
BOCA RESEARCH, INC.

BOCAMODEM 14.4 PCMCIA (M144PA)

Card Type                    Fax, Modem (asynchronous)
Chip Set                     Unidentified
Maximum Data Rate
Maximum Fax Rate             14.4Kbps
Data Bus                     PCMCIA Type II
Fax Class                    Class I
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.42bis

                                                                      V1811

                         Proprietary AT Command Set

                           ACCEPT RELIABLE MODE

  Type:          Configuration

  Format:        AT [cmds] \U [cmds]

  Description:   Accepts remote modems request for reliable link

                        AUTO-FALLBACK/FALL-FORWARD

  Type:          Configuration

  Format:        AT [cmds] %Gn [cmds]

  Description:   Selects auto-fallback/fall-forward

    Command                              Function

      %G1        Auto-fallback/fall-forward disabled

      %G0        Auto-fallback/fall-forward enabled

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Configuration

  Format:                AT [cmds] %An [cmds]

  Default:               None

  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]

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

        Command                              Function

          \C0            Data is discarded

          \C1            Data is buffered for 4 seconds, 200 characters
                         or SYN detected, switch to reliable mode

          \C2            Data is discarded, switch to normal mode on
                         receipt of auto reliable fallback character and
                         pass character to DTE

                               AUTO-RETRAIN

  Type:          Configuration

  Format:        AT %En

  Description:   Selects auto-retrain mode

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                          BIT-MAPPED REGISTER S14

  Format               AT [cmds] S14=n [cmds]

  Default:             138

  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

   6,2              0  Display result codes in numeric format

                   1   Display result codes in verbose format

    3              0   Not used

    4               0  Dumb mode disabled

                   1   Dumb mode enabled

    5               0  Tone dial enabled

                   1   Pulse dial enabled

    7               0  Answer mode enabled

                   1   Originate mode enabled

                          BIT-MAPPED REGISTER S21

  Format                 AT [cmds] S21=n [cmds]

  Default:               48

  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, RJ-41S, or RJ45S jack

                     1   Selects RJ-12 or RJ-13 jack

     1               0   Not used

     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:             None

  Range:               0-255

  Unit:                Read only

  Description:         Displays speaker volume and controls, result codes
                       and make/break ratio

    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 and
                       dialtone detection enabled
                 110
                       All result codes except dialtone detection enabled
                111
                       All result codes enabled

     7             0   Make/Break pulse ratio is 39/61

                  1    Make/Break pulse ratio is 33/67

                          BIT-MAPPED REGISTER S23

  Format               AT [cmds] S23=n [cmds]

  Default:             None

  Range:               0-255

  Unit:                Read only

  Description:         Displays status of remote digital loopback, DTE
                       rate and parity and guard tone

    Bit      Value                          Function

     0             0   Remote digital loopback denied

                  1    Remote digital loopback allowed

  3, 2, 1        000   Sets serial port speed to 0-300bps

                 001   Sets serial port speed to 1200bps

                 010   Sets serial port speed to 2400bps

                 011   Sets serial port speed to 4800bps

                 100   Sets serial port speed to 7200bps

                 101   Sets serial port speed to 9600bps

                 110   Sets serial port speed to 19200bps

                111    Sets serial port speed to 38400bps

    5,4           00   Parity even

                  01   Not used

                  10   Parity odd

                 11    No Parity

   7, 6           00   Guard tone disabled

                  01   Guard tone 550 enabled

                 10    Guard tone 1800Hz enabled

                          BIT-MAPPED REGISTER S27

  Format               AT [cmds] S27=n [cmds]

  Default:             None

  Range:               0 - 127

  Unit:                Read only

  Description:         Displays status of 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 connect
                 010   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 DTE transmit clock source

                  01   External DTE transmit clock source

                 10    Slave DTE transmit clock source

    6              0   CCITT mode

                  1    Bell mode

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Default:       Unidentified

  Range:         0-9

  Unit:          .1 second

  Description:   Sends break to modem

                                BREAK TYPE

  Type:                Configuration

  Format:              AT [cmds] \Kn [cmds]

  Description:         Configures action of break signal

   Command      Connected in     Command      Command state      Break
                  Reliable       state in       in Direct       received
                   mode          Reliable         mode        from remote
                                  mode                           modem

     \K0        Online         Break sent     Send break to   Buffers
                command mode   to remote      remote modem    cleared,
                enabled,       modem and      immediately,    break sent
                send no        buffered       Online          to DTE
                break to       cleared        command mode
                remote modem                  enabled

     \K1        Break sent     Break sent     Send break to   Buffers
                to remote      to remote      remote modem    cleared,
                modem and      modem and      immediately     break sent
                buffered       buffered                       to DTE
                cleared        cleared

     \K2        Online         Send break     Send break to   Break sent
                command mode   to remote      remote modem    immediately
                enabled,       modem          immediately,    to DTE
                send no        immediately    Online
                break to                      command mode
                remote modem                  enabled

     \K3        Send break     Send break     Send break to   Break sent
                to remote      to remote      remote modem    immediately
                modem          modem          immediately     to DTE
                immediately    immediately

     \K4        Online         Send break     Send break to   Break sent
                command mode   with           remote modem    with
                enabled,       transmitted    immediately,    received
                send no        data           Online          data to the
                break to                      command mode    DTE
                remote modem                  enabled

     \K5        Send break     Send break     Send break to   Break sent
                with           with           remote modem    with
                transmitted    transmitted    immediately     received
                data           data                           data to the
                                                              DTE

                               CALLING TONE

  Type:                  Configuration

  Format:                AT [cmds] -Cn [cmds]

  Description:           Controls whether the DTE will allow the modem to
                         send a 1300Hz calling tone when originating

        Command                              Function

          -C0            Disable calling tone

          -C1            Enable calling tone

                                COMPRESSION

  Type:          Configuration

  Format:        AT %Cn

  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        MNP reliable mode enabled

      \N3        Auto-reliable mode enabled

      \N4        V.42 reliable mode enabled

                       CONVERT TO MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \Y [cmds]

  Description:   Converts to MNP reliable mode from normal or direct mode

                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Selects extended result codes

    Command                              Function

      \V0        Extended result codes disabled

      \V1        Modified MNP result codes enabled

      \V2        Extended V.42 result codes enabled

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Gn [cmds]

  Description:   Selects modem port flow control

    Command                              Function

      \G0        Flow control disabled

      \G1        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        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]

  Default:               0

  Range:                 0-90

  Unit:                  1 minute

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

                             INACTIVITY TIMER

  Type:                  Register

  Format:                AT [cmds] S90=n [cmds]

  Default:               0

  Range:                 0-255

  Unit:                  1 minute

  Description:           Sets the length of time that the modem does not
                         receive information before it disconnects. S90=0
                         will disable

                        INITIATE MNP RELIABLE MODE

  Type:          Immediate

  Format:        AT [cmds] \O [cmds]

  Description:   Initiates MNP reliable mode from normal or direct mode

                             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        MNP block size is 64 characters

      \A1        MNP block size is 128 characters

      \A2        MNP block size is 192 characters

      \A3        MNP block size is 256 characters

                            LINE SIGNAL QUALITY

  Type:          Immediate

  Format:        AT [cmds] %Q [cmds]

  Description:   Returns a value which indicates line signal quality

                           SWITCH TO NORMAL MODE

  Type:          Immediate

  Format:        AT [cmds] \Z [cmds]

  Description:   Switches to normal mode from MNP mode

                                TEST MODES

  Format             AT [cmds] S16=n [cmds]

  Default:           None

  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 disabled

                1    Local analog loopback enabled

    1           0    Not used

    2            0   Local digital loopback disabled

                1    Local digital loopback enabled

    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 disabled

                1    Remote digital loopback w/ self-test enabled

    6            0   Local analog loopback w/ self-test disabled

                1    Local analog loopback w/ self-test enabled

                                TEST TIMER

  Type:           Register

  Format          AT [cmds] S18=n [cmds]

  Default:        0

  Range:          0-255

  Unit:           1 second

  Description:    Sets the maximum duration for modem tests

            Note: S18=0 disables the timer and allows an indefinite
            duration.

                           V.42 DETECTION PHASE

  Type:          Configuration

  Format:        AT [cmds] -Jn [cmds]

  Description:   Controls V.42 detection

    Command                              Function

      -J0        V.42 detection disabled

      -J1        V.42 detection enabled

                        V.42bis COMPRESSION CONTROL

  Type:          Configuration

  Format:        AT [cmds] "Hn [cmds]

  Description:   Controls V.42bis data compression

    Command                              Function

      "H0        V.42bis disabled

      "H1        V.42bis when transmitting enabled

      "H2        V.42bis when receiving enabled

      "H3        V.42bis when transmitting/receiving enabled

                       V.42bis MAXIMUM STRING LENGTH

  Type:          Immediate

  Format:        AT [cmds] "On [cmds]

  Default:       16

  Range:         6-250

  Unit:          ASCII

  Description:   Selects string size for V.42bis compression

                           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

