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       # NETCOMM LIMITED
       
          SOCKET ROCKET 336 (CM3660, CM3660M)
       
          Card Type              Modem (asynchronous)                    
          Chipset                Unidentified                            
          Maximum Data Rate      33.6Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103A, 212A                         
                                                                         
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34                           
          Fax Modulation         ITU-T V.17, V.27ter, V.29               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               PCMCIA Type II                          
       
                                                                   53435
       
          +------------------------------------------------------------+
          |                SUPPORTED STANDARD COMMANDS                 |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | +++, ‘comma’, A/                                           |
          |------------------------------------------------------------|
          | A, E, H, M, O, P, Q, T, V, W, Z                            |
          |------------------------------------------------------------|
          | &C, &D, &F, &G, &K, &M, &P, &S, &T, &W, &Y, &Z             |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \J, \N, \Q, \T, \X                                 |
          |------------------------------------------------------------|
          | %C, %E, %Q                                                 |
          |------------------------------------------------------------|
          |                        S-Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S16, S18, S25, S26, S29, S30, S38, S95                     |
          |------------------------------------------------------------|
          |      Note: See MHI help file for complete information.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   UNIDENTIFIED COMMANDS                    |
          |------------------------------------------------------------|
          |           Command            |           Default           |
          |------------------------------+-----------------------------|
          |              \K              |              5              |
          |------------------------------+-----------------------------|
          |             S33              |              1              |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                    AUTO-ANSWER DEFAULT                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the default value for register S0   |
          |              | at power-up or when the &F command is       |
          |              | issued.                                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %B0     | S0 defaults to 0.                           |
          |--------------+---------------------------------------------|
          |     %B1      | S0 defaults to 2.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  AUTOMATIC RATE SELECTION                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects how the modem chooses a rate for    |
          |              | rate negotiations and retrains. Lower       |
          |              | speeds are more noise-resistant.            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *A0      | Choose lower than average speed.            |
          |--------------+---------------------------------------------|
          |    í *A1     | Choose average speed.                       |
          |--------------+---------------------------------------------|
          |     *A2      | Choose higher than average speed.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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                       |
          |------------------------------------------------------------|
          | 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                   |
          |--------------+---------------------------------------------|
          |    í #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.                      |
          |--------------+---------------------------------------------|
          |    í #C1     | 1300Hz V.25 calling tone enabled.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    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 VERIFICATION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem verifies entered  |
          |              | commands.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     #V0      | Command verification disabled.              |
          |--------------+---------------------------------------------|
          |    í #V1     | Command verification 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                   |
          |--------------+---------------------------------------------|
          |    í %P0     | DCD is raised after CONNECT message is      |
          |              | displayed.                                  |
          |--------------+---------------------------------------------|
          |     %P1      | DCD is raised before CONNECT message is     |
          |              | displayed.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CTS SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the CTS signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %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                   |
          |--------------+---------------------------------------------|
          |    í %R0     | CTS signal controlled by &R command.        |
          |--------------+---------------------------------------------|
          |     %R1      | CTS follows RTS.                            |
          |--------------+---------------------------------------------|
          |     %R2      | CTS follows RTS when on-line and follows    |
          |              | DTR when off-line.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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                   |
          |--------------+---------------------------------------------|
          |    í #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.        |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number.                        |
          |--------------+---------------------------------------------|
          |      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.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      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      | Displays ROM checksum result as OK or       |
          |              | ERROR.                                      |
          |--------------+---------------------------------------------|
          |      I3      | Displays modem model.                       |
          |--------------+---------------------------------------------|
          |      I4      | Displays firmware revision and release      |
          |              | date.                                       |
          |--------------+---------------------------------------------|
          |      I5      | Displays manufacturer information.          |
          |--------------+---------------------------------------------|
          |      I9      | Displays voice firmware manufacturer.       |
          |--------------+---------------------------------------------|
          |     I10      | Displays modem statistics.                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISPLAY PROFILES                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &V [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays the configuration profile          |
          |              | indicated. If no profile is specified the   |
          |              | active profile will be displayed.           |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &V0      | Displays stored profile 0.                  |
          |--------------+---------------------------------------------|
          |     &V1      | Displays stored profile 1.                  |
          |--------------+---------------------------------------------|
          |     &V2      | Displays stored profile 2.                  |
          |--------------+---------------------------------------------|
          |     &V3      | Displays stored profile 3.                  |
          |--------------+---------------------------------------------|
          |     &V8      | Displays all command setting differences    |
          |              | between the active and the default profile. |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DISTINCTIVE RING                      |
          |------------------------------------------------------------|
          | Format:        | AT [cmds] -SDR=n [cmds]                   |
          |----------------+-------------------------------------------|
          | Default:       | 0                                         |
          |----------------+-------------------------------------------|
          | Range:         | 0 - 7                                     |
          |----------------+-------------------------------------------|
          | Description:   | Selects which distinctive ring signals    |
          |                | the modem will respond to and how it will |
          |                | respond.                                  |
          |------------------------------------------------------------|
          |   Bit   | Value  |                Function                 |
          |---------+--------+-----------------------------------------|
          |    0    |    í 0 | Respond to ring type 1 as RING.         |
          |         |        |                                         |
          |         |      1 | Respond to ring type 1 as RING1.        |
          |------------------------------------------------------------|
          |      1      |  í 0 | Respond to ring type 2 as RING.       |
          |             |      |                                       |
          |             |    1 | Respond to ring type 2 as RING2.      |
          |-------------+------+---------------------------------------|
          |      2      |  í 0 | Respond to ring type 3 as RING.       |
          |             |      |                                       |
          |             |    1 | Respond to ring type 3 as RING3.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         DSR SIGNAL                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the behaviour of the DSR signal.   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %S0     | DSR normal.                                 |
          |--------------+---------------------------------------------|
          |     %S1      | DSR follows DTR.                            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DTR CHANGE THRESHOLD                    |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S75=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 10 mS                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the minimum time the DTR signal must   |
          |              | be high to be acknowledged by the modem.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects which extended result codes the     |
          |              | modem will display.                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %U0     | Reliable 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, and DES result    |
          |              | codes will be displayed.                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              EXTENDED RESULT CODES - RELIABLE              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects reliable extended result codes.     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \V0     | Reliable result codes disabled.             |
          |--------------+---------------------------------------------|
          |     \V1      | Reliable 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.  |
          |--------------+---------------------------------------------|
          |    í &K9     | Failsafe flow control 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 dialing or                |
          |              | connection/handshaking sequence may be      |
          |              | interrupted by user input.                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &N0      | Dial interrupt disabled.                    |
          |--------------+---------------------------------------------|
          |    í &N1     | Dial interrupt enabled.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       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.            |
          |--------------+---------------------------------------------|
          |      B1      | Auto-detect the highest common connect      |
          |              | speed.                                      |
          |--------------+---------------------------------------------|
          |      B2      | Select protocol specified by #B.            |
          |--------------+---------------------------------------------|
          |      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.              |
          |--------------+---------------------------------------------|
          |     B23      | Select V.34 at 31.2Kbps speed.              |
          |--------------+---------------------------------------------|
          |     B24      | Select V.34 at 33.6Kbps speed.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PROTOCOL/SPEED MODIFIER                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for      |
          |              | low-speed data calls.                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |    í #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.               |
          |--------------+---------------------------------------------|
          |    í #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 S66,     |
          |              | will notify the modem that a remote         |
          |              | configuration session has been requested.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               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.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |          REMOTE CONFIGURATION SEQUENCE GUARD TIME          |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S66=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Maximum time that may elapse for a remote   |
          |              | configuration character sequence to be      |
          |              | entered in order for it to be executed.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        RESULT CODES                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Qn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables modem to send result codes to the   |
          |              | DTE.                                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     í Q0     | Result code sending enabled.                |
          |--------------+---------------------------------------------|
          |      Q1      | Result code sending disabled.               |
          |--------------+---------------------------------------------|
          |      Q2      | Result code sending enabled; modem will not |
          |              | send RINGING result code in answer mode.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        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.    |
          |--------------+---------------------------------------------|
          |     í 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.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TRANSMISSION LEVEL                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0, 11 - 19                                  |
          |--------------+---------------------------------------------|
          | Unit:        | -1 dBm                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission. %L0 |
          |              | will display the current signal level.      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    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.              |
          |--------------+---------------------------------------------|
          |    í #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.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      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                   |
          |--------------+---------------------------------------------|
          |    í %W0     | Welcome message will not be displayed.      |
          |--------------+---------------------------------------------|
          |     %W1      | Welcome message will be displayed.          |