
MAXTECH CORPORATION

MAXTECH V.32BIS EXTERNAL

Card Type                    Modem(synchronous/asynchronous)
Chip Set                     Unidentified
Maximum Data Rate            14.4Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     External
Fax Class                    Class I & II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis
Fax Modulation Protocol      ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis

[Image]

                                CONNECTIONS

         Function           Label             Function             Label

  Line in                        CN1       DC power                 CN4

  Line out                       CN2       Power switch             SW1

  RS-232/422                     CN3

                             DIAGNOSTIC LED(S)

   LED       Color      Status                   Condition

   TST        Red         On                  Normal operation

   TST        Red       Blinking        Error detected and corrected

    HS        Red         On          Modem is operating at 4800bps or
                                                   faster

    HS        Red         Off         Modem is operating at slower than
                                                  4800bps

    AA        Red         On                Auto-answer enabled

    AA        Red         Off               Auto-answer disabled

    AA        Red       Blinking              Phone is ringing

    CD        Red         On              Carrier signal detected

    CD        Red         Off           Carrier signal not detected

    OH        Red         On                 Modem is off-hook

    OH        Red         Off                 Modem is on-hook

    RD        Red         On              Modem is receiving data

    RD        Red         Off           Modem is not receiving data

    SD        Red         On             Modem is transmitting data

    SD        Red         Off          Modem is not transmitting data

    TR        Red         On                 DTR signal is high

    TR        Red         Off                DTR signal is low

    MR        Red         On                    Power is on

    MR        Red         Off                   Power is off

                         Proprietary AT Command Set

                           ACCEPT RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \Un

  Description:   Accepts remote modems request for reliable link

                               AUTO CONNECT

  Type:          Configuration

  Format:        AT [cmds] %Pn [cmds]

  Description:   Modem automatically dials number stored by &Z0 on power
                 up

    Command                              Function

      %P0        Auto connect disabled

      %P1        Auto connect enabled

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT %En

  Description:   Selects auto-retrain mode.

    Command                              Function

      %E0        Auto-retrain disabled.

      %E1        Auto-retrain enabled.

                  AUTO-RELIABLE TIME BUFFER CONFIGURATION

  Type:              Configuration

  Format:            AT [cmds] \Cn [cmds]

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

     Command                              Function

       \CO          Data is discarded

       \C1          Data is buffered

       \C2          Data is discarded, sets to normal mode

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:            Configuration

  Format:          AT [cmds] %An [cmds]

  Default:         Unidentified

  Range:           0-127

  Unit:            ASCII

  Description:     Sets the character used as the auto-reliable fallback
                   character

                          BIT-MAPPED REGISTER S14

  Format              AT [cmds] S14=n [cmds]

  Default:            154

  Range:              0 - 190

  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             1   Dumb mode disabled

                 1    Dumb mode enabled

    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:               Unidentified

  Range:                 0 - 255

  Unit:                  Bit-mapped

  Description:           Selects originate only, switched/leased line,
                         CTS signal, low DTR action, DCD signal, DSR
                         signal, and long space disconnect

   Bit        Value                         Function

    0                0   Originate only disabled

                    1    Originate only enabled

    1                0   Switched line

                    1    Leased line

    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]

  Default:              118

  Range:                0 - 255

  Unit:                 Bit-mapped.

  Description:          Controls volume and speaker settings, result
                        codes, and make/break pulse ratio

    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 carrier signal detected

                   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

     7              0   39/61ms at 10pps (North America)

                   1    33/67ms at 10pps (Europe)

                          BIT-MAPPED REGISTER S23

  Format           AT [cmds] S23=n [cmds]

  Default:         5

  Range:           0-255

  Unit:            Bit-mapped.

  Description:     Controls DTE rate and parity, and sets guard tone

   Bit    Value                           Function

  3, 2,     0000   Sets serial port speed to 300bps

  1, 0      0001   Not used

            0010   Sets serial port speed to 1200bps

            0011   Sets serial port speed to 2400bps

            0100   Sets serial port speed to 4800bps

            0101   Sets serial port speed to 9600bps

            0110   Sets serial port speed to 14.4Kbps

            0111   Sets serial port speed to 19.2Kbps

            1000   Sets serial port speed to 38.4Kbps

            1001   Sets serial port speed to 57.6Kbps

           1010    Sets serial port speed to 115.2Kbps

   5,4        00   Parity even

              01   Space parity

              10   Parity odd

             11    Mark or no parity

  7, 6        00   550Hz guard tone enabled

              01   1800Hz guard tone enabled

             10    Not used

                          BIT-MAPPED REGISTER S27

  Format                 AT [cmds] S27=n [cmds]

  Default:               Unidentified

  Range:                 0-251

  Unit:                  Bit-mapped

  Description:           Selects sync/async mode, clock source and speed

    Bit       Value                          Function

   1, 0              00  Asynchronous operation

                     01  Synchronous connect mode

                     10  Synchronous operation

                    11   Synchronous on high DTR

   3, 2              00  Internal DTE transmit clock source

                     01  External DTE transmit clock source

                     10  Slave DTE transmit clock source

                    11   Not used

   7, 6,           0000  Connect at 300bps
   5, 4
                   0001  Connect at 1200bps

                   0010  Connect at 2400bps

                   0011  Not used

                   0100  Connect at 4800bps

                   0101  Connect at 9600bps

                   0110  Not used

                   0111  Not used

                   1000  Not used

                   1001  Not used

                   1010  Not used

                   1011  Not used

                   1100  Connect at 7200bps

                   1101  Connect at 1200 bps

                   1110  Connect at 14.4Kbps

                  1111   Not used

                          BIT-MAPPED REGISTER S28

  Format:            AT [cmds] S28=n [cmds]

  Default:           16

  Range:             147

  Description:       Auto connect, callback, Bell/ITU-T protocol

     Bit      Value                         Function

      0             0  Power on auto connect disabled

                   1   Power on auto connect enabled

    2, 1           00   Callback disabled

                   01   Callback enabled

                   10   Password check enabled

                  11    Not used

      3            0    Not used

    7, 6,        0000   ITU-T protocol

    5, 4         0001   Bell protocol

                 0010   Autoscan

                 0011   V.23 only

                 0100   Bell 103 only

                 0101   V.22/Bell 212A only

                 0110   V.22bis only

                 0111   V.32 4800bps only

                 1000   V.32 9600bps only

                 1001   V.32bis only

                 1010   Not used

                 1011   Not used

                 1100   Not used

                 1101   Not used

                 1110   Not used

                1111    Not used

                                   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.

                                CLEAR DOWN

  Type:          Configuration

  Format:        AT [cmds] %Dn [cmds]

  Description:   Sends clear down signal when terminating a connection

    Command                              Function

      %D0         Clear down disabled

      %D1         Clear down enabled

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  Description:   Selects data compression

    Command                              Function

      %C0        V.42bis/MNP5 data compression disabled

      %C1        V.42bis/MNP5 data compression enabled

                               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 mode only enabled.

      \N3        MNP or normal mode enabled.

      \N4        V.42 mode only enabled.

      \N5        V.42 or MNP enabled.

      \N6        V.42, MNP and normal modes enabled.

                         CONVERT TO RELIABLE MODE

  Type:          Configuration

  Format:        AT [cmds] \Y [cmds]

  Description:   Switch to reliable link from normal 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

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Enables transmission of result codes.

    Command                              Function

      \V0        Disable sending extended result codes and report DCE
                 speed

      \V1        Send extended result codes and report DCE speed

      \V2        Disable sending extended result codes and report DTE
                 speed

      \V3        Send extended result codes and report DTE speed

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Description:   Selects DCE flow control

    Command                              Function

      \G0        DCE flow control disabled

      \G1        DCE flow control 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        Bidirectional XON/XOFF flow control enabled

      \Q2        CTS flow control by DCE enabled

      \Q3        Bidirectional CTS/RTS flow control enabled

      \Q4        XON/XOFF flow control by DCE enabled

                             INACTIVITY TIMER

  Type:                  Configuration

  Format:                AT [cmds] \Tn [cmds]

  Default:               0

  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]

  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]

  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:          Configuration

  Format:        AT [cmds] \O

  Description:   Request reliable mode connection

                             PASSWORD/CALLBACK

  Type:                Configuration

  Format:              AT [cmds] %Sn [cmds]

  Description:         Modem checks password, disconnects and calls
                       stored number

       Command                              Function

         %S1           Request password

         %S2           Request password, request stored number location,
                       disconnect, dial stored number

                               PASSWORD SET

  Type:          Configuration

  Format:        AT [cmds] \P=n [cmds]

  Unit:          Up to 7 ASCII characters

  Description:   Stores password. \P=? displays stored password.

                           SWITCH TO NORMAL MODE

  Type:          Immediate

  Format:        AT [cmds] \Z [cmds]

  Description:   Empty buffers, switch from reliable to normal mode

                                TEST STATUS

  Format:          AT [cmds] S16=n [cmds]

  Default:         Read-only

  Range:           0 - 255

  Unit:            Bit-mapped

  Description:     Contains status of loopback tests.

   Bit    Value                           Function

    0          0   Local analog loopback test not in progress.

              1    Local analog loopback test in progress.

    1          0   Clear down signal disabled

              1    Clear down signal enabled

    2          0   Local digital loopback test not in progress.

              1    Local digital loopback test in progress.

    3         0    Not used

  5, 4        00   Disable sending extended result codes and report DCE
                   speed
              01
                   Send extended result codes and report DCE speed
              10
                   Disable sending extended result codes and report DTE
             11    speed

                   Disable sending extended result codes and report DCE
                   speed

                              TRANSMIT LEVEL

  Type:          Configuration

  Format:        AT [cmds] %Ln [cmds]

  Default:       12

  Range:         0-15

  Unit:          -1 dBm

  Description:   Selects transmit level

                           XON/XOFF PASS-THROUGH

  Type:          Configuration

  Format:        AT [cmds] \Xn [cmds]

  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

