
MAXTECH CORPORATION

XM 144IC (CL-MD1414ECT-SP)

Card Type                    Modem/Fax card
Chip Set                     Unidentified
I/O Options                  Line in(RJ-11), line out(RJ-11), speaker out,
                             microphone in
Maximum Modem Rate           14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A, ITU-T V.22bis, V.22, V.32,
                             V.32bis, V.21
Fax Modulation Protocol      ITU-T V.27ter, V.29, V.17
Error Correction/Compression MNP5, V.42bis, V.42
Fax Class                    Class I
Data Bus                     8-bit ISA

[Image]

                                CONNECTIONS

          Function             Label        Function           Label

  RJ-11 line                       CN1      Speaker out          CN3

  RJ-11 line                       CN2      Microphone in        CN4

                     SERIAL PORT ADDRESS

    Setting            SW1/1                   SW1/2

  COM1 (3F8h)            On                     On

  COM2 (2F8h)           Off                     On

  COM3 (3E8h)            On                     Off

  COM4 (2E8h)           Off                     Off

                    INTERRUPT

  Setting     SW1/3    SW1/4    SW1/5    SW1/6

  IR/FONT>     On       Off      Off      Off

    IRQ3       Off      On       Off      Off

    IRQ4       Off      Off       On      Off

    IRQ5       Off      Off      Off       On



                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

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

  &C, &F, &G, &T, &W, &Y, &Z

                           Extended AT Commands

  \A, \B, \C, \G, \J, \K, \O, \U, \X, \Y, \Z

  %A

  "H

  -J

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18,
  S21, S22, S23, S25

  S26, S27, S30, S37, S90, S108, S109

  Note: See MHI Help File for full command documentation.

                         PROPRIETARY AT COMMAND SET

                            AUTO-MODE DETECTION

  Type:                  Configuration

  Format:                AT [cmds] Nn [cmds]

  Description:           Selects various options for the automatic
                         detection and negotiation of protocols during
                         the handshake process if the modem is
                         communicating with a remote modem of dissimilar
                         speed.

        Command                              Function

          N0             Auto-mode detection disabled

          N1             Auto-mode detection enabled

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode

    Command                                Mode

      &M0        Asynchronous mode

                          CONFIGURATION PROFILES

  Type:          Immediate

  Format:        AT [cmds] &V [cmds]

  Description:   Displays active and stored configuration profiles

    Command                              Function

      &V0        Displays active and stored profile 0

      &V1        Displays active and stored profile 1

                           DATA SET READY (DSR)

  Type:          Configuration

  Format:        AT [cmds] &Sn [cmds]

  Description:   Selects DSR options

    Command                              Function

      &S0        DSR forced high

      &S1        DSR high only while modem is handshaking or connected

                         DATA TERMINAL READY (DTR)

  Type:          Configuration

  Format:        AT [cmds] &Dn [cmds]

  Description:   Selects modem response to DTR

    Command                              Function

      &D0        DTR override

      &D1        DTR toggle causes online command mode

      &D2        Normal DTR operations

      &D3        Resets on receipt of DTR

                                   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

          DP             Pulse dialing enabled

          DR             Answer mode enabled; originate mode disabled
                         following handshake initiation.

         DS=n            Dial stored telephone number n

          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@             Wait for Quiet Answer function enabled. Modem
                         waits until a "quiet answer," a ring-back signal
                         followed by 5 seconds of silence

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

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

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Selects extended result codes

    Command                              Function

      \V0        Extended result codes disabled

      \V1        Send extended response set 1

      \V2        Send extended response set 2

                            PULSE DIALING RATIO

  Type:          Configuration

  Format:        AT [cmds] &Pn [cmds]

  Description:   Selects pulse dial make/break ratio

    Command                              Function

      &P0        39/61ms at 10pps (North America)

      &P1        33/67ms at 10pps (Europe)

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports four digit product code

       I1        Reports ROM checksum

       I2        Reports internal memory test

       I3        Reports device ID

       I4        Reports internal ID

                              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

                              TRELLIS CODING

  Type:          Configuration

  Format:        AT [cmds] &Un [cmds]

  Description:   Enables/disables trellis coding

    Command                              Function

      &U0        V.32 trellis coding enabled

      &U1        V.32 trellis coding disabled

                          EXTENDED AT COMMAND SET

                 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        V.22bis auto-retrain disabled

      %E1        V.22bis auto-retrain enabled



                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 enabled

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

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

    Command                              Function

      \N0        Normal mode enabled

      \N1        Direct mode enabled

      \N2        Reliable mode enabled

      \N3        Auto-reliable mode enabled

      \N4        V.42 reliable mode 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

      \Q2        CTS flow control by DCE enabled

      \Q3        Bi-directional RTS/CTS flow control enabled

                             INACTIVITY TIMER

  Type:                  Configuration

  Format:                AT [cmds] \Tn [cmds]

  Range:                 0-90

  Unit:                  1 second

  Description:           Sets the length of time that the modem does not
                         receive information before it disconnects.

                      V.42bis - MAXIMUM STRING LENGTH

  Type:          Immediate

  Format:        AT [cmds] "On [cmds]

  Range:         6-250

  Unit:          Characters

  Description:   Selects string size for V.42bis compression





