
MOTOROLA, INC.

V.3600

Card Type                    Modem
Chip Set                     Motorola
I/O Options                  25-pin DTE port, line in, line out
Maximum Data Rate            33.6Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation Protocol     Bell 103, 212A

                             ITU-T V.21, V.22, V.22bis, V.27, V.29, V.32,
                             V.32bis, V.33, V.34
Fax Modulation Protocol      ITU-T V.17, V.21 CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I
Data Bus                     External

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Line out                       CN1       Power cord               CN4

  Line in                        CN2       Power switch             SW1

  25-pin DTE port                CN3

                             DIAGNOSTIC LED(S)

   LED         Color         Status                 Condition

    TR      Unidentified       On              DTR signal is high

    TR      Unidentified      Off               DTR signal is low

    CS      Unidentified       On              CTS signal is high

    CS      Unidentified      Off               CTS signal is low

    RS      Unidentified       On              RTS signal is high

    RS      Unidentified      Off               RTS signal is low

    CD      Unidentified       On        Carrier signal detected or error
                                        correction negotiation completed

    CD      Unidentified      Off          Carrier signal not detected

    RD      Unidentified       On            Modem is receiving data

    RD      Unidentified      Off          Modem is not receiving data

    TD      Unidentified       On          Modem is transmitting data

    TD      Unidentified      Off        Modem is not transmitting data





                         SUPPORTED COMMAND SET

                           Basic AT Commands

  +++, comma, A/

       A, E, F, M, O, V, X

  &G, &P, &T, &W, &X, &Y

                          Extended AT Commands

  \A, \G, \T, \X, \V

  %A

                              S-Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S22



            Note: See MHI documentation for complete information.

                         PROPRIETARY AT COMMAND SET

                            COMMUNICATIONS MODE

  Type:              Configuration

  Format:            AT [cmds] &Mn [cmds]

  Description:       Selects the active communications mode.

      Command                              Function

        &M0          Asynchronous command and data modes.

        &M1          Asynchronous command and synchronous connect mode.

        &M2          DTR dialing enabled and synchronous connect mode.

        &M3          Manual dialing only and synchronous connect mode.

        &M4          V.25bis BISYNC command and synchronous connect mode
                     (ASCII).

        &M5          V.25bis SDLC command and synchronous connect mode
                     (NRZ).

        &M6          V.25bis asynchronous command and synchronous connect
                     mode.

        &M7          V.25bis asynchronous command and asynchronous
                     connect mode.

        &M8          V.25bis BISYNC command and synchronous connect mode
                     (EBCDIC).

        &M9          V.25bis asynchronous command and synchronous connect
                     mode (EBCDIC, NRZ).

       &M10          V.25bis SDLC command and synchronous connect mode
                     (ASCII, NRZ).

       &M11          V.25bis SDLC command and synchronous connect mode
                     (EBCDIC, NRZ).

                          CONFIGURATION PROFILES

  Type:          Immediate

  Format:        AT [cmds] &V [cmds]

  Description:   Displays active and stored configuration profiles

    Command                              Function

      &V0        Displays configuration profiles

      &V1        Displays received signal options

      &V2        Displays active profile

                                CTS SIGNAL

  Type:          Configuration

  Format:        AT [cmds] &Rn [cmds]

  Description:   Selects the function of the CTS signal.

    Command                              Function

      &R0        RTS to CTS delay enabled.

      &R1        CTS forced high.

      &R2        CTS follows CD.

      &R9        CTS follows RTS.





                         DATA TERMINAL READY (DTR)

  Type:          Configuration

  Format:        AT [cmds] &Dn [cmds]

  Description:   Selects modem response to DTR

    Command                              Function

      &D0        DTR override

      &D1        DTR toggle causes online command mode

      &D2        Normal DTR operations

      &D3        Resets on receipt of DTR

                                DCD SIGNAL

  Type:           Configuration

  Format:         AT [cmds] &Cn [cmds]

  Description:    Configures the behavior of the DCD signal.

    Command                              Function

      &C0         DCD forced high.

      &C1         DCD normal.

      &C2         DCD forced high except during handshaking and
                  disconnecting.

      &C3         DCD follows remote RTS signal.

                                   DIAL

  Type:                  Immediate

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

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

  Note:                  Any combination of modifiers can be used to
                         produce the desired dial functions in sequence.

        Command                              Function

          DP             Pulse dialing enabled

          DR             Answer mode enabled; originate mode disabled
                         following handshake initiation.

         DS=n            Dial stored telephone number n

          DT             Tone dialing enabled/Pulse dialing disabled

          DW             Dialing resumed following dial tone detection

          D,             Dialing paused for amount of time specified in
                         S8 register

          D!             Flash function initiated. Modem commanded to go
                         off-hook for .5sec before returning on-hook.

          D@             Wait for Quite Answer function enabled. Modem
                         waits until a "quiet answer," a ring-back signal
                         followed by silence up to the time specified in
                         S7, is received prior to executing the rest of
                         the dial string.

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

                                DSR SIGNAL

  Type:          Configuration

  Format:        AT [cmds] &Sn [cmds]

  Description:   Controls the behaviour of the DSR signal.

    Command                              Function

      &S0        DSR forced high.

      &S1        DSR normal.

      &S2        DSR normal, except forced low on disconnect.

      &S3        DSR follows OH.





                           EXTENDED RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] Wn [cmds]

  Description:   Enables selection of additional result codes.

    Command                              Function

       W0        Negotiation displays disabled

       W1        Negotiation displays enabled

       W2        Enables CONNECT result codes to report DCE speed

                          FACTORY DEFAULT PROFILE

  Type:             Configuration

  Format:           AT [cmds] &Fn [cmds]

  Description:      Sets values in active profile to values found in the
                    default profile

     Command                              Function

       &F0          Load factory profile 1

       &F1          Load factory profile 1

       &F1          Load factory profile 2

       &F3          Load factory profile 3

       &F4          Load factory profile 4

       &F5          Load factory profile 5

       &F6          Load factory profile 6

       &F7          Load factory profile 7

       &F8          Load factory profile 8

       &F9          Load factory profile 9

                               HANG UP MODE

  Type:                Immdeiate/Configuration

  Format:              AT [cmds] Hn [cmds]

  Description:         Commands the modem to go on- or off-hook, and
                       selects how the modem will hang up.

       Command                              Function

         H0            Modem commanded to go on-hook (hang up).

         H1            Modem commanded to go off-hook (pick up).

         H2            Set hang up mode to normal on next ATH0 command

         H3            Set hang up mode to fast on next ATH0 command

                                 LINE TYPE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects line type

    Command                             Line Type

      &L0        Switched line (PSTN/Dial-up)

      &L1        2-wire leased-line

      &L2        4-wire leased-line

                           LONG SPACE DISCONNECT

  Type:             Configuration

  Format:           AT [cmds] Yn [cmds]

  Description:      Commands the modem to disconnect after a 4 second
                    break is detected

     Command                              Function

        Y0          Long space disconnect function disabled

        Y1          Long space disconnect function enabled





                            PULSE DIALING RATIO

  Type:          Configuration

  Format:        AT [cmds] &Pn [cmds]

  Description:   Selects pulse dial make/break ratio

    Command                              Function

      &P0        39/61ms at 10pps (North America)

      &P1        33/67ms at 10pps (Europe)

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0             Reports product code

       I1        Reports EPROM checksum

       I3        Reports product version

       I4        Reports Motorola V.3600

       I5        Report reason for last disconnect

                        RESTORE PROFILE ON POWER-UP

  Type:                  Configuration

  Format:                AT [cmds] &Yn [cmds]

  Description:           Restores a selected profile into the active
                         profile on power-up (hard reset) &Y? displays
                         power-up profile

        Command                              Function

          &Y0            Restore profile 1 on power-up

          &Y1            Restore profile 2 on power-up

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] Qn [cmds]

  Description:   Enables modem to send result codes to the DTE

    Command                              Function

       Q0        Result code sending enabled

       Q1        Result code sending disabled

       Q2        Result code sending enabled in originate mode

                                SOFT RESET

  Type:                Immediate

  Format:              AT [cmds] Zn [cmds]

  Description:         Restores modem profiles previously saved in
                       non-volatile RAM using the &W command.

       Command                              Function

          Z0           Restore setting 1

          Z1           Restore setting 2



                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L0        Low volume setting

       L1        Low volume setting

       L2        Low volume setting

       L3        High volume setting

                            EXTENDED AT COMMANDS

                  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

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:          Configuration

  Format:        AT [cmds] %En [cmds]

  Description:   Controls auto-retrain mode and fallback/fall-forward

    Command                              Function

      %E0        Auto-retrain disabled

      %E1        Auto-retrain enabled

                                BREAK SEND

  Type:          Configuration

  Format:        AT [cmds] \Bn [cmds]

  Range:         1-255

  Default:       35

  Unit:          20ms

  Description:   Sends break to modem





                                     BREAK TYPE

  Type:                  Configuration

  Format:                AT [cmds] \Kn [cmds]

  Description:           Configures action of break signal.

   Command       Break from DTE     Break from         Modem        Break issued:
                                        DTE        receives \B      command state,
                 connect state,                                    reliable/normal
                reliable/normal    Direct mode                          mode
                     mode

     \K0        Enter command      Send break to   Buffers         Buffers cleared
                mode, do not       remote modem    cleared and     and break sent
                send break to      immediately,    break sent to   to DTE.
                remote modem.      then enter      remote modem.
                                   command mode.

     \K1        Buffers cleared    Send break to   Buffers         Buffers cleared
                and break sent     remote modem    cleared and     and break sent
                to remote modem.   immediately.    break sent to   to DTE.
                                                   remote modem.

     \K2        Enter command      Send break to   Send break to   Send break to
                mode, do not       remote modem    remote modem    DTE immediately.
                send break to      immediately,    immediately.
                remote modem.      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        Enter command      Send break to   Send break to   Break sent with
                mode, do not       remote modem    remote modem    received data to
                send break to      immediately,    with            the DTE.
                remote modem.      then enter      transmitted
                                   command mode.   data.

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

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        V.42bis enabled on transmit and receive data

      %C2        V.42bis enabled on transmit data

      %C3        V.42bis enabled on receive data

                               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        Reliable mode enabled

      \N3        Auto-reliable mode enabled

      \N4        V.42 reliable mode enabled

      \N5        MNP reliable mode enabled

      \N6        V.42 or MNP reliable mode enabled

      \N7        V.42, MNP or normal mode enabled





                       CONNECTION SPEED LOWER LIMIT

  Type:          Configuration

  Format:        AT [cmds] %Ln [cmds]

  Description:   Sets slowest allowed connection speed.

    Command                              Function

      %L0        No minimum speed.

      %L1        No minimum speed.

      %L2        Select 1200bps minimum speed.

      %L3        Select 2400bps minimum speed.

      %L4        Select 4800bps minimum speed.

      %L5        Select 9600bps uncoded minimum speed.

      %L6        Select 9600bps minimum speed.

      %L7        Select 7200bps minimum speed.

      %L8        Select 12Kbps minimum speed.

      %L9        Select 14.4Kbps minimum speed.

      %L11       Select 16.8Kbps minimum speed.

      %L12       Select 19.2Kbps minimum speed.

      %L13       Select 21.6Kbps minimum speed.

      %L14       Select 24Kbps minimum speed.

      %L15       Select 26.4Kbps minimum speed.

      %L16       Select 28.8Kbps minimum speed.

      %L17       Select 31.2Kbps minimum speed.

      %L18       Select 33.6Kbps minimum speed.

                       CONNECTION SPEED UPPER LIMIT

  Type:          Configuration

  Format:        AT [cmds] %Bn [cmds]

  Description:   Sets fastest allowed connection speed.

    Command                              Function

      %B0        Follow serial port speed.

      %B1        Select 300bps maximum speed.

      %B2        Select 1200bps maximum speed.

      %B3        Select 2400bps maximum speed.

      %B4        Select 4800bps maximum speed.

      %B5        Select 9600bps uncoded maximum speed.

      %B6        Select 9600bps maximum speed.

      %B7        Select 7200bps maximum speed.

      %B8        Select 12Kbps maximum speed.

      %B9        Select 14.4Kbps maximum speed.

      %B11       Select 16.8Kbps maximum speed.

      %B12       Select 19.2Kbps maximum speed.

      %B13       Select 21.6Kbps maximum speed.

      %B14       Select 24Kbps maximum speed.

      %B15       Select 26.4Kbps maximum speed.

      %B16       Select 28.8Kbps maximum speed.

      %B17       Select 31.2Kbps maximum speed.

      %B18       Select 33.6Kbps maximum speed.





                          DISCONNECT BUFFER DELAY

  Type:                  Configuration

  Format:                AT [cmds] %Dn [cmds]

  Range:                 0-255

  Unit:                  1 second

  Description:           Sets the length of time that the modem processes
                         data in its send and receive buffers before it
                         disconnects.

                          DISPLAY PRODUCT VERSION

  Type:          Immediate

  Format:        AT [cmds] %V [cmds]

  Description:   Displays product version.

                             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        Bi-directional XON/XOFF flow control enabled

      \Q2        DTE RTS/CTS flow control enabled

      \Q3        Bi-directional RTS/CTS flow control enabled

      \Q4        DCE flow control disabled

      \Q5        DCE XON/XOFF flow control enabled

      \Q6        DCE RTS/CTS flow control enabled

      \Q7        DCE RTS/CTS flow control enabled

                             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

      \J2        230.4Kbps DTE speed enabled

      \J3        230.4Kbps DTE speed disabled

                           REMOTE CONFIGURATION

  Type:                  Configuration

  Format:                AT [cmds] %T=n [cmds]

                         AT [cmds] D<#>%Tn [cmds]

  Description:           Initiates a remote configuration session. This
                         command may follow a dial command, omitting the
                         equal sign, to initiate remote configuration
                         immediately on connection. %T with no parameter
                         will quit the current session.

                       REMOTE CONFIGURATION PASSWORD

  Type:                  Configuration

  Format:                AT [cmds] %P1=nnnn [cmds]

  Default:               N/A

  Range:                 0-99999999, D, <none>

  Description:           Sets the security code that a remote modem must
                         send to begin a remote configuration sessions.
                         If nnnn is omitted, the code will be cleared; if
                         a D is given, remote configuration is disabled.





                            RETRAIN SENSITIVITY

  Type:                Configuration

  Format:              AT [cmds] %Rn [cmds]

  Description:         Sets how poor line conditions must be before the
                       modem will initiate a retrain.

       Command                             Function

         %R0           Modem will not initiate retrain.

         %R1           Modem will initiate retrain when the Bit Error
                       Rate exceeds 10-5.

         %R2           Modem will initiate retrain when the Bit Error
                       Rate exceeds 10-4.

         %R3           Modem will initiate retrain when the Bit Error
                       Rate exceeds 10-3.

                              RING INDICATOR

  Type:                Configuration

  Format:              AT [cmds] \Rn [cmds]

  Description:         Controls the behavior of the ring indicator signal
                       on pin 22 of the serial port.

       Command                              Function

         \R0           Ring indicate signal high during rings and forced
                       high for duration of call.

         \R1           Ring indicate signal high during rings only.

                              V.42 DETECTION

  Type:            Configuration

  Format:          AT [cmds] \Mn [cmds]

  Description:     Enables/disables fast data sequence expedite V.42 link
                   negotiation

     Command                              Function

       \M0         V.42 fast data sequence enabled

       \M1         V.42 fast data sequence disabled

                              SPECIAL COMMANDS

                             ANSWER/ORIGINATE

  Type:            Configuration

  Format:          AT [cmds] *ORn [cmds]

  Description:     Selects either answer or originate mode in leased line
                   operation

     Command                              Function

      *OR0         Originate mode enabled

      *OR1         Answer mode enabled

                           AUTO-ANSWER OVERRIDE

  Type:                  Immediate

  Format:                AT [cmds] *IC [cmds]

  Description:           Instructs the modem to ignore the incoming call,
                         if the modem is set to automatically answer.

                          AUTO-DIAL STORED NUMBER

  Type:               Configuration

  Format:             AT [cmds] *Aun [cmds]

  Range:              0-9

  Description:        Sets the auto-dialing function to dial the number
                      stored in memory location n.





                        BILATERAL DIGITAL LOOPBACK

  Type:          Configuration

  Format:        AT [cmds] *DGn [cmds]

  Description:   Enables/disables bilateral loopback test

    Command                              Function

      *DG0       Bilateral digital loopback test disabled

      *DG1       Bilateral digital loopback test enabled

                              CALLBACK NUMBER

  Type:                  Configuration

  Format:                AT [cmds] $Cn=x [cmds]

  Description:           Programs callback number x and assigns it to
                         user number n. Required for security levels 2 &
                         3.

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] *IDn [cmds]

  Description:   Controls the Caller ID function

    Command                              Function

      *ID0       Caller ID disabled

      *ID1       Caller ID enabled

                                COMMAND SET

  Type:          Configuration

  Format:        AT [cmds] *NTn [cmds]

  Description:   Disables the AT command set.

    Command                              Function

      *NT0       Command set disabled.

      *NT1       Command set enabled.

                                DIAL BACKUP

  Type:          Configuration

  Format:        AT [cmds] *DBn [cmds]

  Description:   Controls dial backup operation

    Command                              Function

      *DB0       Manual dial backup enabled

      *DB1       Automatic dial backup enabled

                             DISCONNECT RESET

  Type:          Configuration

  Format:        AT [cmds] *ROn [cmds]

  Description:   Selects whether the modem will reset on disconnect.

    Command                              Function

      *RO0       Modem will not reset on disconnect.

      *RO1       Modem will reset on disconnect.

                           DISPLAY SERIAL NUMBER

  Type:          Immediate

  Format:        AT [cmds] $V [cmds]

  Description:   Displays product serial number.





                          DISPLAY STORED NUMBERS

  Type:          Immediate

  Format:        AT [cmds] *ND [cmds]

  Description:   Displays all stored phone numbers.

                             DISTINCTIVE RING

  Type:          Configuration

  Format:        AT [cmds] *DR=n [cmds]

  Description:   Controls the Distinctive Ring function

    Command                              Function

     *DR=0       Distinctive Ring disabled

     *DR=1       Distinctive Ring enabled

                        EXTENDED PASSWORD FEATURES

  Type:                  Configuration

  Format:                AT [cmds] $Wn [cmds]

  Description:           Sets extended password features. Command set by
                         superuser (system administrator) $W? queries
                         setting

        Command                              Function

          $W0            Clears extended settings

          $W1            Enables a regular user to change his password
                         and callback number

          $W2            Enables a remote user to gain superuser
                         privileges

                               FORCE RETRAIN

  Type:           Immediate

  Format:         AT [cmds] *RRn [cmds]

  Description:    Forces the modem to attempt to retrain to the selected
                  speed.

    Command                              Function

      *RR0        Attempt 2400bps speed.

      *RR1        Attempt 4800bps speed.

      *RR2        Attempt 7200bps speed.

      *RR3        Attempt 9600bps speed.

      *RR4        Attempt 12Kbps speed.

      *RR5        Attempt 14.4Kbps speed.

      *RR6        Attempt 16.8Kbps speed.

      *RR7        Attempt 19.2Kbps speed.

      *RR8        Attempt 21.6Kbps speed.

      *RR9        Attempt 24Kbps speed.

     *RR10        Attempt 26.4Kbps speed.

     *RR11        Attempt 28.8Kbps speed.

     *RR12        Attempt 31.2Kbps speed.

     *RR13        Attempt 33.6Kbps speed.

                               HELP SCREENS

  Type:                   Immediate

  Format:                 AT $H=xxxx

  Description:            Shows help screens. If a string is included as
                          shown in the example, the modem will search for
                          the string; otherwise, the whole help section
                          will be displayed.





                           HIGH SECURITY ENABLE

  Type:             Configuration

  Format:           AT [cmds] $EH=x [cmds]

  Description:      Enables security for password x. Superuser password
                    must be specified

                          ILLEGAL ATTEMPT COUNTER

  Type:                  Configuration

  Format:                AT [cmds] $Mn [cmds]

  Description:           Keeps count of illegal attempts by users to gain
                         superuser status. Superuser may enter user
                         account n to reset count of specific user. $M*
                         resets illegal attempt count for all users.

                          LINE CURRENT DISCONNECT

  Type:             Configuration

  Format:           AT [cmds] *LCn [cmds]

  Description:      Causes the modem to disconnect if the telephone
                    lines current drops.

     Command                              Function

       *LC0         Line current disconnect disabled

       *LC1         Disconnect after 8ms if current is lost.

       *LC2         Disconnect after 90ms if current is lost.

                           LOCAL ANALOG LOOPBACK

  Type:          Configuration

  Format:        AT [cmds] *LAn [cmds]

  Description:   Enables/disables DTE controlled local analog loopback

    Command                              Function

      *LA0       Local analog loopback disabled. Pin 18 toggle ignored

      *LA1       Local analog loopback enabled (pin 18)

                               LOCAL LOGOFF

  Type:          Configuration

  Format:        AT [cmds] $$ [cmds]

  Description:   Allows user to logoff after local session

                                LOCAL LOGON

  Type:          Configuration

  Format:        AT [cmds] $n=x [cmds]

  Description:   Allows user n secure logon with password x

                 LOCAL SERIAL PORT SPEED CHANGE ON PIN 23

  Type:                  Configuration

  Format:                AT [cmds] *FBn [cmds]

  Description:           Selects whether a voltage transition on pin 23
                         will cause the modem to change the serial port
                         speed.

        Command                              Function

          *FB0           Pin 23 transition ignored.

          *FB1           Pin 23 negative causes modem to increase serial
                         port speed; pin 23 positive causes modem to
                         decrease serial port speed.





                            MANUAL DIAL BACKUP

  Type:                  Configuration

  Format:                AT [cmds] *LDn [cmds]

  Description:           Autodials the number if modem is in originate
                         mode and manual dial backup is selected.
                         Available for leased line operation only

                           MODULATION PROTOCOLS

  Type:          Configuration

  Format:        AT [cmds] *MMn [cmds]

  Description:   Selects the protocol to use on the next connection.

    Command                              Function

      *MM0       Auto-detect fastest common protocol.

      *MM1       V.21.

      *MM2       Bell 103.

      *MM4       Bell 212A.

      *MM5       V.22bis.

      *MM6       V.27bis 4-wire leased line

      *MM8       V.29 4-wire leased line

     *MM10       V.33 4-wire leased line

     *MM11       V.32bis.

     *MM12       V.34.

                            PASSWORD SELECTION

  Type:                  Configuration

  Format:                AT [cmds] $C=x, y [cmds]

  Description:           Changes password where x represents the old
                         password and y the new password. Setting y to
                         (-) deletes password x from memory and disables
                         security features

                            PASSWORD SELECTION

  Type:                  Configuration

  Format:                AT [cmds] $Pn=x [cmds]

  Range (n):             0 - 50

  Range (x):             4 - 34

  Unit (x):              ASCII

  Description:           Selects password x and assigns it to user number
                         n. Superuser privileges are given to user number
                         1.

                           REMOTE CONFIGURATION

  Type:          Configuration

  Format:        AT [cmds] *RAn [cmds]

  Description:   Enables/disables remote configuration

    Command                              Function

      *RA0       Remote configuration disabled

      *RA1       Remote configuration disabled





                          REMOTE CONNECTION SPEED

  Type:          Configuration

  Format:        AT [cmds] *RBn [cmds]

  Description:   Forces the DTE speed to selected setting

    Command                              Function

      *RB0       300bps

      *RB1       600bps

      *RB2       1200bps

      *RB3       2400bps

      *RB4       4800bps

      *RB5       7200bps

      *RB6       9600bps

      *RB7       12.0Kbps

      *RB8       14.4Kbps

      *RB9       16.8Kbps

     *RB10       19.2Kbps

     *RB11       21.6Kbps

     *RB12       24.0Kbps

     *RB13       26.4Kbps

     *RB14       28.8Kbps

     *RB15       28.4Kbps

     *RB16       57.6Kbps

     *RB17       115.2Kbps

                          REMOTE DIGITAL LOOPBACK

  Type:          Configuration

  Format:        AT [cmds] *RDn [cmds]

  Description:   Enables/disables DTE controlled remote digital loopback

    Command                              Function

      *RD0       Remote digital loopback disabled. Pin 21 toggle ignored

      *RD1       Remote digital loopback enabled (pin 21)

                               REMOTE FORMAT

  Type:                 Configuration

  Format:               AT [cmds] *RFn [cmds]

  Description:          Selects number of data bits, number of stop bits
                        and parity in remote configuration

       Command                              Function

         *RF0           7 data bits, mark parity, 1 stop bit

         *RF1           7 data bits, no parity, 2 stop bits

         *RF2           7 data bits, odd parity, 1 stop bit

         *RF3           7 data bits, even parity, 1 stop bit

         *RF4           8 data bits, mark parity, 1 stop bit

         *RF5           8 data bits, no parity, 1 stop bit

         *RF6           8 data bits, odd parity, 1 stop bit

         *RF7           8 data bits, even parity, 1 stop bit





                                REMOTE SAVE

  Type:          Configuration

  Format:        AT [cmds] *RQn [cmds]

  Description:   Selects whether to save or discard remote configuration

    Command                              Function

      *RQ0       Save remote configuration and exit

      *RQ1       Discard remote configuration and exit

                             RESULT CODE MODE

  Type:             Configuration

  Format:           AT [cmds] *RCn [cmds]

  Description:      Selects normal or Motorola result code numbering.

      Command                             Function

       *RC0         Result code 15 is CONNECT 4800 and code 18 is CONNECT
                    9600 (standard).

       *RC1         Result code 11 is CONNECT 4800 and code 12 is CONNECT
                    9600 (Motorola).

                  RETURN TO LEASED LINE FROM DIAL BACKUP

  Type:                  Configuration

  Format:                AT [cmds] *LBn [cmds]

  Description:           If modem is in dial backup mode, switches to
                         leased line operation. During leased line
                         operation with forced answer enabled; modem
                         waits for a dial backup call

                   SECURITY - REPORT BLOCK USER SETTINGS

  Type:                  Immediate

  Format:                AT [cmds] $IBn [cmds]

  Description:           Reports security level and callback number for
                         block of ten consecutive numbers starting with
                         user number n. Command set by superuser (system
                         administrator).

                      SECURITY - REPORT USER SETTINGS

  Type:                   Immediate

  Format:                 AT [cmds] $In [cmds]

  Description:            Reports security level and callback number for
                          user n. A normal user may only check his own
                          settings

                             SECURITY DISABLE

  Type:          Configuration

  Format:        AT [cmds] $D=x [cmds]

  Description:   Disables security for password x. $D? queries setting

                              SECURITY ENABLE

  Type:          Configuration

  Format:        AT [cmds] $E=x [cmds]

  Description:   Enables security for password x. $E? queries setting

                              SECURITY LEVEL

  Type:                  Configuration

  Format:                AT [cmds] $Ln=x [cmds]

  Description:           Assigns security level x to user number n.
                         Command set by superuser (system administrator)





                              SECURITY RESET

  Type:                  Configuration

  Format:                AT [cmds] $DR[cmds]

  Description:           Resets security to its initial state. All
                         passwords are deleted. Not available for remote
                         configuration

                              SECURITY RESET

  Type:            Configuration

  Format:          AT [cmds] $F=x$x [cmds]

  Description:     Resets security to factory default settings.
                   x=superuser password

                              STORE PASSWORD

  Type:                  Configuration

  Format:                AT [cmds] $S=x [cmds]

  Description:           Sets an empty password to location x. Only
                         effective when password memory is empty or only
                         has one password stored.

                            SUPERUSER PRIVILEGE

  Type:               Configuration

  Format:             AT [cmds] $S=x [cmds]

  Description:        Allows normal user to gain superuser status by
                      entering superuser password x

                               SYSTEM STATUS

  Type:          Immediate

  Format:        AT [cmds] $E? [cmds]

  Description:   Queries system security status

                              TALK/DATA MODE

  Type:          Immediate

  Format:        AT [cmds] *DAn [cmds]

  Description:   Selects talk or data mode.

    Command                              Function

      *DA0       Talk mode enabled.

      *DA1       Data mode enabled.

                     TRANSMISSION LEVEL - LEASED-LINE

  Type           Configuration

  Format         AT [cmds] TLn [cmds]

  Range          0-30

  Unit           -1 dBm

  Description    Sets the signal level for transmission over leased-lines

                    TRANSMISSION LEVEL - SWITCHED LINE

  Type:                  Configuration

  Format:                AT [cmds] *TDn [cmds]

  Default:               9

  Range:                 9-30

  Unit:                  -1 dBm

  Description:           Sets the transmitted signal level when the modem
                         is connected to a switched phone line.





                               USER REMOVAL

  Type:                  Configuration

  Format:                AT [cmds] $Rn [cmds]

  Range (n):             2 - 50

  Description:           Removes user n from active status without
                         deleting user information. Command set by
                         superuser (system administrator). Superuser
                         (user number 1) may not be removed from system.

                                USER STATUS

  Type:             Immediate

  Format:           AT [cmds] $S? [cmds]

  Description:      Queries whether current user has normal or superuser
                    security status

                          V.32 HANDSHAKE OPTIONS

  Type:            Configuration

  Format:          AT [cmds] *FTn [cmds]

  Description:     Shortens V.32 and V.32bis handshake time.

     Command                              Function

       *FT0        Normal handshake sequence.

       *FT1        Training time is shortened by 2 seconds in V.32 and
                   V.32bis modes.

                         V.34 RETRAIN SENSITIVITY

  Type:                  Configuration

  Format:                AT [cmds] *THn [cmds]

  Description:           Sets how poor line conditions must be before the
                         modem will initiate a retrain when in V.34 mode.

        Command                              Function

          *TH0           Modem will initiate retrain when the Bit Error
                         Rate exceeds 10-6.

          *TH1           Modem will initiate retrain when the Bit Error
                         Rate exceeds 10-4.

          *TH2           Modem will initiate retrain when the Bit Error
                         Rate exceeds 10-2.

                             V.34 SPLIT-SPEED

  Type:          Configuration

  Format:        AT [cmds] *ASn [cmds]

  Description:   Controls V.34 asymmetric bit rate capability.

    Command                              Function

      *AS0       V.34 split-speed disabled.

      *AS1       V.34 split-speed enabled.

                            S(status) REGISTERS

                     AUTO-RELIABLE FALLBACK CHARACTER

  Type:                  Register

  Format:                AT [cmds] S64=n [cmds]

  Default:               0

  Range:                 0-127

  Unit:                  ASCII

  Description:           Sets the character used as the auto-reliable
                         fallback character. S64=0 will disable this
                         function.





                          BIT-MAPPED REGISTER S14

  Format:             AT [cmds] S14=n [cmds]

  Range:              0-255

  Unit:               Bit-mapped

  Description:        Controls echo, result codes and 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  Cleardown enabled

                  1   Cleardown disabled

    7              0  Answer mode enabled

                  1   Originate mode enabled

                          BIT-MAPPED REGISTER S21

  Format                AT [cmds] S21=n [cmds]

  Range:                0-255

  Unit:                 Bit-mapped

  Description:          Selects CTS/DCD/DSR signals, low DTR action, and
                        the long space disconnect function.

    Bit       Value                         Function

     0             00   DSR forced high

                   10   DSR normal

                   01   DSR off 5 seconds after disconnect

                  11    DSR follows off-hook

     1             00   DCD forced high

                   10   DCD normal

                   01   DCD off 5 seconds after disconnect

                  11    DCD follows RTS

     2              0   CTS follows RTS by S26 delay

                   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             00   DCD forced high

                   10   DCD normal

                   01   DCD off 5 seconds after disconnect

                  11    DCD follows RTS

     6             00   DSR forced high

                   10   DSR normal

                   01   DSR off 5 seconds after disconnect

                  11    DSR follows off-hook

     7              0   Long space disconnect function disabled

                   1    Long space disconnect function enabled





                          BIT-MAPPED REGISTER S23

  Format           AT [cmds] S23=n [cmds]

  Range:           0-189

  Unit:            Bit-mapped

  Description:     Grants/denies remote digital loopback, and sets guard
                   tone.

   Bit    Value                           Function

    0          0   Remote digital loopback denied

              1    Remote digital loopback allowed

  5 - 1       0    Not used

  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]

  Default:           9

  Range:             0 - 127

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

   Bit      Value                          Function

   1, 0         00   Asynchronous command and data modes.

                01   Asynchronous command, synchronous connect mode.

                10   DTR dialing enabled, synchronous connect mode.

               11    Manual dialing only, synchronous connect mode.

    2            0   Switched line.

                1    Leased line.

    3           0    Not used.

   5, 4         00   Internal DTE transmit clock source.

                01   External DTE transmit clock source.

               10    Slave DTE transmit clock source.

    6            0   Asynchronous DTR dialing enabled.

                1    Asynchronous DTR dialing disabled.

                          BIT-MAPPED REGISTER S29

  Format               AT [cmds] S29=n [cmds]

  Default:             0

  Range:               0 - 135

  Description:         Controls command set, option retaining, V.32 fast
                       handshaking, and DTE fallback.

    Bit      Value                          Function

     0             0   AT command set enabled.

                  1    AT command set disabled.

     1             0   Modem will not reset on disconnect.

                  1    Modem will reset on disconnect.

     2             0   Normal V.32 handshake sequence.

                  1    Training time is shortened by 2 seconds in V.32
                       and V.32bis modes.

   6 - 3          0    Not used.

     7             0   DTE fallback disabled

                  1    DTE fallback enabled





                          BIT-MAPPED REGISTER S32

  Format            AT [cmds] S32=n [cmds]

  Default:          0

  Range:            0 - 255

  Description:      Controls leased line option, line current disconnect,
                    and dial backup

   Bit     Value                          Function

    0           0   2-wire leased line operation

               1    4-wire leased line operation

    1           0   Short line current disconnect

               1    Long line current disconnect

    2           0   Line current disconnect disabled

               1    Line current disconnect enabled

    3           0   Manual dial backup enabled

               1    Automatic dial backup enabled

   4-7         0    Not used.

                          BIT-MAPPED REGISTER S53

  Format           AT [cmds] S53=n [cmds]

  Default:         0

  Range:           0 - 255

  Description:     Controls automatic rate adaption options

   Bit    Value                           Function

    0          0   Rate renegotiation above initial connect disabled

              1    Rate renegotiation above initial connect enabled

    1         0    Not used.

  3, 2        00   Automatic rate adaption threshold disabled

              01   Modem will initiate retrain on low Bit Error Rate
                   (10-6)
              10
                   Modem will initiate retrain on medium Bit Error Rate
             11    (10-4)

                   Modem will initiate retrain on high Bit Error Rate
                   (10-2)

    4         0    Not used.

    5          0   Protocol negotiation status disabled

              1    Protocol negotiation status enabled

    6         0    Not used.

    7          0   Distinctive ring detection disabled

              1    Distinctive ring detection enabled

                                      BIT-MAPPED REGISTER S57

  Format:              AT [cmds] S57=n [cmds]

  Default:             0

  Range:               0 - 33

  Description:         Controls result code format and busy out.

     Bit        Value                                    Function

      0               0   Result code 15 is CONNECT 4800 and code 18 is CONNECT 9600 (standard).

                     1    Result code 11 is CONNECT 4800 and code 12 is CONNECT 9600 (Motorola).

    4 - 1            0    Not used.

      5               0   Busy out during local analog loopback test disabled.

                     1    Busy out during local analog loopback test enabled.

     6, 7            0    Not used.





                                      BIT-MAPPED REGISTER S60

  Format              AT [cmds] S60=n [cmds]

  Default:            67

  Range:              0 - 255

  Description:        Controls auto-retrain, MNP, auto-reliable time buffering, RI signal, and
                      extended result codes.

   Bit      Value                                      Function

    0             0   Auto-retrain disabled.

                 1    Auto-retrain enabled.

    1             0   MNP disabled.

                 1    MNP enabled.

    2             0   Data is discarded during auto-reliable time.

                 1    Data is buffered during auto-reliable time.

  5 - 3          0    Not used.

    6             0   RI signal high during rings, and forced high for duration of call.

                 1    RI signal high during rings only.

    7             0   Extended result codes disabled.

                 1    Extended result codes enabled.

                          BIT-MAPPED REGISTER S70

  Format               AT [cmds] S70=n [cmds]

  Default:             15

  Range:               0 - 15

  Description:         Controls connect mode and V.42 negotiation mode.

    Bit      Value                          Function

  2, 1, 0        000   Normal mode enabled.

                 001   Direct mode enabled.

                 010   MNP mode only enabled.

                 011   MNP mode with fallback to normal mode enabled.

                 100   V.42 mode only enabled.

                 101   V.42 mode with fallback to normal mode enabled.

                 110   V.42 mode with fallback to MNP enabled.

                111    V.42 mode with fallback to MNP and normal modes
                       enabled.

     3             0   Normal V.42 handshaking enabled.

                  1    Fast V.42 handshaking enabled.

   7 - 4          0    Not used

                          BIT-MAPPED REGISTER S72

  Format            AT [cmds] S72=n [cmds]

  Default:          0

  Range:            0 - 137

  Description:      Controls serial port lock, CTS signal, and
                    auto-callback function.

   Bit     Value                          Function

    0           0   Serial speed locked.

               1    Serial speed follows connect speed.

  2, 1        00    Not used.

    3           0   CTS normal.

               1    CTS follows DCD.

  6 - 4        0    Not used.

    7           0   Auto-callback disabled.

               1    Auto-callback enabled.





                          BIT-MAPPED REGISTER S82

  Format           AT [cmds] S82=n [cmds]

  Description:     Controls negotiation status

   Bit    Value                           Function

  1 - 0       0    Not used

  3 - 2       00   Extended result codes disabled

              01   Extended result codes enabled

             10    Display DCE rate

  7 - 4       0    Not used

                          BIT-MAPPED REGISTER S84

  Format           AT [cmds] S84=n [cmds]

  Description:     Enables/disables key abort

   Bit    Value                           Function

    0          0   Key abort enabled

              1    Key abort disabled

  7 - 1       0    Not used

                          BIT-MAPPED REGISTER S95

  Format:           AT [cmds] S95=n [cmds]

  Range:            0 - 255

  Description:      Controls non-linear coding, pre-emphasis, shaping,
                    and pre-coding.

   Bit     Value                          Function

    0           0   V.8 answer disabled for modulations below V.34.

               1    V.8 answer enabled for modulations below V.34.

  3 - 1        0    Not used.

    4           0   Non-linear coding disabled.

               1    Non-linear coding enabled.

    5           0   Pre-emphasis disabled.

               1    Pre-emphasis enabled.

    6           0   Constellation shaping disabled.

               1    Constellation shaping enabled.

    7           0   Pre-coding disabled.

               1    Pre-coding enabled.

                          BIT-MAPPED REGISTER S96

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

  Range:           0 - 156

  Description:     Controls TX level deviation and asymmetric bit rates.

   Bit    Value                           Function

  4 - 0       0    Not used.

    5          0   Asymmetric bit rates disabled.

              1    Asymmetric bit rates enabled.

    6         0    Not used.

    7          0   TX level deviation disabled.

              1    TX level deviation enabled.





                          BIT-MAPPED REGISTER S97

  Format           AT [cmds] S97=n [cmds]

  Default:         0

  Range:           0 - 32

  Description:     Controls automatic rate adaption options in V.34 mode

   Bit    Value                           Function

  0, 1        00   V.34 threshold low (10-6 Bit Error Rate)

              01   V.34 threshold medium (10-4 Bit Error Rate)

             10    V.34 threshold high (10-2 Bit Error Rate)

   27        0    Not used.

                               BREAK LENGTH

  Type:          Register

  Format:        AT [cmds] S79=n [cmds]

  Default:       35

  Range:         0 - 255

  Unit:          20ms

  Description:   Sets the length of breaks sent from DCE to DTE.

                                   BREAK TYPE

  Type:                  Register

  Format:                AT [cmds] S59=n [cmds]

  Description:           Configures action of break signal.

   Command      Break from DTE     Break from         Modem        Break from
                                       DTE        receives \B     remote modem
                Reliable/Normal
                     mode         Direct mode

    S59=0       Enter command     Send break to   Buffers         Buffers
                mode, do not      remote modem    cleared and     cleared and
                send break to     immediately,    break sent to   break sent to
                remote modem.     then enter      remote modem.   DTE.
                                  command mode.

    S59=1       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.

    S59=2       Enter command     Send break to   Send break to   Send break to
                mode, do not      remote modem    remote modem    DTE
                send break to     immediately,    immediately.    immediately.
                remote modem.     then enter
                                  command mode.

    S59=3       Send break to     Send break to   Send break to   Send break to
                remote modem      remote modem    remote modem    DTE
                immediately.      immediately.    immediately.    immediately.

    S59=4       Enter command     Send break to   Send break to   Break sent
                mode, do not      remote modem    remote modem    with received
                send break to     immediately,    with            data to the
                remote modem.     then enter      transmitted     DTE.
                                  command mode.   data.

    S59=5       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.





                        CHARACTER LENGTH AND PARITY

  Format           AT [cmds] S61? [cmds]

  Default:         Read-only

  Range:           0 - 56

  Description:     Reports current character length and parity.

   Bit    Value                           Meaning

  2 - 0       0    Not used.

    3          0   7 bit character length set.

              1    8 bit character length set.

  5, 4        00   MARK parity.

              01   No parity.

              10   Odd parity.

             11    Even parity.

  7, 6        0    Not used.

                                COMPRESSION

  Type:          Register

  Format:        AT S56=n

  Description:   Selects data compression.

    Command                              Function

     S56=0       Data compression disabled.

     S56=1       Data compression enabled on transmit only.

     S56=2       Data compression enabled on receive only.

     S56=3       Data compression enabled.

                COMPRESSION AND ERROR CORRECTION - CURRENT

  Type:           Register - read-only

  Format:         AT [cmds] S71? [cmds]

  Description:    Reports current compression and error correction
                  protocols.

     Value                                Meaning

       0          No compression or error correction protocols active.

       1          Negotiation in progress.

       2          MNP2 active.

       3          MNP3 active.

       4          MNP4 active.

       5          MNP5 active.

       6          V.42 active.

       7          V.42bis active.





                         CONNECTION SPEED DISPLAY

  Type:          Register - read-only

  Format:        AT [cmds] S67? [cmds]

  Description:   Reports current connection speed.

     Value                               Meaning

       1         300bps

       3         1200bps

       4         2400bps

       5         4800bps

       6         7200bps

       7         9600bps uncoded

       8         9600bps trellis

       9         12.0Kbps

       10        14.4Kbps

       11        16.8Kbps

       12        19.2Kbps

       13        21.6Kbps

       14        24.0Kbps

       15        26.4Kbps

       16        28.8Kbps

       17        31.2Kbps

       18        33.6Kbps

                       CONNECTION SPEED LOWER LIMIT

  Type:          Register

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

  Description:   Sets minimum allowed connection speed.

    Command                              Function

     S81=0       No minimum speed.

     S81=1       No minimum speed.

     S81=2       1200bps

     S81=3       2400bps

     S81=4       4800bps

     S81=5       9600bps uncoded

     S81=6       9600bps trellis

     S81=7       12.0Kbps

     S81=8       14.4Kbps

     S81=9       600bps

     S81=11      16.8Kbps

     S81=12      19.2Kbps

     S81=13      21.6Kbps

     S81=14      24.0Kbps

     S81=15      26.4Kbps

     S81=16      28.8Kbps

     S81=17      31.2Kbps

     S81=18      33.6Kbps





                       CONNECTION SPEED UPPER LIMIT

  Type:          Configuration

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

  Description:   Sets maximum allowed connection speed.

     Value                               Function

       0         Rate selected by register S80

       1         300bps

       3         1200bps

       4         2400bps

       5         4800bps

       6         7200bps

       7         9600bps uncoded

       8         9600bps trellis

       9         12.0Kbps

       10        14.4Kbps

       11        16.8Kbps

       12        19.2Kbps

       13        21.6Kbps

       14        24.0Kbps

       15        26.4Kbps

       16        28.8Kbps

       17        31.2Kbps

       18        33.6Kbps

                             DIAL BACKUP TIMER

  Type:                   Register

  Format                  AT [cmds] S28=n [cmds]

  Range:                  0-255

  Default:                15

  Unit:                   1 minute

  Description:            Specifies the amount of time the modem will
                          remain in dial backup mode before retrying
                          leased line mode. S28=0 disables timer

                          DISCONNECT BUFFER DELAY

  Type:                   Register

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

  Default:                0

  Range:                  0-255

  Unit:                   1 second

  Description:            Configures how long the modem will wait to
                          disconnect if there is data in the transmit or
                          receive buffers.

                        DTR IGNORE TIME ON CONNECT

  Type:            Register

  Format           AT [cmds] S25=n [cmds]

  Range:           0-255

  Default:         5

  Unit:            10ms

  Description:     Sets the time the modem will ignore a low DTR after a
                   connection





                FLOW CONTROL CHARACTER - XOFF FROM TERMINAL

  Type:          Register

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

  Default:       19

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character the terminal sends to represent XOFF.

                 FLOW CONTROL CHARACTER - XOFF TO TERMINAL

  Type:          Register

  Format:        AT [cmds] S50=n [cmds]

  Default:       19

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character the modem sends to represent XOFF.

                FLOW CONTROL CHARACTER - XON FROM TERMINAL

  Type:          Register

  Format:        AT [cmds] S44=n [cmds]

  Default:       17

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character the terminal sends to represent XON.

                 FLOW CONTROL CHARACTER - XON TO TERMINAL

  Type:          Register

  Format:        AT [cmds] S49=n [cmds]

  Default:       17

  Range:         0-127

  Unit:          ASCII

  Description:   Sets the character the modem sends to represent XON.

                             FLOW CONTROL MODE

  Format           AT [cmds] S54=n [cmds]

  Default:         33

  Range:           0 - 123

  Description:     Controls flow control type and pass-through.

   Bit    Value                           Function

  1, 0        00   Flow control disabled.

              01   Bidirectional XON/XOFF flow control enabled.

              10   CTS flow control by DCE enabled.

             11    Bidirectional CTS/RTS flow control enabled.

    2         0    Not used.

    3          0   Flow control disabled.

              1    Flow control enabled.

    4          0   XON/XOFF signals trapped by local modem.

              1    XON/XOFF passed through local modem.

  6, 5        00   Flow control by DCE disabled.

              01   XON/XOFF flow control by DCE enabled.

              10   RTS flow control by DCE enabled.

             11    RTS flow control by DCE enabled.





                             INACTIVITY TIMER

  Type:                 Register

  Format:               AT [cmds] S58=n [cmds]

  Default:              0

  Range:                0-255

  Unit:                 1 minute

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

                         LEASED LINE BACKUP NUMBER

  Type:                Register

  Format:              AT [cmds] S35=n [cmds]

  Description:         Sets the stored number the modem will dial for DTR
                       dialing and leased-line backup.

                      LOCAL SERIAL PORT SPEED DISPLAY

  Type:          Configuration

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

  Description:   Reports the current serial port speed.

     Value                               Meaning

       1         300bps

       2         600bps

       3         1200bps

       4         2400bps

       5         4800bps

       6         7200bps

       7         9600bps

       8         12.0Kbps

       9         14.4Kbps

       10        16.8Kbps

       11        19.2Kbps

       12        21.6Kbps

       13        24.0Kbps

       14        26.4Kbps

       15        28.8Kbps

       16        31.2Kbps

       17        33.6Kbps

       18        38.4Kbps

       19        57.6Kbps

       20        115.2Kbps

                    MAXIMUM BLOCK SIZE FOR TRANSMISSION

  Type:          Register

  Format:        AT [cmds] S63=n [cmds]

  Description:   Sets the maximum transmittable block size.

    Command                              Function

     S63=0       MNP block size is 64 characters.

     S63=1       MNP block size is 128 characters.

     S63=2       MNP block size is 192 characters.

     S63=3       MNP block size is 256 characters.





                            MODULATION PROTOCOL

  Type:          Configuration

  Format:        AT [cmds] S88=n [cmds]

  Description:   Selects the protocol to use on the next connection.

    Command                              Function

     S88=0       Auto-detect fastest protocol

     S88=1       V.21

     S88=2       Bell 103

     S88=4       Bell 212/A

     S88=5       V.22bis

     S88=6       V.27 (leased line only)

     S88=8       V.29 (leased line only)

     S88=10      V.33bis (leased line only)

     S88=11      V.32bis

     S88=12      V.34.

                        MODULATION PROTOCOL DISPLAY

  Type:          Register - read-only

  Format:        AT [cmds] S91? [cmds]

  Description:   Returns a value indicating the current protocol.

     Value                               Meaning

       1         V.21

       2         Bell 103

       4         Bell 212/A

       5         V.22bis

       6         V.27 (leased line only)

       8         V.29 (leased line only)

       10        V.33bis (leased line only)

       11        V.32bis

       12        V.34.

                   REMOTE CONFIGURATION ESCAPE CHARACTER

  Type:          Register

  Format         AT [cmds] S41=n [cmds]

  Range:         0-255

  Default:       61

  Unit:          ASCII

  Description:   Selects the escape character for remote configuration

                      REMOTE CONFIGURATION GUARD TIME

  Type:          Register

  Format         AT [cmds] S42=n [cmds]

  Range:         0-255

  Default:       50

  Unit:          20ms

  Description:   Selects the guard time for remote configuration





                             RTS TO CTS DELAY

  Type:            Register

  Format           AT [cmds] S26=n [cmds]

  Range:           0 - 255

  Unit:            10ms

  Description:     Sets the duration of delay for CTS to respond to RTS
                   status change

                      SECURITY - AUTO-CALLBACK DELAY

  Type:                  Register

  Format:                AT [cmds] S78=n [cmds]

  Default:               30

  Range:                 0-255

  Unit:                  1 second

  Description:           Configures how long the modem will wait to
                         execute the auto-callback sequence after an
                         incoming call is detected.

                         SECURITY - CALLBACK DELAY

  Type:                  Register

  Format:                AT [cmds] S74=n [cmds]

  Default:               15

  Range:                 0-255

  Unit:                  1 second

  Description:           Determines how long the modem will wait to
                         execute a callback sequence after the user has
                         disconnected.

                         SECURITY - CALLBACK RETRY

  Type:                  Register

  Format:                AT [cmds] S75=n [cmds]

  Default:               0

  Range:                 0-255

  Unit:                  1 redial

  Description:           Sets how many times the modem will attempt to
                         execute a callback if the first call fails.

                      SECURITY - CALLBACK RETRY DELAY

  Type:                   Register

  Format:                 AT [cmds] S76=n [cmds]

  Default:                15

  Range:                  0-255

  Unit:                   1 second

  Description:            Configures how long the modem will wait to
                          execute another callback sequence after one has
                          failed.

                  SECURITY - FAILED LOGIN ATTEMPT MAXIMUM

  Type:                  Register

  Format:                AT [cmds] S77=n [cmds]

  Default:               0

  Range:                 0-255

  Unit:                  1 attempt

  Description:           Sets the maximum number of failed logins the
                         modem will accept until it disconnects. S77=0
                         disables





                         SECURITY - PASSWORD TIME

  Type:               Register

  Format:             AT [cmds] S73=n [cmds]

  Default:            0

  Range:              0-255

  Unit:               1 second

  Description:        Determines how long the modem will wait for a
                      password when in secure mode.

                                TEST MODES

  Format           AT [cmds] S34=n [cmds]

  Default:         0

  Range:           0 - 15

  Description:     Initiates and controls loopback test options.

   Bit    Value                           Function

    0         0    Not used.

    1          0   End bidirectional local digital loopback test.

              1    Begin bidirectional local digital loopback test.

    2          0   Pin 18 ignored

              1    Pin 18 toggle initiates local analog loopback test.

    3          0   Pin 21 ignored

              1    Pin 21 toggle initiates remote digital loopback test.

                     TRANSMISSION LEVEL - DIAL LINE

  Type          Register or Configuration

  Format        AT [cmds] S51=n [cmds]

  Range         9-30

  Unit          -1 dBm

  Description   Sets the signal level for dial line transmissions

                     TRANSMISSION LEVEL - LEASED-LINE

  Type           Register or Configuration

  Format         AT [cmds] S52=n [cmds]

  Range          0-30

  Unit           -1 dBm

  Description    Sets the signal level for transmission over leased-lines





                              V.25bis OPTIONS

  Format               AT [cmds] S30=n [cmds]

  Default:             0

  Range:               0 - 255

  Description:         Controls V.25bis character set, VAL response,
                       NRZ/NRZI, and communications mode.

    Bit      Value                          Function

     0            0    Not used.

     1             0   Use ASCII character set.

                  1    Use EBCDIC character set.

     2             0   VAL response enabled.

                  1    VAL response disabled.

   4, 3          00    Not used.

     5             0   Use NRZ mode.

                  1    Use NRZI mode.

   7, 6           00   V.25bis command set disabled.

                  01   V.25bis bisynchronous command, synchronous connect
                       mode.
                  10
                       V.25bis SDLC command, synchronous connect mode.
                 11
                       V.25bis asynchronous command, synchronous connect
                       mode.





