
MAXTECH CORPORATION

XPV 56I41 (K56PLUS-L/CPI-SVD)

Card Type                    Modem, Fax
Chip Set                     Lucent
I/O Options                  Line in, line out, microphone in, speaker out
Maximum Modem Rate           56Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34, K56Plus
Fax Modulation Protocol      ITU-T V.17, V.29, V.27ter
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I & II
Data Bus                     16-bit ISA

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

  A, E, H, M, O, P, Q, T, V, W, Y, Z

  &C, &F, &G, &V, &W, &Z

                           Extended AT Commands

  \A, \B, \J, \K, \T, \X

  -C

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S21, S22,
  S24, S30, S36, S37, S48



  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                               AUTOSCAN MODE

  Type:          Immediate

  Format:        AT [cmds] Nn [cmds]

  Description:   Enables/Disables Autoscan mode

    Command                              Function

       N0        Autoscan mode disabled

       N1       Autoscan mode enabled

                    COMMUNICATIONS MODE (ASYNCHRONOUS)

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode

    Command                                Mode

      &M0        Asynchronous mode

               COMMUNICATIONS MODE (DATA LINK AND FALLBACK)

  Type:          Configuration

  Format:        AT [cmds] &Q [cmds]

  Description:   Configures data link options

    Command                              Function

      &Q0        Set Direct data link only

      &Q5        Set V.42 data link with fallback options

      &Q6        Set Normal data link only

                          COMMUNICATION PROTOCOLS

  Type:                  Configuration

  Format:                AT [cmds] Bn [cmds]

  Description:           Selects the communication protocol for data
                         calls

            Note: The B command allows the simultaneous selection of more
            than one suffix, enabling multiple protocols.

        Command                              Protocol

          B0             Sets CCITT mode

          B1            Sets Bell mode

          B2             CCITT V.23 originate: transmit 75/receive
                         1200bps

          B3             CCITT V.23 originate: transmit 1200/receive
                         75bps

          B15            Sets V.21 at 300 bps

          B16            Sets Bell 103 at 300 bps

                           DATA SET READY (DSR)

  Type:           Configuration

  Format:         AT [cmds] &Sn [cmds]

  Description:    Selects DSR options

    Command                              Function

      &S0         DSR forced high

      &S1         DSR is off while in command mode and set on in on-line
                  mode

                         DATA TERMINAL READY (DTR)

  Type:                  Configuration

  Format:                AT [cmds] &Dn [cmds]

  Description:           Selects modem response to DTR

        Command                              Function

          &D0            Modem does not respond to DTR

          &D1            Modem goes to command mode after DTR goes is off

          &D2            Modem goes to command mode and disconnects
                         (hangs up) after DTR goes off; Auto-Answer is
                         disabled.

          &D3            Modem is initialized after DTR goes off

                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#> [cmds]

  Description:           Dials telephone number according to any
                         modifiers included in the string

  Note:                  Any combination of modifiers can be used to
                         produce the desired dial functions in sequence.

        Command                              Function

          DL             Re-dial last number

          DP             Pulse dialing enabled

          DT            Tone dialing enabled/Pulse dialing disabled

          DW             Dialing resumed following dial tone detection

          D,             Dialing paused for amount of time specified in
                         S8 register

        D"WXY"           Optional method of denoting telephone numbers.
                         Letters enclosed in quotes are interpreted as
                         numbers according to the system found on a
                         telephone keypad.

          D!             Flash function initiated. Modem commanded to go
                         off-hook for specified time before returning
                         on-hook.

          D@             Wait for Quite Answer function enabled. Modem
                         waits until a "quiet answer," a ring-back signal
                         followed by silence up to the time specified in
                         S7, is received prior to executing the rest of
                         the dial string.

          D;             Modem returned to idle state after dialing. The
                         semicolon can only be placed at the end of the
                         dial command.

                               FLOW CONTROL

  Type:          Immediate

  Format:        AT [cmds] &K [cmds]

  Description:   Configures flow control settings

    Command                              Function

      &K0        Flow control disabled

      &K3        RTS/CTS hardware flow control enabled

      &K4        XON/XOFF software flow control enabled

      &K5        Transparent XON/XOFF software flow control enabled

      &K6        RTS/CTS & XON/XOFF flow control enabled

                    HAYES SMARTMODEM 300 COMPATIBILITY

  Type:                  Configuration

  Format:                AT [cmds] Xn [cmds]

  Description:           Configures modem response and blind dialing
                         capabilities

        Command                              Function

           X0            Sets modem to use Hayes Smartmodem 300 responses
                         and blind dialing

           X1            Sets modem to use Hayes Smartmodem 300
                         responses, CONNECT responses, and blind dialing

           X2            Sets modem to use Hayes Smartmodem 300
                         responses, CONNECT responses, dial tone
                         detection, and blind dialing

           X3            Sets modem to use Hayes Smartmodem 300
                         responses, CONNECT responses, busy detection,
                         and blind dialing

           X4           Set modem to use all responses, dial tone
                         detection, and busy signal detection

           X5            Set modem to use all responses, dial tone
                         detection, and busy signal detection

           X6            Set modem to use all responses, dial tone
                         detection, and busy signal detection

           X7            Sets modem to use Hayes Smartmodem 300
                         responses, dial tone detection, busy signal
                         detection, and blind dialing

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects line type

    Command                             Line Type

      &L0        Switched line (PSTN/Dial-up)

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports modem model and speed

       I1        Reports ROM checksum

       I2        Tests and reports internal memory

       I3        Reports default speed and modem model

       I4        Reports firmware ID

       I9        Reports country ID

                        RESTORE PROFILE ON POWER-UP

  Type:               Configuration

  Format:             AT [cmds] &Yn [cmds]

  Description:        Restores a selected profile into the active profile
                      on power-up (hard reset)

      Command                              Function

        &Y0           Restore profile 0 on power-up

                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L0        Low volume setting

       L1        Low volume setting

       L2        Medium volume setting

       L3        Highest volume setting

                                TEST MODES

  Type:          Immediate

  Format:        AT [cmds] &Tn

  Description:   Selects test options

    Command                              Function

      &T0        End current test

      &T1        Begin local analog loopback test

      &T3        Begin local digital loopback test

      &T6        Begin remote digital loopback test

                            Extended AT Commands

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

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

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                                COMPRESSION

  Type:           Configuration

  Format:         AT [cmds] %Cn [cmds]

  Description:    Selects data compression

    Command                              Function

      %C0         Data compression disabled

      %C1         MNP5 and V.42bis; or data compression and correction
                  enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Description:   Controls the type of connection the modem will operate
                 in

    Command                              Function

      \N0        Enables Normal mode

      \N1        Enables Direct mode

      \N2        Enables MNP mode

      \N3       Enables V.42/MNP/Normal modes

      \N4        Enables V.42 mode

      \N5        Enables V.42/MNP/Normal modes

      \N7        Enables V.42/MNP/Normal modes

                             ERROR CORRECTION

  Type:          Immediate

  Format:        AT [cmds] \Vn [cmds]

  Description:   Reports error correction result codes

    Command                              Function

      \V0        Error correction result codes disabled

      \V1       Error correction result codes enabled

      \V2        Error correction result codes enabled

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by modem

    Command                              Function

      \Q0        Flow control disabled

      \Q1        Bi-Directional XON/XOFF flow control enabled

      \Q3        Bi-Directional RTS/CTS flow control enabled

                          RE-DIALING SUPPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Xn [cmds]

  Description:   Configures re-dialing suppression settings

    Command                              Function

      %X0       Re-dialing suppression disabled

      %X1        Re-dialing suppression enabled

                            S(status) -Registers

                             DATA CALLING TONE

  Type:          Register

  Format         AT [cmds] S35=n [cmds]

  Default:       0

  Range:         0, 1

  Unit:          Unidentified

  Description:   Enables the data calling tone

                              DIAL LINE RATE

  Type:          Register

  Format         AT [cmds] S38=n [cmds]

  Default:       0

  Range:         0 - 19

  Unit:          Unidentified

  Description:   Sets the 56K dialing rate

                            LOCAL PHONE STATUS

  Type:          Register

  Format         AT [cmds] S90=n [cmds]

  Default:       Unidentified

  Range:         0, 1

  Unit:          Unidentified

  Description:   0=on hook, 1=off hook

                             SLEEP MODE TIMER

  Type:          Register

  Format         AT [cmds] S89=n [cmds]

  Default:       10

  Range:         0, 5 - 255

  Unit:          seconds

  Description:   Sets the sleep mode timer

                          SYNTHETIC RING DIALING

  Type:          Register

  Format         AT [cmds] S32=n [cmds]

  Default:       10

  Range:         Unidentified

  Unit:          dB

  Description:   Sets the volume of the synthetic ring

                         SYNTHETIC RING FREQUENCY

  Type:          Register

  Format         AT [cmds] S33=n [cmds]

  Default:       0

  Range:         0 - 5

  Unit:          Unidentified

  Description:   Sets the value of the synthetic frequency

                              TRANSMIT LEVEL

  Type:          Register

  Format         AT [cmds] S92=n [cmds]

  Default:       15

  Range:         6 - 15

  Unit:          dB

  Description:   Sets the transmission level volume

                              V.34 MODUALTION

  Type:          Register

  Format         AT [cmds] S28=n [cmds]

  Default:       1

  Range:         0 - 255

  Description:   Enables V.34 modulation

