
CALPAK CORPORATION

MX-2442BSR

Modem Type                   Data (synchronous/asynchronous)/Fax
Maximum Data Rate            2400bps
Maximum Fax Rate             9600bps
Data Bus                     8-bit ISA
Fax Class                    Unidentified
Data Modulation Protocol     Unidentified
Fax Modulation Protocol      ITU-T V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Purpose           Location            Purpose           Location

  Line out                    CN1       Line in                    CN2

                        BASE I/O ADDRESS SELECTION

      Port           SW1/A         SW1/C         SW1/E          SW1/F

   COM1:             Off           On            Off             On
  (3F8h)

  COM2: (2F8h)        On            Off           Off             On

  COM3: (3E8h)        Off           On             On            Off

  COM4: (2E8h)        On            Off            On            Off

                            INTERRUPT SELECTION

       IRQ              SW/B              SW1/D               JP1

  3                      On                Off         Pins 2 & 4 closed

   4                   Off                On          Pins 2 & 4 closed

  5                     Off                Off         Pins 3 & 4 closed

  7                     Off                Off         Pins 1 & 2 closed

  Note: Location of JP1 is unidentified.

                         Proprietary AT Command Set

                           ACCEPT RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \U [cmds]

  Example:       AT \U B1<CR>

  Description:   Accepts remote modems request for reliable link.

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:              Configuration

  Format:            AT [cmds] %An [cmds]

  Example:           AT%A19<CR>

  Default:           19

  Range:             0-127

  Unit:              ASCII

  Description:       Sets the character used as the auto-reliable
                     fallback character. %A0 will disable this function.

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:             Configuration

  Format:           AT [cmds] \Cn [cmds]

  Example:          AT \C1 &W<CR>

  Description:      Controls the handling of incoming data during
                    auto-reliable time period.

      Command                             Function

        \C0         Data is discarded.

        \C1         Data is buffered.

        \C2         Data is discarded, modem returns to normal mode on
                    receiving auto-reliable fallback character.

                          BIT-MAPPED REGISTER S14

  Format                   AT [cmds] S14=n [cmds]

  Example:                 ATS14=0<CR>

  Default:                 Unidentified

  Range:                   0-174

  Unit:                    Bit-mapped

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

       Bit         Value                       Function

        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      Smart mode.

                      1       Dumb mode.

        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=n [cmds]

  Example:                   ATS21=0<CR>

  Default:                   Unidentified

  Range:                     0-253

  Unit:                      Bit-mapped

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

        Bit          Value                      Function

         0               0      Selects RJ-11 jack.

                        1       Not used.

         1               0      Serial

                        1       Paralell

         2               0      CTS follows RTS.

                        1       CTS forced high.

       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=n [cmds]

  Example:                  ATS22=0<CR>

  Default:                  Unidentified

  Range:                    0-127

  Unit:                     Bit-mapped

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

       Bit          Value                       Function

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

                      111       All result codes except dialtone
                                detection enabled.

                                All result codes enabled.

                          BIT-MAPPED REGISTER S23

  Format                    AT [cmds] S23=n [cmds]

  Example:                  ATS23=0<CR>

  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       Remote digital loopback denied.

                       1        Remote digital loopback allowed.

       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.

        3              0        Not used.

       5,4             00       Parity even.

                       01       Space Parity.

                       10       Parity odd.

                       11       Mark/No Parity.

       7, 6            00       Guard tone disabled.

                       01       Guard tone 550Hz enabled.

                       10       Guard tone 1800Hz enabled.

                          BIT-MAPPED REGISTER S27

  Format                   AT [cmds] S27=n [cmds]

  Example:                 AT S27=0 <CR>

  Default:                 Unidentified

  Range:                   0 - 108

  Unit:                    Bit-mapped

  Description:             Selects sync/async mode, Line type, internal
                           clock, and ITU-T/Bell modes.

       Bit           Value                      Function

     3, 1, 0          000      Asynchronous mode, serial port speed
                               follows connect speed.
                      001
                               Asynchronous command mode and synchronous
                      010      connect mode.

                      011      Asynchronous command mode and synchronous
                               connect mode, DTR dialing enabled.
                      100
                               Asynchronous command mode on low DTR,
                               synchronous connect mode on high DTR.

                               Hayes AutoSync&trade; mode - serial port
                               locked at 9600bps.

        2              0       Dial up line.

                       1       Leased line.

       5, 4            00      Internal DCE transmit clock source.

                       01      External DTE transmit clock source.

                      10       Remote DCE transmit clock source.

        6              0       CCITT mode.

                       1       Bell mode.

                          BIT-MAPPED REGISTER S36

  Format                   AT [cmds] S36=n [cmds]

  Example:                 ATS36=0<CR>

  Default:                 Unidentified

  Range:                   0 - 207

  Unit:                    Bit-mapped

  Description:             Selects connect mode, flow control, XON/XOFF
                           flow control, and DTE port flow control.

       Bit         Value                        Function

      1, 0             00      Normal mode enabled.

                       01      Direct mode enabled.

                       10      Reliable mode enabled.

                      11       Auto-reliable mode enabled.

        2              0       Flow control disabled.

                       1       Flow control enabled.

        3              0       XON/XOFF signals trapped by local modem.

                       1       XON/XOFF passed through local modem.

      5, 4             0       Not used.

      6, 7             00      Flow control disabled.

                       01      XON/XOFF flow control enabled.

                       10      CTS flow control to DTE enabled.

                      11       RTS/CTS flow control enabled.

                          BIT-MAPPED REGISTER S38

  Format                     AT [cmds] S38=n [cmds]

  Example:                   ATS38=40<CR>

  Default:                   Unidentified

  Range:                     0 - 158

  Unit:                      Bit-mapped

  Description:               Controls auto-reliable buffer, lock serial
                             port speed, data echo, extended result
                             codes, and transmit break.

        Bit         Value                       Function

       1, 0             00      Data is discarded.

                        01      Data is buffered.

                       10       Data is discarded, modem returns to
                                normal mode on receiving auto-reliable
                                fallback character.

         2              0       Serial speed locked.

                        1       Serial speed follows connect speed.

         3              0       Data echo disabled.

                        1       Data echo enabled.

         4              0       Extended result codes disabled.

                        1       Extended result codes enabled.

       6, 5             0       Not used.

         7              0       300ms break not transmitted.

                        1       300ms break transmitted.

                          BIT-MAPPED REGISTER S40

  Format                   AT [cmds] S40=n [cmds]

  Example:                 ATS40=0<CR>

  Default:                 Unidentified

  Range:                   0 - 163

  Unit:                    Bit-mapped

  Description:             Controls MNP block size, and break type.

       Bit          Value                       Function

       1, 0            00      Maximum MNP block size is 64 characters.

                       01      Maximum MNP block size is 128 characters.

                       10      Maximum MNP block size is 192 characters.

                       11      Maximum MNP block size is 256 characters.

     2, 3, 4           0       Not used.

     5, 6, 7           000     Online command mode enabled, send no break
                               to remote modem.
                       001
                               Break sent to remote modem and buffered
                       010     cleared.

                       011     Online command mode enabled, send no break
                               to remote modem.
                       100
                               Send break to remote modem immediately.
                      101
                               Online command mode enabled, send no break
                               to remote modem.

                               Send break with transmitted data.

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Example:       AT \B3 &W<CR>

  Range:         1-9

  Unit:          .1 second

  Description:   Sends break to modem.

                                BREAK TYPE

  Type:          Configuration

  Format:        AT [cmds] \Kn [cmds]

  Example:       AT \K5 <CR>

  Description:   Configures action of break signal.

    Command                              Function

      \K0        Online command mode enabled, send no break to remote
                 modem.

      \K1        Break sent to remote modem and buffered cleared.

      \K2        Online command mode enabled, send no break to remote
                 modem.

      \K3        Send break to remote modem immediately.

      \K4        Online command mode enabled, send no break to remote
                 modem.

      \K5        Send break with transmitted data.

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Example:       AT \V1 %C0 &W<CR>

  Description:   Selects data compression.

    Command                              Function

      %C0        Data compression disabled.

      %C1        Data compression enabled.

                                COMPRESSION

  Type:          Register

  Format:        AT [cmds] S41=n [cmds]

  Example:       AT S41=0 &W<CR>

  Description:   Selects data compression.

  Command                                Function

     S41=0       Data compression disabled.

     S41=1       Data compression enabled.

                               CONNECT MODE

  Type:          Configuration

  Format:        AT [cmds] \Nn [cmds]

  Example:       AT \N0 DT555-1212<CR>

  Description:   Sets connect mode.

    Command                              Function

      \N0        Normal mode enabled.

      \N1        Direct mode enabled.

      \N2        Reliable mode enabled.

      \N3        Auto-reliable mode enabled.

                         CONVERT TO RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \Y [cmds]

  Example:       AT \Y<CR>

  Description:   Initiates reliable mode link.

                                 ECHO DATA

  Type:          Configuration

  Format:        AT [cmds] \En [cmds]

  \Example:      AT \E0 <CR>

  Description:   Enables modem to echo received data.

    Command                              Function

      \E0        Data echo disabled.

      \E1        Data echo enabled.

                               ENTRY FORMAT

  Type:          Configuration

  Format:        AT [cmds] +En [cmds]

  Example:       AT +E1 &W<CR>

  Description:   Selects format flag.

  Command                                Function

      +E0        Reset format flag enabled.

      +E1        Binary format flag enabled.

      +E2        Hex format flag enabled.

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Example:       AT \V0 %C1<CR>

  Description:   Selects extended result codes.

    Command                              Function

      \V0        Extended result codes disabled.

      \V1        Extended result codes enabled.

                                 FAX MODE

  Type:          Configuration

  Format:        AT [cmds] +Fn [cmds]

  Example:       AT +F1 &W<CR>

  Description:   Controls fax mode.

  Command                                Function

      +F0        Fax mode disabled.

      +F1        Fax mode enabled, DTE rate set to nbps.

                               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

  Type:          Configuration

  Format:        AT [cmds] +Kn [cmds]

  Example:       AT +K4 &W<CR>

  Description:   Sets type of flow control used by DTE.

  Command                                Function

      +K0        Flow control disabled.

      +K3        CTS flow control to DTE enabled.

      +K4        XON/XOFF flow control enabled.

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Example:       AT \Q0 A <CR>

  Description:   Sets type of flow control used by modem.

    Command                              Function

      \Q0        Flow control disabled.

      \Q1        XON/XOFF flow control enabled.

      \Q2        CTS flow control to DTE enabled.

      \Q3        RTS/CTS flow control enabled.

                             INACTIVITY TIMER

  Type:             Configuration

  Format:           AT [cmds] \Tn [cmds]

  Example:          AT\T20<CR>

  Default:          Unidentified

  Range:            0-90

  Unit:             1 minute

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

                             LOCK SERIAL PORT

  Type:          Configuration

  Format:        AT [cmds] \Jn [cmds]

  Example:       AT %L3 %B14 \J0<CR>

  Description:   Sets operation of serial port speed.

    Command                              Function

      \J0        Serial speed locked.

      \J1        Serial speed follows connect speed.

                    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        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.

                         ON-LINE IN RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \O

  Example:       AT \O <CR>

  Description:   Returns to on-line and requests reliable mode
                 connection.

                          ON/OFF FAX TRANSMITTER

  Type:          Configuration

  Format:        AT [cmds] +Dn [cmds]

  Example:       AT +D2 &W<CR>

  Description:   Controls fax transmitter.

  Command                                Function

      +D0        Fax transmitter disabled.

      +D1        Fax transmitter V.21 enabled.

      +D2        Fax transmitter V.27/2400bps enabled.

      +D3        Fax transmitter V.27/4800bps enabled.

                             PAGES TO TRANSMIT

  Type:          Configuration

  Format:        AT [cmds] +Pn [cmds]

  Example:       AT+P6<CR>

  Default:       Unidentified

  Range:         1-255

  Unit:          1 page

  Description:   Sets the number of pages to be transmitted.

                                RESOLUTION

  Type:          Configuration

  Format:        AT [cmds] +Rn [cmds]

  Example:       AT +R0 &W<CR>

  Description:   Controls the resolution of fax transmission and
                 receiving.

  Command                                Function

      +R0        Normal resolution enabled.

      +R1        Fine resolution enabled.

                                   SPEED

  Type:          Configuration

  Format:        AT [cmds] +Bn [cmds]

  Example:       AT +B5 &W<CR>

  Description:   Selects fax baud rate.

  Command                                Function

      +B4        Transmit at 2400bps

      +B5        Transmit at 4800bps

      +B6        Transmit at 7200bps.

      +B7        Transmit at 9600bps.

                            SWITCH TO MNP MODE

  Type:          Immediate

  Format:        AT [cmds] \Z [cmds]

  Example:       AT \Z &W<CR>

  Description:   Switches to normal mode from MNP mode.

                                TEST MODES

  Format                  AT [cmds] S16=n [cmds]

  Example:                ATS16=0<CR>

  Default:                Unidentified

  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.

                                TEST MODES

  Type:            Immediate

  Format:          AT [cmds] +Tn [cmds]

  Example:         AT +T1 &W<CR>

  Description:     Selects the type of test the fax will perform.

  Command                                 Function

       +T0         Test mode disabled.

       +T1         Test mode 1, reports frames received in ASCII Hex.

       +T2         Test mode 2; reports frames received in ASCII Hex, KDV
                   output follows CD in fax CPM mode.

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  Example:       AT \X0 O<CR>

  Description:   Selects whether XON/XOFF signals are sent to remote
                 modem.

    Command                              Function

      \X0        XON/XOFF signals trapped by local modem.

      \X1        XON/XOFF passed through local modem.

