
BOCA RESEARCH, INC.

PRO16SA

Card Type                    Modem (synchronous/asynchronous)
Chip Set                     Unidentified
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Bus                     Serial
Fax Class                    Class II
Data Modulation Protocol     Bell 103A/212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34

                             Rockwell V.FC
Fax Modulation Protocol      ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, MNP10, V.42, V.42bis

[Image]

                                CONNECTIONS

         Function            Label            Function            Label

  Mode button                 BT1      Serial port                 CN2

  Talk/Data button            BT2      Telephone line out          CN3

  DC power in                 CN1      Power switch                SW2

            Note: BT1 may be used to change the modem's speed when the
            command set is disabled.

                        USER CONFIGURABLE SETTINGS

                  Setting                      Label         Position

  Modem is configured for switched line         JP1          Pins 1 & 2
  mode                                                        closed

  Modem is configured for leased line mode      JP1          Pins 2 & 3
                                                              closed

  DTR normal (when %F1 set only)               SW1/1            Off

  DTR forced high (when %F1 set only)          SW1/1            On

  DSR normal (when %F1 set only)               SW1/2            Off

  DSR follows DTR (when %F1 set only)          SW1/2            On

  Test pattern disabled (when #F1 set and      SW1/3            Off
  SW1/4 off only)

  Test pattern enabled (when #F1 set and       SW1/3            On
  SW1/4 off only)

  Auto-answer enabled (when SW1/4 on)          SW1/3            Off

  Auto-answer disabled (when SW1/4 on)         SW1/3            On

  Command set enabled                          SW1/4            Off

  Command set disabled                         SW1/4            On

  Analog loopback test disabled (when #F1      SW1/5            Off
  set and SW1/4 off only)

  Analog loopback test enabled (when #F1       SW1/5            On
  set and SW1/4 off only)

  Modem will operate in asynchronous mode      SW1/5            Off
  (when SW1/4 on)

  Modem will operate in synchronous mode       SW1/5            On
  (when SW1/4 on)

  Remote digital loopback test disabled        SW1/6            Off
  (when #F1 set and SW1/4 off only)

  Remote digital loopback test enabled         SW1/6            On
  (when #F1 set and SW1/4 off only)

  Modem will operate in answer mode (when      SW1/6            Off
  SW1/4 on)

  Modem will operate in originate mode         SW1/6            On
  (when SW1/4 on)

                 COMMAND SET SELECTION (WHEN %F0 SET ONLY)

                   Setting                         SW1/1         SW1/2

         Asynchronous AT command set                Off           Off

       Asynchronous V.25bis command set             Off           On

    Synchronous V.25bis command set in HDLC         On            Off
                     mode

      Synchronous V.25bis command set in            On            On
              bisynchronous mode

                          DIAGNOSTIC LED(S)

    LED        Color      Status               Condition

     TD         Red      Blinking      Modem is transmitting data

     TD         Red         Off      Modem is not transmitting data

     RD         Red      Blinking       Modem is receiving data

     RD         Red         Off       Modem is not receiving data

     OH         Red         On             Modem is off-hook

     OH         Red         Off             Modem is on-hook

     CD         Red         On          Carrier signal detected

     CD         Red         Off       Carrier signal not detected

     AA         Red         On            Auto-answer enabled

     AA         Red         Off           Auto-answer disabled

     AA         Red      Blinking        Modem is in test mode

     TR         Red         On             DTR signal is high

     TR         Red         Off            DTR signal is low

                         DIAGNOSTIC LED(S) (CONT)

   1 Status       2 Status       3 Status              Condition

  Slow blink         Off            Off           Modem is connected at
                                                         300bps

  Slow blink         Off            On            Modem is connected at
                                                       1200/75bps

  Slow blink         On             Off           Modem is connected at
                                                        1200bps

  Slow blink         On             On            Modem is connected at
                                                        2400bps

      Off            On             On            Modem is connected at
                                                        4800bps

      On             Off            Off           Modem is connected at
                                                        7200bps

      On             Off            On            Modem is connected at
                                                        9600bps

      On             On             Off           Modem is connected at
                                                         12Kbps

      On             On             On            Modem is connected at
                                                        14.4Kbps

  Medium blink       On             Off           Modem is connected at
                                                        16.8Kbps

  Medium blink       Off            On            Modem is connected at
                                                        19.2Kbps

  Medium blink       On             On            Modem is connected at
                                                        21.6Kbps

  Fast blink         Off            Off           Modem is connected at
                                                         24Kbps

  Fast blink         On             Off           Modem is connected at
                                                        26.4Kbps

  Fast blink         On             On            Modem is connected at
                                                        28.8Kbps

      Off            Off        Slow blink        Modem is connected at
                                                  2400bps in fax mode

      Off            On         Slow blink        Modem is connected at
                                                  4800bps in fax mode

      On             Off        Slow blink        Modem is connected at
                                                  7200bps in fax mode

      On             On         Slow blink        Modem is connected at
                                                  9600bps in fax mode

      On         Slow blink     Slow blink        Modem is connected at
                                                  14.4Kbps in fax mode

                        SUPPORTED STANDARD COMMANDS

                             Basic AT Commands

  +++, comma, A/

  A, E, H, L, N, P, T, V, W, Z

  &D, &F, &G, &P, &R, &S, &T, &W, &X, &Y, &Z

                           Extended AT Commands

  \A, \B, \N, \Q, \T, \X

  %C, %E, %Q

                            Special AT Commands

  :E, *H, -K, )M, -Q

                                S-Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25,
  S26, S29, S30, S38, S95

                             V.25bis Commands

  The V.25bis command set is unidentified.

            Note: See MHI help file for complete information.

     UNIDENTIFIED COMMANDS

    Command         Default

       F         Unidentified

       \K              5

       &Q        Unidentified

       #R          Immediate

                         Proprietary AT Command Set

                              AUTO-RANGE TIME

  Type:          Register

  Format:        AT [cmds] S47=n [cmds]

  Default:       8

  Range:         1 - 255

  Unit:          1 second

  Description:   The function of this command is unidentified.

                               BREAK LENGTH

  Type:          Register

  Format:        AT [cmds] S43=n [cmds]

  Default:       15

  Range:         0 - 255

  Unit:          1 mS

  Description:   Sets the default length of transmitted break signals.

                          BUFFER FAILSAFE OVERRUN

  Type:          Register

  Format:        AT [cmds] S82=n [cmds]

  Default:       60

  Range:         1 - 255

  Unit:          1 byte

  Description:   The function of this command is unidentified.

                           BUFFER MAXIMUM LEVEL

  Type:                   Register

  Format:                 AT [cmds] S80=n [cmds]

  Default:                15

  Range:                  1 - 19

  Unit:                   5% of the total buffer space

  Description:            Sets the percentage of the buffer that must be
                          full before the modem sends the character or
                          signal to pause the data.

                           BUFFER MINIMUM LEVEL

  Type:                   Register

  Format:                 AT [cmds] S81=n [cmds]

  Default:                3

  Range:                  1 - 19

  Unit:                   5% of the total buffer space

  Description:            Sets the percentage of the buffer that must be
                          empty before the modem sends the character or
                          signal to restart the data.

                              BUFFER OVERFLOW

  Type:          Configuration

  Format:        AT [cmds] #On [cmds]

  Description:   Sets the modem's response when a buffer overflows.

    Command                              Function

      #O0        Modem drops incoming characters when buffer overflows.

      #O1        Modem disconnects when transmit buffer overflows.

      #O2        Modem disconnects when receive buffer overflows.

      #O3        Modem disconnects when either buffer overflows.

                              CALLBACK DELAY

  Type:                  Register

  Format:                AT [cmds] S27=n [cmds]

  Default:               0

  Range:                 0 - 255

  Unit:                  1 second

  Description:           Sets the amount of time that must elapse between
                         the modem disconnecting and beginning a callback
                         sequence.

                               CALLING TONE

  Type:                Configuration

  Format:              AT [cmds] #Cn [cmds]

  Description:         Controls whether the modem will send a V.25
                       calling tone when originating a call.

       Command                              Function

         #C0           Calling tone disabled.

         #C1           Calling tone enabled.

                                CLOCK START

  Type:                Configuration

  Format:              AT [cmds] &Hn [cmds]

  Description:         Selects when the modem begins generating a clock
                       signal when in synchronous mode.

       Command                              Function

         &H0           Clock signal always generated.

         &H1           Clock signal only generated after modem is
                       connected.

                           COMMAND LINE TIMEOUT

  Type:          Register

  Format:        AT [cmds] S69=n [cmds]

  Default:       60

  Range:         0 - 255

  Unit:          1 second

  Description:   The function of this register is unidentified.

                                COMMAND SET

  Type:           Immediate

  Format:         AT [cmds] #Mn [cmds]

  Description:    Selects the command set the modem will recognise.

     Command                              Function

       #M0         Asynchronous AT command set enabled.

       #M1         Asynchronous V.25bis command set enabled.

       #M2         Synchronous V.25bis command set enabled in HDLC mode.

       #M3         Synchronous V.25bis command set enabled in
                   bisynchronous mode.

                           COMMAND VERIFICATION

  Type:          Configuration

  Format:        AT [cmds] #Vn [cmds]

  Description:   Selects whether the modem verifies entered commands.

    Command                              Function

      #V0        Command verification disabled.

      #V1        Command verification enabled.

                            COMMUNICATIONS MODE

  Type:                Configuration

  Format:              AT [cmds] &Mn [cmds]

  Description:         Selects communications mode.

       Command                                Mode

         &M0           Modem operates in asynchronous mode.

         &M1           Modem operates in synchronous connect mode and
                       asynchronous off-line command mode.

         &M2           Modem operates in synchronous mode; DTR dialing
                       enabled.

         &M4           Modem operates in asynchronous mode; DTR dialing
                       enabled.

                              CONNECT MESSAGE

  Type:              Configuration

  Format:            AT [cmds] %Pn [cmds]

  Description:       Sets when DCD is raised compared to when the CONNECT
                     message is displayed.

      Command                              Function

        %P0          DCD is raised before CONNECT message is displayed.

        %P1          DCD is raised after CONNECT message is displayed.

                                CTS SIGNAL

  Type:          Configuration

  Format:        AT [cmds] %Kn [cmds]

  Description:   Controls the behaviour of the CTS signal.

    Command                              Function

      %K0        CTS normal.

      %K1        CTS forced low during dialing and handshaking.

                                CTS SIGNAL

  Type:          Configuration

  Format:        AT [cmds] %Rn [cmds]

  Description:   Controls the behaviour of the CTS signal.

    Command                              Function

      %R0        CTS signal controlled by &R command.

      %R1        CTS follows RTS.

      %R2        CTS follows DTR when off-line.

                                DATA LENGTH

  Type:           Configuration

  Format:         AT [cmds] &Bn [cmds]

  Description:    Selects the length of data words for the local serial
                  port.

    Command                              Function

      &B0         8 bit data words selected.

      &B1         9 bit data words selected.

      &B2         10 bit data words selected.

      &B3         11 bit data words selected.

      &B4         Modem auto-detects 10 or 11 bit word length.

                                DCD SIGNAL

  Type:          Configuration

  Format:        AT [cmds] &Cn [cmds]

  Description:   Controls the behaviour of the DCD signal.

    Command                              Function

      &C0        DCD forced high.

      &C1        DCD forced high after carrier signal is detected.

      &C2        DCD forced high except at disconnect.

      &C3        DCD forced high for voice mode.

                                DCD SIGNAL

  Type:          Configuration

  Format:        AT [cmds] %Tn [cmds]

  Description:   Controls the behaviour of the DCD signal.

    Command                              Function

      %T0        DCD normal.

      %T1        DCD forced high.

                              DES ENCRYPTION

  Type:                 Configuration

  Format:               AT [cmds] #En [cmds]

  Description:          Selects whether the modem will use DES
                        en/decryption on transmitted and received data.

        Command                             Function

          #E0           DES encryption disabled.

          #E1           DES encryption enabled.

                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#>;[cmds]

  Description:           Dials the telephone number indicated according
                         to any modifiers included in the string.

        Command                              Function

           DF            Calling tone disabled for this call.

           DJ            MNP10 link will be negotiated at 1200bps for
                         this call.

           DK            MNP10 power level adjustment enabled for this
                         call.

           DL            Re-dial last number.

           DM            Make a LAPM reliable mode connection this call.

           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.

           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 Quiet 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^            Calling tone disabled for this call.

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

                              DIRECT CALLING

  Type:             Configuration

  Format:           AT [cmds] #Dn [cmds]

  Description:      Selects whether the modem may use V.25bis direct
                    calling procedures.

      Command                             Function

        #D0         V.25bis direct calling procedures disabled.

        #D1         V.25bis direct calling procedures enabled.

                           DIRECT MODE FALLBACK

  Type:            Configuration

  Format:          AT [cmds] \Jn [cmds]

  Description:     Selects whether the modem is allowed to fall back to
                   direct mode.

     Command                              Function

       \J0         Direct mode fallback disabled.

       \J1         Direct mode fallback enabled.

                             DISCONNECT CAUSE

  Type:           Register (read-only)

  Format:         AT [cmds] S42? [cmds]

  Description:    The meanings of the values for this register are
                  unidentified.

                     DISCONNECT CAUSE - PREVIOUS CALL

  Type:           Register (read-only)

  Format:         AT [cmds] S74? [cmds]

  Description:    The meanings of the values for this register are
                  unidentified.

                             DISCONNECT DELAY

  Type:          Configuration

  Format:        AT [cmds] %Dn [cmds]

  Default:       0

  Range:         Unidentified

  Unit:          1 second

  Description:   Sets the delay before disconnection.

                   DISPLAY CONFIGURATION AND STATISTICS

  Type:                Immediate

  Format:              AT [cmds] \S [cmds]

  Description:         Displays the settings of all commands and
                       statistics about the current connection.

                            DISPLAY INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested about the modem.

    Command                              Function

       I0        Displays product identification code.

       I1        Displays ROM checksum.

       I2        Tests and displays ROM checksum result.

       I3        Displays modem manufacturer.

       I4        Displays firmware revision and release date.

       I5        Displays manufacturer information.

       I9        Displays firmware model.

                             DISPLAY PROFILES

  Type:             Immediate

  Format:           AT [cmds] &Vn [cmds]

  Description:      Displays the configuration profile indicated.

     Command                              Function

        &V          Displays current command settings.

       &V0          Displays stored profile 0.

       &V1          Displays stored profile 1.

       &V2          Displays stored profile 2.

       &V3          Displays stored profile 3.

       &V8          Displays the differences between the active and the
                    default profile.

                                DSR SIGNAL

  Type:          Configuration

  Format:        AT [cmds] %Sn [cmds]

  Description:   Controls the behaviour of the DSR signal.

    Command                              Function

      %S0        DSR normal.

      %S1        DSR follows DTR.

                           EXTENDED RESULT CODES

  Type:              Configuration

  Format:            AT [cmds] %Un [cmds]

  Description:       Selects which extended result codes the modem will
                     display.

      Command                              Function

        %U0          /REL result codes will be displayed for all error
                     correction connections.

        %U1          V.42 result codes will be displayed.

        %U2          V.42 and V.42bis, MNP2 - 5, MNP10, and DES result
                     codes will be displayed.

                       EXTENDED RESULT CODES - /REL

  Type:          Configuration

  Format:        AT [cmds] \Vn [cmds]

  Description:   Selects /REL extended result codes.

    Command                              Function

      \V0        /REL result codes disabled.

      \V1        /REL result codes enabled.

      \V8        Extended result codes enabled.

      \V9        Extended result codes enabled with diagnostic
                 information.

                         FLASH DIAL MODIFIER TIME

  Type:                Register

  Format               AT [cmds] S100=n [cmds]

  Default:             5

  Range:               1 - 10

  Unit:                .1 second

  Description:         Time the modem will go on-hook upon receiving the
                       ! dial modifier in dial string.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Selects the type of flow control the modem will use.

    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.

      &K9        Failsafe flow control enabled.

                   FRONT PANEL SWITCHES SW1/1 AND SW1/2

  Type:           Configuration

  Format:         AT [cmds] %Fn [cmds]

  Description:    Controls the function of front panel switches SW1/1 and
                  SW1/2.

     Command                              Function

       %F0         Switches SW1/1 and SW1/2 control V.25bis settings.

       %F1         Switches SW1/1 and SW1/2 control DSR and DTR settings.

                             FRONT PANEL TESTS

  Type:                  Configuration

  Format:                AT [cmds] #Fn [cmds]

  Description:           Selects whether the front panel switches may be
                         used to cause the modem to enter a test mode.

        Command                              Function

          #F0             Front panel test modes disabled.

          #F1             Front panel test modes enabled.

                                   HELP

  Type:          Immediate

  Format:        AT [cmds] ? [cmds]

  Description:   Displays help on the modem's commands.

                            HELP SCREEN LENGTH

  Type:                  Register

  Format:                AT [cmds] S97=n [cmds]

  Default:               24

  Range:                 1 - 255

  Unit:                  1 line

  Description:           Sets the number of lines of text of the help
                         screen the modem will display before pausing.

                             HELP SCREEN WIDTH

  Type:                 Register

  Format:               AT [cmds] S96=n [cmds]

  Default:              80

  Range:                1 - 255

  Unit:                 1 column

  Description:          Sets the number of characters wide the modem will
                        format the help screen to display.

                        INTERRUPT DIALING SEQUENCE

  Type:               Configuration

  Format:             AT [cmds] &Nn [cmds]

  Description:        Selects whether a dial or connect sequence may be
                      interrupted by user input.

      Command                              Function

        &N0           Dial interrupt disabled.

        &N1           Dial interrupt enabled.

                                 LED MODE

  Type:            Configuration

  Format:          AT [cmds] %Mn [cmds]

  Description:     Sets what the front-panel LEDs indicate.

     Command                              Function

       %M0         LEDs indicate line speed.

       %M1         LEDs indicate line quality, V.42 and MNP errors, and
                   flow control.

                                 LINE TYPE

  Type:           Configuration

  Format:         AT [cmds] &Ln [cmds]

  Description:    Selects the type of telephone line the modem is
                  connected to.

     Command                             Function

       &L0        Modem is connected to switched line.

       &L1        Modem is connected to leased line.

       &L2        Modem is connected to leased line in auto-originate
                  mode.

       &L3        Modem is connected to leased line in auto-answer mode.

                          LOCAL SERIAL PORT SPEED

  Type:          Configuration

  Format:        AT [cmds] Rn [cmds]

  Description:   Sets the speed of the local serial port.

    Command                              Function

       R9        Set local serial port speed to 9600bps.

      R14        Set local serial port speed to 14.4Kbps.

      R19        Set local serial port speed to 19.2Kbps.

      R28        Set local serial port speed to 28.8Kbps.

      R38        Set local serial port speed to 38.4Kbps.

      R57        Set local serial port speed to 57.6Kbps.

      R115       Set local serial port speed to 115.2Kbps.

      R230       Set local serial port speed to 230.4Kbps.

                  LOCAL SERIAL PORT SPEED - NON-STANDARD

  Type:             Configuration

  Format:           AT [cmds] %Nn [cmds]

  Description:      Selects non-standard serial port speeds above
                    14.4Kbps.

      Command                             Function

        %N0         Standard serial port speeds used.

        %N1         Speeds above 14.4Kbps are 20.8Kbps, 41.6Kbps, and
                    62.4Kbps.

        %N2         Speeds above 14.4Kbps are 19.2Kbps, 28.8Kbps,
                    38.4Kbps, and 51.2Kbps.

                  LOCAL SERIAL PORT SPEED - V.25bis MODE

  Type:           Configuration

  Format:         AT [cmds] #Qn [cmds]

  Description:    Sets the speed of the local serial port when in V.25bis
                  mode.

    Command                              Function

      #Q9         Set local serial port speed to 9600bps.

      #Q14        Set local serial port speed to 14.4Kbps.

      #Q19        Set local serial port speed to 19.2Kbps.

      #Q28        Set local serial port speed to 28.8Kbps.

      #Q38        Set local serial port speed to 38.4Kbps.

      #Q57        Set local serial port speed to 57.6Kbps.

     #Q115        Set local serial port speed to 115.2Kbps.

     #Q230        Set local serial port speed to 230.4Kbps.

                                   MNP10

  Type:             Configuraion

  Format:           AT [cmds] #Kn [cmds]

  Description:      Selects whether the modem will attempt to use MNP10
                    error correction.

      Command                             Function

        #K0         MNP10 disabled.

        #K1         MNP10 enabled.

        #K2         MNP10 enabled for cellular connections only.

                          MNP10 LINK NEGOTIATION

  Type:                Configuration

  Format:              AT [cmds] %Hn [cmds]

  Description:         Sets the speed at which MNP10 link negotiation
                       will occur.

       Command                              Function

         %H0           Link will be negotiated at speed set by B command.

         %H1           Link will be negotiated at 1200bps.

         %H2           Link will be negotiated at 4800bps.

         %H3           Link will be negotiated at 9600bps.

         %H9           Link will be negotiated at speed set by B command
                       and modem will not fall forward.

                                  ON-LINE

  Type:           Immediate

  Format:         AT [cmds] On

  Description:    Instructs the modem to return to the on-line state.

  Note:           O3 through O7 are only valid for V.32 and V.32bis
                  connections.

     Command                             Function

       O0         Return to on-line state.

       O1         Return to on-line state and initiate retrain sequence.

       O2         Initiate retrain sequence.

       O3         Re-negotiate speed to 4800bps and return to on-line
                  state.

       O4         Re-negotiate speed to 7200bps and return to on-line
                  state.

       O5         Re-negotiate speed to 9600bps and return to on-line
                  state.

       O6         Re-negotiate speed to 12Kbps and return to on-line
                  state.

       O7         Re-negotiate speed to 14.4Kbps and return to on-line
                  state.

                              PROTOCOL/SPEED

  Type:             Configuration

  Format:           AT [cmds] Bn [cmds]

  Description:      Selects the protocol and speed the modem will attempt
                    to connect at.

     Command                              Function

        B0          Select protocol specified by #B at 1200bps.

        B1          Auto-detect the highest common connect speed.

        B2          Select protocol specified by #B at 1200bps.

        B3          Select V.21 at 300bps speed.

        B4          Select Bell 103 at 300bps speed.

        B5          Select V.23 at 1200/75bps speed.

        B6          Select V.22 at 1200bps speed.

        B7          Select Bell 212A at 1200bps speed.

        B8          Select V.22bis at 2400bps speed.

        B9          Auto-detect the highest common connect speed.

       B10          Select V.32 at 4800bps speed.

       B11          Select V.32bis at 7200bps speed.

       B12          Select V.32bis uncoded at 9600bps speed.

       B13          Select V.32bis at 9600bps speed.

       B14          Select V.32bis at 12Kbps speed.

       B15          Select V.32bis at 14.4Kbps speed.

       B16          Select V.34 at 14.4Kbps speed.

       B17          Select V.34 at 16.8Kbps speed.

       B18          Select V.34 at 19.2Kbps speed.

       B19          Select V.34 at 21.6Kbps speed.

       B20          Select V.34 at 24Kbps speed.

       B21          Select V.34 at 26.4Kbps speed.

       B22          Select V.34 at 28.8Kbps speed.

                          PROTOCOL/SPEED MODIFIER

  Type:                  Configuration

  Format:                AT [cmds] #Bn [cmds]

  Description:           Selects the communication protocol for low-speed
                         data calls.

        Command                              Protocol

          #B0            B2 indicates modem will use ITU-T V.22 at
                         1200bps; B0 indicates modem will use V.23 at
                         1200bps.

          #B1            B0 indicates modem will use ITU-T V.22 at
                         1200bps; B2 indicates modem will use V.23 at
                         1200bps.

                           REMOTE CONFIGURATION

  Type:            Configuration

  Format:          AT [cmds] #An [cmds]

  Description:     Sets whether the modem will allow remote configuration
                   sessions.

     Command                              Function

       #A0         Remote configuration disabled.

       #A1         Remote configuration enabled.

       #A2         Remote configuration enabled and configuration
                   password required.

                      REMOTE CONFIGURATION CHARACTER

  Type:                  Register

  Format:                AT [cmds] S67=n [cmds]

  Default:               42

  Range:                 0 - 127

  Unit:                  1 ASCII character

  Description:           Defines the character that, when sent four times
                         within the guard time set by S12, will notify
                         the modem that a remote configuration session
                         has been requested.

                 REMOTE CONFIGURATION SEQUENCE GUARD TIME

  Type:                  Register

  Format                 AT [cmds] S66=n [cmds]

  Default:               10

  Range:                 1 - 255

  Unit:                  .1 second

  Description:           Maximum allowable time between remote
                         configuration character sequence initiation and
                         completion for the remote configuration sequence
                         to be executed.

                       REMOTE CONFIGURATION SEQUENCE

  Type:                  Immediate

  Format:                ****<WAIT>

  Description:           Initiates the remote configuration escape
                         sequence, requesting to begin a remote
                         configuration session with the remote modem. The
                         modem must receive the four characters set with
                         the S67 command within the time allotted by S66.

  Note:                  Do not precede this command with AT.

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] Qn [cmds]

  Description:   Enables modem to send result codes to the DTE.

    Command                              Function

       Q0        Result codes enabled.

       Q1        Result codes disabled.

       Q2        Result codes enabled in originate mode only.

                               RESULT CODES

  Type:                  Configuration

  Format:                AT [cmds] Xn [cmds]

  Description:           Enables selection of tone detection and
                         associated result code format options.

        Command                              Function

           X0            Busy and dial tone detection disabled; basic
                         result codes only enabled.

           X1            Busy and dial tone detection disabled; basic
                         result codes with connect speed enabled.

           X2            Busy tone detection disabled, dial tone
                         detection enabled; basic result codes with
                         connect speed enabled.

           X3            Busy tone detection enabled, dial tone detection
                         disabled; basic result codes with connect speed
                         enabled.

           X4            Busy and dial tone detection enabled; basic
                         result codes with connect speed enabled.

           X5            Busy and dial tone detection enabled; basic
                         result codes with connect speed enabled; RINGING
                         response enabled..

           X6            Busy tone detection enabled, dial tone detection
                         disabled; basic result codes with connect speed
                         enabled; RINGING response enabled.

                            SECURITY MENU MODE

  Type:          Immediate

  Format:        AT [cmds] #S

  Description:   Commands the modem to enter security menu mode.

                               SPEAKER MODE

  Type:                Configuration

  Format:              AT [cmds] Mn [cmds]

  Description:         Selects various speaker options.

       Command                             Function

         M0            Speaker disabled.

         M1            Speaker enabled until carrier signal detected.

         M2            Speaker enabled.

         M3            Speaker enabled following dialing, then disabled
                       after carrier signal detected.

         M4            Speaker enabled during dialing, answering, and
                       line speed changes.

                         SYNCHRONOUS MODE ENCODING

  Type:                  Configuration

  Format:                AT [cmds] #Nn [cmds]

  Description:           Selects the type of character encoding the modem
                         will use when in synchronous V.25bis mode.

        Command                              Function

          #N0             Modem will use NRZ encoding.

          #N1             Modem will use NRZI encoding.

                            TRANSMISSION LEVEL

  Type:                  Configuration

  Format:                AT [cmds] %Ln [cmds]

  Default:               Unidentified

  Range:                 11 - 19

  Unit:                  -1 dBm

  Description:           Sets the signal level for transmission. If no
                         value is given the current transmission level is
                         displayed.

                              V.13 REMOTE RTS

  Type:          Configuration

  Format:        AT [cmds] *Rn [cmds]

  Description:   Toggles V.13 remote RTS signaling.

                     V.22bis AND BELOW EQM THRESHHOLD

  Type:            Register

  Format:          AT [cmds] S45=n [cmds]

  Default:         98

  Range:           0 - 255

  Unit:            Unidentified

  Description:     Sets the quality threshhold for connections at V.22bis
                   and below.

                          V.22bis ON LEASED LINE

  Type:                  Configuration

  Format:                AT [cmds] #In [cmds]

  Description:           Selects whether the modem will use the switched
                         line standard for V.22bis modulation when
                         operating over a leased line connection.

        Command                              Function

          #I0             Modem will use leased line V.22bis over leased
                          lines.

          #I1             Modem will use switched line V.22bis over
                          leased lines.

                           V.25bis CHARACTER SET

  Type:            Configuration

  Format:          AT [cmds] #Un [cmds]

  Description:     Selects the character set the modem will use when in
                   V.25bis mode.

     Command                              Function

       #U0          Modem will use ASCII characters.

       #U1          Modem will use EBCDIC characters.

                       V.25bis IGNORE INCOMING CALL

  Type:          Register

  Format:        AT [cmds] S71=n [cmds]

  Default:       0

  Range:         0 - 30

  Unit:          1 second

  Description:   The function of this register is unidentified.

                      V.32 AND V.32bis EQM THRESHHOLD

  Type:            Register

  Format:          AT [cmds] S33=n [cmds]

  Default:         3

  Range:           0 - 255

  Unit:            Unidentified

  Description:     Sets the quality threshhold for connections at V.32
                   and V.32bis.

                                 V.34 MODE

  Type:          Configuration

  Format:        AT [cmds] *Cn [cmds]

  Description:   Selects whether the modem will use V.34 mode.

    Command                              Function

      *C0        V.34 mode enabled.

      *C1        V.34 mode disabled; V.FC used for 28.8Kbps connections..

                           V.42 DETECTION PHASE

  Type:             Configuration

  Format:           AT [cmds] #Jn [cmds]

  Description:      Selects whether the modem will go through the V.42
                    detection phase.

     Command                              Function

       #J0          V.42 detection phase disabled.

       #J1          V.42 detection phase enabled.

                         V.42 DETECTION PHASE TIME

  Type:          Register

  Format:        AT [cmds] S62=n [cmds]

  Default:       75

  Range:         0 - 255

  Unit:          10 mS

  Description:   Sets the length of the V.42 detection phase.

                         VOICE - DEAD MAN TIMEOUT

  Type:          Register

  Format:        AT [cmds] S105=n [cmds]

  Default:       30

  Range:         0 - 255

  Unit:          1 second

  Description:   The function of this command is unidentified.

                              WELCOME MESSAGE

  Type:                  Configuration

  Format:                AT [cmds] *Wxxxx|xxxx [cmds]

  Description:           Sets the welcome message displayed to incoming
                         connections. The vertical bar (|) character may
                         be used to specify line breaks. The message must
                         be 80 characters or less.

                          WELCOME MESSAGE DISPLAY

  Type:                 Configuration

  Format:               AT [cmds] %Wn [cmds]

  Description:          Selects whether the modem will display the
                        welcome message to incoming connections.

  Note:                 See the *W command for more information.

       Command                              Function

         %W0            Welcome message will not be displayed.

         %W1            Welcome message will be displayed.

