URI: 
  TEXT View Source
       
       # TDK ELECTRONICS CORPORATION
       
          DFV3400
       
          Card Type              Fax, Modem (asynchronous), Voice        
          Chip Set               Unidentified                            
          I/O Options            Speakerphone, Voice-mail                
          Maximum Data Rate      28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               PCMCIA Type II                          
          Fax Class              Class I & II                            
          Data Modulation        Bell 103J/212A                          
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34                           
                                                                         
                                 Rockwell V.FC                           
          Fax Modulation         ITU-T V.17, V.21CH2, V.27ter, V.29      
          Protocol               
          Error                  MNP5, MNP10, V.42, V.42bis              
          Correction/Compression 
       
                                                                   V1939
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |         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                        |
          |--------------+---------------------------------------------|
          |    í %E2     | Auto-fallback/fall-forward enabled          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BLACK-LISTED NUMBERS                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *B [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays a list of black-listed numbers     |
          |              | from the modem; the modem is unable to dial |
          |              | numbers on this list until its power has    |
          |              | been cycled.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK SEND                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 3                                           |
          |--------------+---------------------------------------------|
          | Range:       | 1-9                                         |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Sends break to modem                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:               | Configuration                        |
          |---------------------+--------------------------------------|
          | Format:             | AT [cmds] \Kn [cmds]                 |
          |---------------------+--------------------------------------|
          | Description:        | Configures action of break signal    |
          |------------------------------------------------------------|
          |  Command   |  Break from  |  Receive \B   | Break received |
          |            |     DTE      |               |  from remote   |
          |            |              |               |     modem      |
          |            | Normal mode  |               |                |
          |------------+--------------+---------------+----------------|
          |    \K0     | Online       | Buffers       | Buffers        |
          |            | command mode | cleared and   | cleared, break |
          |            | enabled, no  | break sent to | sent to DTE    |
          |            | break sent   | remote modem  |                |
          |------------+--------------+---------------+----------------|
          |    \K1     | Buffers      | Buffers       | Buffers        |
          |            | cleared and  | cleared and   | cleared, break |
          |            | break sent   | break sent to | sent to DTE    |
          |            | to remote    | remote modem  |                |
          |            | modem        |               |                |
          |------------+--------------+---------------+----------------|
          |    \K2     | Online       | Send break to | Break sent     |
          |            | command mode | remote modem  | immediately to |
          |            | enabled, no  | immediately   | DTE            |
          |            | break sent   |               |                |
          |------------+--------------+---------------+----------------|
          |    \K3     | Send break   | Send break to | Break sent     |
          |            | to remote    | remote modem  | immediately to |
          |            | modem        | immediately   | DTE            |
          |            | immediately  |               |                |
          |------------+--------------+---------------+----------------|
          |    \K4     | Online       | Send break    | Break sent     |
          |            | command mode | with          | with received  |
          |            | enabled, no  | transmitted   | data to the    |
          |            | break sent   | data          | DTE            |
          |------------+--------------+---------------+----------------|
          |   í \K5    | Send break   | Send break    | Break sent     |
          |            | with         | with          | with received  |
          |            | transmitted  | transmitted   | data to the    |
          |            | data         | data          | DTE            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CALLER ID                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #CID=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Controls the Caller ID function             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    #CID=0    | Caller ID disabled                          |
          |--------------+---------------------------------------------|
          |    #CID=1    | Caller ID displays formatted data           |
          |--------------+---------------------------------------------|
          |    #CID=2    | Caller ID displays raw hexadecimal data     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      CHARACTER PACING                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TJn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Turns off character pacing; this overrides  |
          |              | *TR. The modem will run at maximum speed.   |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |      *TJ0       | Transmit and receive character pacing    |
          |                 | disabled                                 |
          |-----------------+------------------------------------------|
          |      *TJ3       | Transmit and receive character pacing    |
          |                 | enabled                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |     %C1      | MNP5 enabled                                |
          |--------------+---------------------------------------------|
          |     %C2      | V.42bis enabled                             |
          |--------------+---------------------------------------------|
          |    í %C3     | MNP5 and V.42bis enabled                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the type of connection the modem   |
          |              | will operate in                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \N0      | Normal mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N1      | Direct mode enabled                         |
          |--------------+---------------------------------------------|
          |     \N2      | Reliable mode enabled                       |
          |--------------+---------------------------------------------|
          |     \N3      | Auto-reliable mode enabled                  |
          |--------------+---------------------------------------------|
          |     \N4      | V.42 reliable mode enabled                  |
          |--------------+---------------------------------------------|
          |     \N5      | MNP reliable mode enabled                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COUNTRY CODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *NCn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Sets country code                           |
          |------------------------------------------------------------|
          |    Command    |    Function    | Command |    Function     |
          |---------------+----------------+---------+-----------------|
          |     *NC40     | Australia      |  *NC09  | Luxembourg      |
          |---------------+----------------+---------+-----------------|
          |     *NC01     | Austria        |  *NC21  | Mexico          |
          |---------------+----------------+---------+-----------------|
          |     *NC02     | Belgium        |  *NC10  | Netherlands     |
          |---------------+----------------+---------+-----------------|
          |     *NC27     | Bulgaria       |  *NC48  | New Zealand     |
          |---------------+----------------+---------+-----------------|
          |     *NC20     | Canada         |  *NC11  | Norway          |
          |---------------+----------------+---------+-----------------|
          |     *NC19     | Czech Republic |  *NC24  | Poland          |
          |---------------+----------------+---------+-----------------|
          |     *NC03     | Denmark        |  *NC12  | Portugal        |
          |---------------+----------------+---------+-----------------|
          |     *NC04     | Finland        |  *NC25  | Russia          |
          |---------------+----------------+---------+-----------------|
          |     *NC05     | France         |  *NC47  | Singapore       |
          |---------------+----------------+---------+-----------------|
          |     *NC06     | Germany        |  *NC26  | Slovak Republic |
          |---------------+----------------+---------+-----------------|
          |     *NC17     | Greece         |  *NC13  | Spain           |
          |---------------+----------------+---------+-----------------|
          |     *NC23     | Hungary        |  *NC14  | Sweden          |
          |---------------+----------------+---------+-----------------|
          |     *NC07     | Ireland        |  *NC15  | Switzerland     |
          |---------------+----------------+---------+-----------------|
          |     *NC18     | Israel         |  *NC16  | United Kingdom  |
          |---------------+----------------+---------+-----------------|
          |     *NC08     | Italy          |  *NC22  | United States   |
          |---------------+----------------+---------+-----------------|
          |     *NC43     | Japan          |         |                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DELAYED NUMBERS                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *D [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays a list of delayed numbers from the |
          |              | modem. This is a list of numbers that the   |
          |              | modem attempted to call and failed, and is  |
          |              | not allowed to call again until a set       |
          |              | amount of time has elapsed.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            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                   |
          |--------------+---------------------------------------------|
          |      J       | Link will be negotiated at 1200bps          |
          |--------------+---------------------------------------------|
          |      K       | Power level adjustment during MNP 10 link   |
          |              | negotiation enabled                         |
          |--------------+---------------------------------------------|
          |      L       | Re-dial last number                         |
          |--------------+---------------------------------------------|
          |      P       | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |      T       | Tone dialing enabled                        |
          |--------------+---------------------------------------------|
          |      R       | Not used                                    |
          |--------------+---------------------------------------------|
          |     S=n      | Dial stored telephone number (n=0-3)        |
          |--------------+---------------------------------------------|
          |      !       | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook. S29 controls the time.   |
          |--------------+---------------------------------------------|
          |      W       | Dialing resumed following dial tone         |
          |              | detection. S7 is used for U.S., S6 for      |
          |              | Global class.                               |
          |--------------+---------------------------------------------|
          |      @       | 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.   |
          |--------------+---------------------------------------------|
          |      &       | Wait for prompt tone detection function     |
          |              | enabled. Waits for prompt tone for amount   |
          |              | of time specified by the S7 command.        |
          |--------------+---------------------------------------------|
          |      ,       | Dialing paused for amount of time specified |
          |              | in S8 register                              |
          |--------------+---------------------------------------------|
          |      ;       | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command.                        |
          |--------------+---------------------------------------------|
          |      ^       | Calling tone enabled/disabled for this call |
          |              | only                                        |
          |--------------+---------------------------------------------|
          |    ( ) -     | May be used to format dial string;          |
          |   <space>    | otherwise they are ignored.                 |
          |--------------+---------------------------------------------|
          |      >       | Enabled by country specific parameters,     |
          |              | modem generates grounding pulse to EARTH    |
          |              | relay output.                               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  DOWNLOAD - FLASH MEMORY                   |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] **n [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets speed that downloads are sent to flash |
          |              | memory                                      |
          |------------------------------------------------------------|
          |       Command       |               Function               |
          |---------------------+--------------------------------------|
          |         **0         | Download at last speed sensed        |
          |---------------------+--------------------------------------|
          |         **1         | Download at 38.4Kbps                 |
          |---------------------+--------------------------------------|
          |         **2         | Download at 57.6Kbps                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                DTE SPEED - HIGH SPEED MODE                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TRn [cmds]                       |
          |--------------+---------------------------------------------|
          | Default:     | Set by local DTE                            |
          |--------------+---------------------------------------------|
          | Range:       | 150-500000                                  |
          |--------------+---------------------------------------------|
          | Unit:        | bps                                         |
          |--------------+---------------------------------------------|
          | Description: | Sets DTE speed for high speed mode          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   EXTENDED RESULT CODES                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects extended result codes               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í \V0     | Extended result codes disabled              |
          |--------------+---------------------------------------------|
          |     \V1      | Extended result codes enabled               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      IDENTIFY DRIVER                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] ^I [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Identifies cellular phone driver            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     LINE SIGNAL LEVEL                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Returns a value which indicates the         |
          |              | received line signal level                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    LINE SIGNAL QUALITY                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Q [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Returns a value which indicates line signal |
          |              | quality                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \An [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \A0      | MNP block size is 64 characters             |
          |--------------+---------------------------------------------|
          |    í \A1     | MNP block size is 128 characters            |
          |--------------+---------------------------------------------|
          |     \A2      | MNP block size is 192 characters            |
          |--------------+---------------------------------------------|
          |     \A3      | MNP block size is 256 characters            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  MNP - EXTENDED SERVICES                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects MNP extended services               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í -K0     | MNP extended services disabled              |
          |--------------+---------------------------------------------|
          |     -K1      | MNP extended services enabled               |
          |--------------+---------------------------------------------|
          |     -K2      | MNP extended services enabled without       |
          |              | indicating MNP on the answer detection      |
          |              | phase.                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         MNP10 - EC                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -SEC=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Controls MNP10-EC and transmit level        |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    -SEC=0     | MNP10-EC disabled                          |
          |---------------+--------------------------------------------|
          |   -SEC=1,n    | MNP10-EC enabled and set transmit level to |
          |               | (n=0-30); if no number is entered for      |
          |               | transmit level, S91 is used.               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      MNP10 - FALLBACK                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Allows MNP10 to fall back to speeds slower  |
          |              | than 4800bps                                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     -Q0      | MNP10 at 2400 and 1200bps disabled,         |
          |              | fallback to 4800bps                         |
          |--------------+---------------------------------------------|
          |    í -Q1     | MNP10 at 2400 and 1200bps enabled           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  MNP10 - LINK NEGOTIATION                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed at which MNP10 link          |
          |              | negotiation will occur                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í *H0     | Link will be negotiated at highest possible |
          |              | speed                                       |
          |--------------+---------------------------------------------|
          |     *H1      | Link will be negotiated at 1200bps          |
          |--------------+---------------------------------------------|
          |     *H2      | Link will be negotiated at 4800bps          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 MNP10 - POWER LEVEL ADJUST                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] )Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls automatic transmit power level     |
          |              | adjustment during MNP 10 link negotiation   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í )M0     | Power level adjustment disabled             |
          |--------------+---------------------------------------------|
          |     )M1      | Power level adjustment enabled; power level |
          |              | determined by modem.                        |
          |--------------+---------------------------------------------|
          |     )M2      | Power level adjustment enabled; power level |
          |              | remains fixed.                              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    MODULATION SELECTION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] +MS=x,y,z,a [cmds]                |
          |--------------+---------------------------------------------|
          | Description: | Sets options for active protocol; the       |
          |              | transfer rates specified by z and a must be |
          |              | valid for the protocol selected.            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     +MS?     | Displays modulation, automode, minimum rate |
          |              | and maximum rate settings                   |
          |--------------+---------------------------------------------|
          |     x=0      | V.21                                        |
          |--------------+---------------------------------------------|
          |     x=1      | V.22                                        |
          |--------------+---------------------------------------------|
          |     x=2      | V.22bis                                     |
          |--------------+---------------------------------------------|
          |     x=3      | V.23                                        |
          |--------------+---------------------------------------------|
          |     x=9      | V.32                                        |
          |--------------+---------------------------------------------|
          |     x=10     | V.32bis                                     |
          |--------------+---------------------------------------------|
          |    í x=11    | V.34                                        |
          |--------------+---------------------------------------------|
          |     x=64     | Bell 103                                    |
          |--------------+---------------------------------------------|
          |     x=69     | Bell 212A                                   |
          |--------------+---------------------------------------------|
          |     x=74     | V.FC                                        |
          |--------------+---------------------------------------------|
          |     y=0      | Automode disabled                           |
          |--------------+---------------------------------------------|
          |    í y=1     | Auto-detect highest speed enabled           |
          |--------------+---------------------------------------------|
          |   z, a=300   | Set minimum or maximum transfer rate at     |
          |              | 300bps, respectively.                       |
          |--------------+---------------------------------------------|
          |  z, a=1200   | Set minimum or maximum transfer rate at     |
          |              | 1200bps, respectively.                      |
          |--------------+---------------------------------------------|
          |  z, a=2400   | Set minimum or maximum transfer rate at     |
          |              | 2400bps, respectively.                      |
          |--------------+---------------------------------------------|
          |  z, a=4800   | Set minimum or maximum transfer rate at     |
          |              | 4800bps, respectively.                      |
          |--------------+---------------------------------------------|
          |  z, a=7200   | Set minimum or maximum transfer rate at     |
          |              | 7200bps, respectively.                      |
          |--------------+---------------------------------------------|
          |  z, a=9600   | Set minimum or maximum transfer rate at     |
          |              | 9600bps, respectively.                      |
          |--------------+---------------------------------------------|
          |  z, a=12000  | Set minimum or maximum transfer rate at     |
          |              | 12000bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=14400  | Set minimum or maximum transfer rate at     |
          |              | 14400bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=16800  | Set minimum or maximum transfer rate at     |
          |              | 16800bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=19200  | Set minimum or maximum transfer rate at     |
          |              | 19200bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=21600  | Set minimum or maximum transfer rate at     |
          |              | 21600bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=24000  | Set minimum or maximum transfer rate at     |
          |              | 24000bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=26400  | Set minimum or maximum transfer rate at     |
          |              | 26400bps, respectively.                     |
          |--------------+---------------------------------------------|
          |  z, a=28800  | Set minimum or maximum transfer rate at     |
          |              | 28800bps, respectively.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                NVRAM - OVERCURRENT COMMANDS                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TOn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Enables the read/write function and allows  |
          |              | *TS0 and *TS1 settings to be stored in and  |
          |              | read from NVRAM                             |
          |------------------------------------------------------------|
          |     Command     |                 Function                 |
          |-----------------+------------------------------------------|
          |      *TO0       | Read overcurrent settings from NVRAM     |
          |-----------------+------------------------------------------|
          |      *TO1       | Write overcurrent settings to NVRAM      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     OVERCURRENT DETECT                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TS1=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Controls the message that is used with      |
          |              | ATXn, during overcurrent detection of       |
          |              | digital line.                               |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    *TS1=0     | Standard result code enabled; reports NO   |
          |               | CARRIER with X0, X1, and X3 command, and   |
          |               | NO DIALTONE with X2, X4 command.           |
          |---------------+--------------------------------------------|
          |    *TS1=1     | Diagnostic result code enabled; reports    |
          |               | DIGITAL LINE with X0-X4 command.           |
          |---------------+--------------------------------------------|
          |    *TS1=2     | Overcurrent protection disabled            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               OVERCURRENT PROTECTION TIMEOUT               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TS0=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Default:     | 20                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Checks settle time, 10ms ticks at a time    |
          |              | before qualifying digital overcurrent       |
          |              | detection.                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports product code                        |
          |--------------+---------------------------------------------|
          |      I1      | Reports precomputed checksum                |
          |--------------+---------------------------------------------|
          |      I2      | Reports ‘OK’                                |
          |--------------+---------------------------------------------|
          |      I3      | Reports firmware part number and revision   |
          |--------------+---------------------------------------------|
          |      I4      | Reports ID string - Hayes-compatible binary |
          |--------------+---------------------------------------------|
          |      I5      | Reports country code                        |
          |--------------+---------------------------------------------|
          |      I6      | Reports modem data pump and internal code   |
          |              | revision                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TIn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |     *TI0      | Reports ROM checksum                       |
          |---------------+--------------------------------------------|
          |     *TI1      | Reports flash identification code          |
          |---------------+--------------------------------------------|
          |     *TI2      | Reports Rockwell code version              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               SPECIAL CONFIGURATION COMMAND                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *TSn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Controls digital line/overcurrent sense     |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |    *TSn=x     | Stores n in special register x             |
          |---------------+--------------------------------------------|
          |     *TSn?     | Display current sense value n of special   |
          |               | register x                                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      STATUS INDICATOR                      |
          |------------------------------------------------------------|
          | Format       | AT [cmds] ^T6 [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | Read only                                   |
          |--------------+---------------------------------------------|
          | Range:       | 0-191                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Indicate status of cellular phone           |
          |--------------+---------------------------------------------|
          | Bit  | Value |                   Meaning                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not receiving a call                        |
          |      |       |                                             |
          |      |     1 | Receiving Call                              |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Not in use                                  |
          |      |       |                                             |
          |      |     1 | In use                                      |
          |------+-------+---------------------------------------------|
          |  2   |     0 | Unlocked, can be used                       |
          |      |       |                                             |
          |      |     1 | Locked, cannot be used                      |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Service for cell phone                      |
          |      |       |                                             |
          |      |     1 | No service for cell phone                   |
          |------+-------+---------------------------------------------|
          |  4   |     0 | Powered off                                 |
          |      |       |                                             |
          |      |     1 | Powered on                                  |
          |------+-------+---------------------------------------------|
          |  5   |     0 | Cellular Driver not initialized             |
          |      |       |                                             |
          |      |     1 | Cellular Driver initialized                 |
          |------+-------+---------------------------------------------|
          |  6   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Cellular Cable not detected                 |
          |      |       |                                             |
          |      |     1 | Cellular Cable detected                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      STATUS-REGISTER                       |
          |------------------------------------------------------------|
          | Type:          | Configuration                             |
          |----------------+-------------------------------------------|
          | Format:        | Read: AT? [cmds]                          |
          |                |                                           |
          |                | Write: AT=n [cmds]                        |
          |----------------+-------------------------------------------|
          | Description:   | Writes to or reads from a specified       |
          |                | register                                  |
          |------------------------------------------------------------|
          |      Note: See the section on S-registers for detailed     |
          |      listing of commonly used S-registers.                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      STATUS-REGISTER                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Sn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls action taken to s-registers        |
          |------------------------------------------------------------|
          |    Command     |                 Function                  |
          |----------------+-------------------------------------------|
          |       n        | S-register n established as lasted        |
          |                | accessed                                  |
          |----------------+-------------------------------------------|
          |      n=x       | Set S-register n to value x               |
          |----------------+-------------------------------------------|
          |       n?       | Reports value of S-register n             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      TEST MODE - PTT                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %TTn [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Send PTT test signals for line tests        |
          |------------------------------------------------------------|
          |    Command    |     Function     | Command |   Function    |
          |---------------+------------------+---------+---------------|
          | %TT00 - %TT09 | DTMF tone dial   |  %TT21  | V.32bis       |
          |               | digits 0 - 9     |         | 14400bps      |
          |---------------+------------------+---------+---------------|
          |     %TT0A     | DTMF digit *     |  %TT30  | Silence       |
          |               |                  |         | (on-line;     |
          |               |                  |         | i.e., go      |
          |               |                  |         | off-hook)     |
          |---------------+------------------+---------+---------------|
          |     %TT0B     | DTMF digit #     |  %TT31  | V.25 answer   |
          |               |                  |         | tone          |
          |---------------+------------------+---------+---------------|
          |     %TT0C     | DTMF digit A     |  %TT32  | 1800Hz guard  |
          |               |                  |         | tone          |
          |---------------+------------------+---------+---------------|
          |     %TT0D     | DTMF digit B     |  %TT33  | V.25 calling  |
          |               |                  |         | tone (1300Hz) |
          |---------------+------------------+---------+---------------|
          |     %TT0E     | DTMF digit C     |  %TT34  | Fax calling   |
          |               |                  |         | tone (1100Hz) |
          |---------------+------------------+---------+---------------|
          |     %TT0F     | DTMF digit D     |  %TT40  | V.21 channel  |
          |               |                  |         | 2             |
          |---------------+------------------+---------+---------------|
          |     %TT10     | V.21 channel 1   |  %TT41  | V.27ter       |
          |               | mark (originate) |         | 2400bps       |
          |               | symbol           |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT11     | V.21 channel 2   |  %TT42  | V27ter        |
          |               | mark symbol      |         | 4800bps       |
          |---------------+------------------+---------+---------------|
          |     %TT12     | V.23 backward    |  %TT43  | V.29 7200bps  |
          |               | channel mark     |         |               |
          |               | symbol           |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT13     | V.23 forward     |  %TT44  | V.29 9600bps  |
          |               | channel mark     |         |               |
          |               | symbol           |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT15     | V.22 originate   |  %TT45  | V.17 7200bps  |
          |               | (call mark)      |         | long train    |
          |               | signaling at     |         |               |
          |               | 1200bps          |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT16     | V.22bis          |  %TT46  | V.17 7200bps  |
          |               | originate (call  |         | long train    |
          |               | mark) signaling  |         |               |
          |               | at 2400bps       |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT17     | V.22 answer      |  %TT47  | V.17 9600bps  |
          |               | signaling (guard |         | long train    |
          |               | tone if PTT      |         |               |
          |               | required)        |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT18     | V.22bis answer   |  %TT48  | V.17 9600bps  |
          |               | signaling (guard |         | short train   |
          |               | tone if          |         |               |
          |               | required)        |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT19     | V.21 channel 1   |  %TT49  | V.17 12000bps |
          |               | space symbol     |         | long train    |
          |---------------+------------------+---------+---------------|
          |     %TT1A     | V.21 channel 2   |  %TT4A  | V.17 12000bps |
          |               | space symbol     |         | short train   |
          |---------------+------------------+---------+---------------|
          |     %TT1B     | V.23 backward    |  %TT4B  | V.17 14400bps |
          |               | channel space    |         | long train    |
          |               | symbol           |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT1C     | V.23 forward     |  %TT4C  | V.17 14400bps |
          |               | channel space    |         | short train   |
          |               | symbol           |         |               |
          |---------------+------------------+---------+---------------|
          |     %TT20     | V.32 9600bps     |         |               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    TEST MODE - PTT/V.FC                    |
          |------------------------------------------------------------|
          | Type:             | Immediate                              |
          |-------------------+----------------------------------------|
          | Format:           | AT [cmds] %TTn [cmds]                  |
          |-------------------+----------------------------------------|
          | Description:      | Send PTT test signals for line tests.  |
          |                   | V.FC modulation signal                 |
          |------------------------------------------------------------|
          |        Command        |              Function              |
          |-----------------------+------------------------------------|
          |     %TT5R,S,C,A,P     | V.FC modulation, R,S,C,A, and P    |
          |                       | parameters. See below:             |
          |------------------------------------------------------------|
          | Parameter  | Description  | Default  |  V.FC   |   V.FC    |
          |            |              |          |  range  | parameter |
          |------------+--------------+----------+---------+-----------|
          |     A      |  Auxillary   |    0     |   0/1   | SECEN     |
          |            |   channel    |          |         |           |
          |------------+--------------+----------+---------+-----------|
          |     C      |   Carrier    |    0     | +n*5Hz  | Fn59,     |
          |            |    offset    |          |         | addr 212  |
          |------------+--------------+----------+---------+-----------|
          |     P      | Pre-emphasis |    0     |  0-15   | Fn63,     |
          |            |              |          |         | addr 0E6  |
          |------------+--------------+----------+---------+-----------|
          |     R      |  Data rate   |          |  6-Ch   | CONF      |
          |            |              |          |         | (+41h)    |
          |------------+--------------+----------+---------+-----------|
          |     S      | Symbol rate  | 0 (2400  |   0-5   | Fn60,     |
          |            |              |  baud)   | (mask)  | addr 101  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               TRANSMISSION LEVEL - CELLULAR                |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 11-31                                       |
          |--------------+---------------------------------------------|
          | Unit:        | -1dBm                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission      |
          |              | while in cellular mode                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     @M0      | -26 dBm                                     |
          |--------------+---------------------------------------------|
          |     @M1      | -30 dBm                                     |
          |--------------+---------------------------------------------|
          |   @M2-@M10   | -10 dBm                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                V.32 - COMPROMISE EQUALIZER                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] :En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls V.32 compromise equalizer          |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     :E0      | Equalizer disabled                          |
          |--------------+---------------------------------------------|
          |    í :E1     | Equalizer enabled                           |