
MAXTECH CORPORATION.

XM 288R15 (RC288/GEN)

XM 288R1 (RC288/GEN)

Card Type                    Modem/Fax card
Chip Set                     Unidentified
I/O Options                  Line in(RJ-11), line out(RJ-11)
Maximum Modem Rate           28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103/212A

                             ITU-T V34, V.32bis, V.32, V.23, V.22bis,
                             V.22, V.21
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I & II
Data Bus                     8-bit ISA

[Image]

                            CONNECTIONS

         Function            Label       Function         Label

  RJ-11 line                      CN1     RJ-11 line       CN2

                     SERIAL PORT ADDRESS

    Setting             JP1                     JP2

  COM1 (3F8h)          Closed                 Closed

  COM2 (2F8h)           Open                  Closed

  COM3 (3E8h)          Closed                  Open

  COM4 (2E8h)           Open                   Open

                           INTERRUPT

    Setting       JP3       JP4       JP5       JP6       JP7

     IRQ2         Open      Open      Open     Open      Closed

     IRQ3         Open      Open      Open     Closed    Open

     IRQ4         Open      Open     Closed    Open      Open

     IRQ5         Open     Closed     Open     Open      Open

     IRQ7        Closed     Open      Open     Open      Open

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

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

  &C, &F, &P, &T, &V, &W, &Y, &Z

                           Extended AT Commands

  \A, \B, \N

  %C, %L, %Q

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18,
  S21, S22, S23, S24, S25

  S26, S27, S29, S30, S31, S32, S33, S36, S37, S38, S39, S40, S41

  S46, S48, S82, S86, S91, S92, S95

                             Special Commands

  #CID

  +MS

  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

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Qn [cmds]

  Description:   Selects communications mode options

    Command                                Mode

      &Q0        Direct mode enabled

      &Q5        V.42 error correction mode with fallback enabled

      &Q6        Normal mode enabled

                           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

         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!             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:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Enables flow control options

    Command                              Function

      &K0        Flow control disabled

      &K3        RTS/CTS flow control enabled

      &K4        XON/XOFF flow control enabled

      &K5        Transparent XON/XOFF flow control enabled

      &K6        Hardware and software flow control enabled

                                GUARD TONE

  Type:           Configuration

  Format:         AT [cmds] &Gn [cmds]

  Description:    Commands the modem to transmit a guard tone in
                  V.22/V.22bis

    Command                              Function

      &G0         Guard tone disabled

      &G1         Guard tone disabled

      &G2         1800Hz guard tone enabled

                                 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 four digit product code

       I1        Reports ROM checksum

       I2        Reports internal memory test

       I3        Reports firmware ID

       I4        Reports reserved ID

       I6        Reports data pump version

                                  RTS/CTS

  Type:          Configuration

  Format:        AT [cmds] &Rn [cmds]

  Description:   Selects RTS/CTS options

    Command                              Function

      &R0        Reserved

      &R1        CTS forced high, RTS is ignored.

                              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

                          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        Auto-retrain disabled

      %E1        Auto-retrain enabled

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Description:   Configures action of break signal. (n=0-2)

