
MAXTECH CORPORATION

14.4 FAX PCMCIA

Card Type                    Modem(asynchronous)
Chip Set                     Unidentified
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.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 MNP10, V.42, V.42bis

                         Proprietary AT Command Set

                                                                      V1794

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT %En

  Description:   Selects auto-retrain mode

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                                 AUTOSCAN

  Type:          Configuration

  Format:        AT [cmds] Nn [cmds]

  Description:   Enables rate negotiation

    Command                              Function

       N0         Autoscan disabled

       N1         Autoscan enabled

                          BIT-MAPPED REGISTER S14

  Format              AT [cmds] S14=n [cmds]

  Default:            138

  Range:              0 - 174

  Unit:               Bit-mapped

  Description:        Controls command echo, result codes, dialing mode,
                      and answer/originate mode

   Bit      Value                          Function

    0            0    Not used

    1             0   Command echo off

                 1    Command echo on

    2             0   Result codes enabled

                 1    Result codes disabled

    3             0   Numeric result codes

                 1    Verbose result codes

    4            0    Not used

    5             0   Tone dialing selected

                 1    Pulse dialing selected

    6            0    Not used

    7             0   Answer mode selected

                 1    Originate mode selected

                          BIT-MAPPED REGISTER S21

  Format                AT [cmds] S21=n [cmds]

  Default:              20

  Range:                0 - 252

  Unit:                 Bit-mapped

  Description:          Selects CTS signal, low DTR action, DCD signal,
                        DSR signal, and long space disconnect

    Bit       Value                         Function

     0             0    Not used

     1             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 and goes to command mode on low
                        DTR
                  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=n [cmds]

  Default:              Unidentified

  Range:                0 - 127

  Unit:                 Bit-mapped

  Description:          Controls volume and speaker settings, result
                        codes

    Bit       Value                         Function

   1, 0            00   Not used

                   01   Low volume setting

                   10   Medium volume setting

                  11    Highest volume setting

   3, 2            00   Speaker disabled

                   01   Speaker enabled until connection established

                   10   Speaker enabled

                  11    Speaker off during dialing

  6, 5 ,4         000   Busy and dialtone detection disabled, result
                        codes 0-4 enabled
                  001
                        Not used
                  010
                        Not used
                  011
                        Not used
                  100
                        Busy and dialtone detection disabled, result
                  101   codes 0-5, 10 enabled

                  110   Busy tone detection disabled, dialtone detection
                        enabled, result codes 0-6, 10 enabled
                 111
                        Busy tone detection enabled, dialtone detection
                        disabled, result codes 0-5, 7, 10 enabled

                        Busy and dialtone detection enabled, all result
                        codes enabled

                          BIT-MAPPED REGISTER S23

  Format                AT [cmds] S23=n [cmds]

  Default:              Unidentified

  Range:                0-189

  Unit:                 Bit-mapped.

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

    Bit       Value                         Function

     0              0   Ignore remote digital loopback request

                   1    Grant remote digital loopback request

   3, 2,          000   Sets serial port speed to 300bps

     1            001   Not used

                  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 19.2Kbps

                 111    Not used

    5,4            00   Parity even

                   01   Not used

                   10   Parity odd

                  11    Mark or no parity

   7, 6            00   Guard tone Disabled

                   01   550Hz guard tone enabled

                   10   1800Hz guard tone enabled

                  11    Not used

                          BIT-MAPPED REGISTER S27

  Format:               AT [cmds] S27=n [cmds]

  Default:              73

  Range:                0-78

  Description:          Controls connect mode, line type and protocol

      Bit         Value                       Function

    3, 1, 0          0x00   Direct mode

                     0x01   Not used

                     0x10   Not used

                     0x11   Not used

                     1x00   Not used

                     1x01   V.42 with fallback enabled

                     1x10   Normal mode

                    1x11    Not used

       2                 0  Switched line

                        1   Not used

       4                0   Not used

       5                0   Not used

       6                 0  V.21/V.22 enabled

                        1   Bell 212A enabled

                                   BREAK

  Type:          Configuration

  Format:        AT [cmds] Yn [cmds]

  Description:   Enables break signal send and reaction

    Command                              Function

       Y0         Modem ignores and does not send break signals

       Y1         Modem disconnects four seconds after sending break

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       3

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem

                                   BREAK TYPE

  Type:                  Configuration

  Format:                AT [cmds] \Kn [cmds]

  Description:           Configures action of break signal.

   Command      Break from DTE     Break from         Modem        Break from
                   while in       DTE while in      receives      remote modem
                                                   break from       while in
                reliable/normal   direct mode     DTE while in    normal mode
                     mode                         command mode

     \K0        Do not send       Send break to   Buffers         Buffers
                break to remote   remote modem    cleared and     cleared and
                modem.            immediately,    break sent to   break sent to
                                  then enter      remote modem.   DTE.
                                  command mode.

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

     \K2        Do not send       Send break to   Send break to   Send break to
                break to remote   remote modem    remote modem    DTE
                modem.            immediately,    immediately.    immediately.
                                  then enter
                                  command mode.

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

     \K4        Do not send       Send break to   Send break to   Break sent
                break to remote   remote modem    remote modem    with received
                modem.            immediately,    with            data to the
                                  then enter      transmitted     DTE.
                                  command mode.   data.

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

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Description:   Selects data compression

    Command                              Function

      %C0        V.42bis/MNP5 data compression disabled

      %C1        MNP5 data compression enabled

      %C2        V.42bis data compression enabled

      %C3        V.42bis/MNP5 data compression enabled

                               CONNECT SPEED

  Type:          Configuration

  Format:        AT [cmds] Fn [cmds]

  Description:   Selects connect speed

    Command                              Function

       F0         Autoscan

       F1         Connect at 300bps

       F2         Not used

       F3         V.23

       F4         Connect at 1200bps

       F5         Connect at 2400bps

       F6         Connect at 4800bps

       F7         Connect at 7200bps

       F8         Connect at 9600bps

       F9         Connect at 12.0Kbps

      F10         Connect at 14.4Kbps

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Sets connect mode

    Command                              Function

      \N0        Normal mode enabled

      \N1        Direct mode enabled

      \N2        MNP or V.42 mode only enabled

      \N3        MNP, V.42 or normal mode enabled

      \N4        V.42 mode enabled

      \N5        V.42 enabled

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects line type

    Command                              Function

      &L0        Switched line

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Configuration

  Format:        AT [cmds] \An [cmds]

  Description:   Sets the maximum transmittable block size

    Command                              Function

      \A0        Maximum MNP block size is 64 characters

      \A1        Maximum MNP block size is 128 characters

      \A2        Maximum MNP block size is 192 characters

      \A3        Maximum MNP block size is 256 characters

                          MNP 10 EXTENDED SERVICE

  Type:          Configuration

  Format:        AT [cmds] -Kn [cmds]

  Description:   Controls MNP 10 extended service

    Command                              Function

      -K0         MNP 10 extended service disabled

      -K1         MNP 10 extended service enabled

                              MNP 10 FALLBACK

  Type:          Configuration

  Format:        AT [cmds] -Qn [cmds]

  Description:   Controls fallback from MNP 10 to V.22bis/V.22

    Command                              Function

      -Q0         Fallback disabled

      -Q1         Fallback enabled

                          MNP10 LINK NEGOTIATION

  Type:          Configuration

  Format:        AT [cmds] *Hn [cmds]

  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

                         MNP10 POWER LEVEL ADJUST

  Type:                Configuration

  Format:              AT [cmds] )Mn [cmds]

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

       Command                              Function

         )M0           Power level adjustment disabled

         )M1           Power level adjustment enabled

                           MNP STREAM/BLOCK MODE

  Type:          Configuration

  Format:        AT [cmds] \Ln [cmds]

  Description:   Selects the transfer mode for MNP

    Command                              Function

      \L0        Stream mode for MNP enabled

      \L1        Block mode for MNP enabled

                           REPORT SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Unit:          Unidentified

  Description:   Reports signal quality

                                TEST STATUS

  Format           AT [cmds] S16=n [cmds]

  Default:         0

  Range:           0 - 125

  Unit:            Bit-mapped

  Description:     Contains status of loopback tests.

   Bit    Value                           Function

    0          0   Local analog loopback test disabled

              1    Local analog loopback test enabled

    1         0    Not used

    2          0   Local digital loopback test disabled

              1    Local digital loopback test enabled

    3          0   Remote digital loopback test disabled

              1    Remote digital loopback test enabled

    4          0   Remote digital loopback test not in progress

              1    Remote digital loopback test in progress

    5          0   Remote digital loopback test & error disabled

              1    Remote digital loopback test & error enabled

    6          0   Local analog loopback with self test disabled

              1    Local analog loopback with self test enabled

                             TRANSMIT LEVEL

  Type          Immediate

  Format        AT [cmds] %Ln

  Unit          -1 dBm

  Description   Displays received signal strength

