects compression, auto-retrain, flow control,
                       and MNP mode.

     Bit        Value                         Meaning

     1, 0         00      Data compression disabled.

                  01      MNP5 enabled.

                  10      V.42bis enabled.

                11       MNP5 and V.42bis enabled.

     6, 2       00       Auto-retrain disabled.

                  01      Auto-retrain enabled.

                  10      Fallback/fall forward enabled.

      3         0        Flow control disabled.

                  1       Flow control enabled.

      4         0        Stream mode for MNP.

                  1       Block mode for MNP.

      5           0       Not used.

      7            0      MNP10 at 2400 and 1200bps disabled.

                1        MNP10 at 2400 and 1200bps enabled.

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B3 &W<CR>

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem.

                                BREAK TYPE

  Type:           Configuration

  Format:         AT [cmds] \Kn [cmds]

  Example:        AT \K1 <CR>

  Description:    Configures action of break signal.

     Command       Break from DTE      Modem receives       Break from
                                            \B             remote modem

       \K0         Enter command      Buffers cleared    Buffers cleared
                   mode, do not       and break sent     and break sent
                   send break to      to remote modem.   to DTE.
                   remote modem.

       \K1         Buffers cleared    Buffers cleared    Buffers cleared
                   and break sent     and break sent     and break sent
                   to remote modem.   to remote modem.   to DTE.

       \K2         Enter command      Send break to      Send break to
                   mode, do not       remote modem       DTE immediately.
                   send break to      immediately.
                   remote modem.

       \K3         Send break to      Send break to      Send break to
                   remote modem       remote modem       DTE immediately.
                   immediately.       immediately.

       \K4         Enter command      Send break to      Break sent with
                   mode, do not       remote modem       received data to
                   send break to      with transmitted   the DTE.
                   remote modem.      data.

   \K5            Send break with    Send break to      Break sent with
                   transmitted        remote modem       received data to
                   data.              with transmitted   the DTE.
                                      data.

                        CELLULAR TRANSMISSION LEVEL

  Type:          Register

  Format:        AT [cmds] @Mn [cmds]

  Example:       AT @M26 &W<CR>

  Default:       26

  Range:         10-31

  Unit:          -1dBm.

  Description:   Sets the signal level for transmission when in leased
                 line mode.

    Command                              Function

      @M0        -26dBm.

      @M1        -30dBm.

    @M2-@M10     -10dBm.

                        CELLULAR TRANSMISSION LEVEL

  Format                   AT [cmds] S201=n [cmds]

  Example:                 AT S201=58 &W<CR>

  Default:                 58

  Range:                   0-255

  Unit:                    ASCII decimal

  Description:             Sets the signal level for transmission when in
                           leased line mode.

   Bit       Value      Equiv.                   Function

  4 - 0       00000       @M0     Sets leased line transmit attenuation
                                  level to -26dBm.
               ...        ...
                                  ...
            11010        @M26
                                  Sets leased line transmit attenuation
             11111        ...     level to -10dBm.

                         @M31     ...

                                  Sets leased line transmit attenuation
                                  level to -31dBm.

    5       0                    Equalizer disabled.

               1                  Equalizer enabled.

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Example:       AT *EC0 %C1 *AP0<CR>

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        MNP5 enabled.

      %C2        V.42bis enabled.

   %C3          Both MNP5 and V.42 enabled.

                           COMPROMISE EQUALIZER

  Type:          Configuration

  Format:        AT [cmds] :En [cmds]

  Example:       AT :E &W<CR>

  Description:   Controls V.32 compromise equalizer.

    Command                              Function

      :E0        Equalizer disabled.

   :E1          Equalizer enabled.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N1 DT555-1212<CR>

  Description:   Sets connect mode.

    Command                              Function

      \N0        Normal mode enabled.

      \N2        Reliable mode enabled.

   \N3          Auto-reliable mode enabled.

      \N4        LAPM mode enabled.

      \N5        MNP mode enabled.

                             DTE SPEED OPTION

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Example:       AT \J0 &W<CR>

  Description:   Controls the speed of the DTE.

    Command                              Function

   \J0          DCE and DTE rates are independent.

      \J1        DTE rate adjusts to DCE rate after connection.

                         FLASH DIAL MODIFIER TIME

  Format                AT [cmds] S29=n [cmds]

  Example:              ATS29=70<CR>

  Default:              70

  Range:                0-255

  Unit:                 .01 second

  Description:          Time the modem will go on-hook upon receiving the
                        ! dial modifier in dial string.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Example:       AT \G1 &K3<CR>

  Description:   Selects modem port flow control.

    Command                              Function

   \G0          Flow control disabled.

      \G1        Flow control enabled.

                       FLOW CONTROL CHARACTER - XOFF

  Type:          Register

  Format:        AT [cmds] S33=n [cmds]

  Example:       ATS33=20<CR>

  Default:       19

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XOFF.

                       FLOW CONTROL CHARACTER - XON

  Type:          Register

  Format:        AT [cmds] S32=n [cmds]

  Example:       ATS32=20<CR>

  Default:       17

  Range:         0-255

  Unit:          ASCII

  Description:   Sets the character used to represent XON.

                             LINE SIGNAL LEVEL

  Type:          Configuration

  Format:        AT [cmds] %L [cmds]

  Example:       AT %L &W<CR>

  Description:   Returns recieved line signal level.

                            LINE SIGNAL QUALITY

  Type:          Configuration

  Format:        AT [cmds] %Q [cmds]

  Example:       AT %Q<CR>

  Description:   Displays line signal quality.

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Example:       AT \A3 %C1<CR>

  Description:   Sets the maximum transmittable block size.

    Command                              Function

      \A0        MNP block size is 64 characters.

   \A1          MNP block size is 128 characters.

      \A2        MNP block size is 192 characters.

      \A3        MNP block size is 256 characters.

                           MNP STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Example:       AT \L1 DT555-1212<CR>

  Description:   Selects the transfer mode for MNP.

    Command                              Function

   \L0          Stream mode for MNP enabled.

      \L2        Block mode for MNP enabled.

                             MNP10 COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] -Kn [cmds]

  Example:       AT %C1 -K1 -Q0 <CR>

  Description:   Selects MNP10 data compression.

    Command                              Function

      -K0        MNP10 disabled.

   -K1          MNP10 enabled.

      -K2        MNP10 enabled, except during V.42answer detection.

                              MNP10 FALL-BACK

  Type:          Configuration

  Format:        AT [cmds] -Qn [cmds]

  Example:       AT *H0 -Q1 <CR>

  Description:   Allows MNP10 to fall back to speeds slower than 4800bps.

    Command                              Function

      -Q0        MNP10 at 2400 and 1200bps disabled.

   -Q1          MNP10 at 2400 and 1200bps enabled.

                          MNP10 LINK NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] *Hn [cmds]

  Example:       AT *H0 -Q1 <CR>

  Description:   Sets the speed at which MNP10 link negotiation will
                 occur.

    Command                              Function

   *H0          Link will be negotiated at highest possible speed.

      *H1        Link will be negotiated at 1200bps.

      *H2        Link will be negotiated at 4800bps.

                         MNP10 POWER LEVEL ADJUST

  Type:           Configuration

  Format:         AT [cmds] )Mn [cmds]

  Example:        AT )M1 %C1<CR>

  Description:    Controls automatic transmit power level adjustment
                  during MNP 10 link negotiation.

     Command                             Function

   )M0           Power level adjustment disabled.

       )M1        Power level adjustment enabled.

                              PROTOCOL/SPEED

  Type:          Configuration

  Format:        AT [cmds] Fn [cmds]

  Example:       AT F0 A<CR>

  Description:   Selects the current protocol and speed.

    Command                              Function

   F0           Auto-select fastest common protocol.

       F1        V.21/Bell 103A 300bps.

       F3        V.23 1200/75bps.

       F4        V.22/Bell 212A 1200bps.

       F5        V.22bis.

       F6        V.32bis/V.32 4800bps.

       F7        V.32bis 7200bps.

       F8        V.32 9600bps

       F9        V.32bis 12Kbps

      F10        V.32bis 14.4Kbps

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Example:       AT I1 O<CR>

  Description:   Displays modem properties.

    Command                              Function

       I0        Reports product code.

       I1        Reports ROM checksum result.

       I2        Test ROM. Reports OK or Error.

       I3        Reports ROM revision level.

       I4        Reports modem identifier string.

       I5        Reports country code.

       I6        Reports data pump model.

                                SLEEP TIMER

  Format                  AT [cmds] S24=n [cmds]

  Example:                ATS24=32<CR>

  Default:                32

  Range:                  0 - 255

  Unit:                   1 second

  Description:            Maximum duration of DTE and DCE inactivity
                          allowed prior to initiating low-power sleep
                          mode. S24=0 will disable timer.

                                TEST MODES

  Format                  AT [cmds] S16? [cmds]

  Example:                ATS16?<CR>

  Default:                Read only

  Range:                  0-125

  Unit:                   Bit-mapped

  Description:            Controls loopback tests, analog, digital,
                          remote digital, and self tests.

      Bit         Value                        Function

       0          0         Local analog loopback not in progress.

                    1        Local analog loopback in progress.

       1            0        Not used.

       2          0         Local digital loopback not in progress.

                    1        Local digital loopback in progress.

       3          0         Modem not in remote digital loopback.

                    1        Remote digital loopback in progress.

       4          0         Remote digital loopback not requested.

                    1        Remote digital loopback requested.

       5          0         Remote digital loopback w/ self-test not in
                             progress.
                    1
                             Remote digital loopback w/ self-test in
                             progress.

       6          0         Local analog loopback w/ self-test not in
                             progress.
                    1
                             Local analog loopback w/ self-test in
                             progress.

