(TXT) View Source
       
       # EXP COMPUTER, INC.
       
          288I
       
          Modem Type             Data (synchronous/asynchronous)/Fax     
          Maximum Data Rate      28.8Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Bus               PCMCIA Type II                          
          Fax Class              Class I & II                            
          Data Modulation        Bell 103A/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, V.42, V.42bis                     
          Correction/Compression 
       
                                                                   V1467
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |            AUTO-RETRAIN - FALLBACK/FALLFORWARD             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT %E1 <CR>                                 |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain mode and              |
          |              | fallback/fall forward.                      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %E0      | Auto-retrain disabled.                      |
          |--------------+---------------------------------------------|
          |     %E1      | Auto-retrain enabled.                       |
          |--------------+---------------------------------------------|
          |     %E2      | Fallback/fall forward enabled.              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    BIT-MAPPED REGISTERS                    |
          |------------------------------------------------------------|
          |           Register           |           Default           |
          |------------------------------+-----------------------------|
          |             S14              |             138             |
          |------------------------------+-----------------------------|
          |             S21              |              4              |
          |------------------------------+-----------------------------|
          |             S22              |             117             |
          |------------------------------+-----------------------------|
          |             S23              |             55              |
          |------------------------------+-----------------------------|
          |             S27              |             73              |
          |------------------------------+-----------------------------|
          |             S28              |              0              |
          |------------------------------+-----------------------------|
          |             S31              |              2              |
          |------------------------------+-----------------------------|
          |             S40              |             107             |
          |------------------------------+-----------------------------|
          |             S41              |              3              |
          |------------------------------+-----------------------------|
          |             S80              |              0              |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK SEND                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Bn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT \B3 &W<CR>                               |
          |--------------+---------------------------------------------|
          | Range:       | 1-9                                         |
          |--------------+---------------------------------------------|
          | Unit:        | .1 second                                   |
          |--------------+---------------------------------------------|
          | Description: | Sends break to modem.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          |Type:       |Configuration                                  |
          |------------+-----------------------------------------------|
          |Format:     |AT [cmds] \Kn [cmds]                           |
          |------------+-----------------------------------------------|
          |Example:    |AT \K1 <CR>                                    |
          |------------+-----------------------------------------------|
          |Description:|Configures action of break signal.             |
          |------------------------------------------------------------|
          |   Command   | Break from DTE  |Modem receives| Break from  |
          |             |                 |      \B      |remote modem |
          |             | Reliable/Normal |              |             |
          |             |      mode       |              |             |
          |-------------+-----------------+--------------+-------------|
          |     \K0     |Enter command    |Buffers       |Buffers      |
          |             |mode, do not send|cleared and   |cleared and  |
          |             |break to remote  |break sent to |break sent to|
          |             |modem.           |remote modem. |DTE.         |
          |-------------+-----------------+--------------+-------------|
          |     \K1     |Buffers cleared  |Buffers       |Buffers      |
          |             |and break sent to|cleared and   |cleared and  |
          |             |remote modem.    |break sent to |break sent to|
          |             |                 |remote modem. |DTE.         |
          |-------------+-----------------+--------------+-------------|
          |     \K2     |Enter command    |Send break to |Send break to|
          |             |mode, do not send|remote modem  |DTE          |
          |             |break to remote  |immediately.  |immediately. |
          |             |modem.           |              |             |
          |-------------+-----------------+--------------+-------------|
          |     \K3     |Send break to    |Send break to |Send break to|
          |             |remote modem     |remote modem  |DTE          |
          |             |immediately.     |immediately.  |immediately. |
          |-------------+-----------------+--------------+-------------|
          |     \K4     |Enter command    |Send break to |Break sent   |
          |             |mode, do not send|remote modem  |with received|
          |             |break to remote  |with          |data to the  |
          |             |modem.           |transmitted   |DTE.         |
          |             |                 |data.         |             |
          |-------------+-----------------+--------------+-------------|
          |» \K5        |Send break with  |Send break to |Break sent   |
          |             |transmitted data.|remote modem  |with received|
          |             |                 |with          |data to the  |
          |             |                 |transmitted   |DTE.         |
          |             |                 |data.         |             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CALLER ID                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] #CID=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Example:     | AT #CID=2<CR>                               |
          |--------------+---------------------------------------------|
          | 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.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                CELLULAR TRANSMISSION LEVEL                 |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S201=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Example:     | AT S201=26 &W<CR>                           |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | -dBm                                        |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission when |
          |              | in leased line mode.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              COMPRESSION AND ERROR CORRECTION              |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT %Cn                                      |
          |--------------+---------------------------------------------|
          | Example:     | AT %C0 *Y1<CR>                              |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression and error          |
          |              | correction.                                 |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Data compression disabled.                  |
          |--------------+---------------------------------------------|
          |     %C1      | Data compression enabled.                   |
          |--------------+---------------------------------------------|
          |     %C2      | Data correction enabled.                    |
          |--------------+---------------------------------------------|
          |     %C3      | Data compression and correction enabled.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMPROMISE EQUALIZER                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] :En [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT :E &W<CR>                                |
          |--------------+---------------------------------------------|
          | Description: | Controls V.32 compromise equalizer.         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     :E0      | Equalizer disabled.                         |
          |--------------+---------------------------------------------|
          | » :E1        | Equalizer enabled.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT \N1 DT555-1212<CR>                       |
          |--------------+---------------------------------------------|
          | Description: | Sets connect mode.                          |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \N0      | Normal mode enabled.                        |
          |--------------+---------------------------------------------|
          |     \N1      | Direct mode enabled.                        |
          |--------------+---------------------------------------------|
          |     \N2      | Reliable mode enabled.                      |
          |--------------+---------------------------------------------|
          |     \N3      | Auto-reliable mode enabled.                 |
          |--------------+---------------------------------------------|
          |     \N4      | LAP-M mode only enabled.                    |
          |--------------+---------------------------------------------|
          |     \N5      | MNP mode enabled.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      DOWNLOAD DRIVER                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] ^C2 [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT ^C2 &W<CR>                               |
          |--------------+---------------------------------------------|
          | Description: | Download cellular phone driver.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FAX TRANSMIT LEVEL                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S92=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | ATS92=10<CR>                                |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 1-15                                        |
          |--------------+---------------------------------------------|
          | Unit:        | -1dBm                                       |
          |--------------+---------------------------------------------|
          | Description: | Controls fax transmission level.            |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  FLASH DIAL MODIFIER TIME                  |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S29=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | ATS29=0<CR>                                 |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | 10 ms                                       |
          |--------------+---------------------------------------------|
          | Description: | Time the modem will go on-hook upon         |
          |              | receiving the ! dial modifier in dial       |
          |              | string.                                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT \G1 &K3<CR>                              |
          |--------------+---------------------------------------------|
          | Description: | Selects modem port flow control.            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \G0      | Flow control disabled.                      |
          |--------------+---------------------------------------------|
          |     \G1      | Flow control enabled.                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        HDLC ADDRESS                        |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S20=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | ATS20=6<CR>                                 |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the HDLC address/BSC character.        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      IDENTIFY DRIVER                       |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] ^I [cmds]                         |
          |--------------+---------------------------------------------|
          | Example:     | AT ^I &W<CR>                                |
          |--------------+---------------------------------------------|
          | Description: | Identifies cellular phone driver.           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               LEASED LINE TRANSMISSION LEVEL               |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S99=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | AT S99=8<CR>                                |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0 -15                                       |
          |--------------+---------------------------------------------|
          | Unit:        | -1 dBm                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission when |
          |              | in leased-line mode.                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     LINE SIGNAL LEVEL                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %L [cmds]                         |
          |--------------+---------------------------------------------|
          | Example:     | AT %L &W<CR>                                |
          |--------------+---------------------------------------------|
          | Description: | Returns received line signal level.         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   REPORT SIGNAL QUALITY                    |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Q [cmds]                         |
          |--------------+---------------------------------------------|
          | Example:     | AT %Q<CR>                                   |
          |--------------+---------------------------------------------|
          | Description: | Reports signal quality. If the value is     |
          |              | greater than 7, the modem will retrain.     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            MAXIMUM BLOCK SIZE FOR TRANSMISSION             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \An [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT \A3 &MB28800<CR>                         |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum transmittable block size.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \A0      | Maximum MNP block size is 64 characters.    |
          |--------------+---------------------------------------------|
          |     \A1      | Maximum MNP block size is 128 characters.   |
          |--------------+---------------------------------------------|
          |     \A2      | Maximum MNP block size is 192 characters.   |
          |--------------+---------------------------------------------|
          |     \A3      | Maximum MNP block size is 256 characters.   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     MNP10 COMPRESSION                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT %C1 -K1 -Q0 <CR>                         |
          |--------------+---------------------------------------------|
          | Description: | Selects MNP10 data compression.             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     -K0      | MNP10 disabled.                             |
          |--------------+---------------------------------------------|
          | » -K1        | MNP10 enabled.                              |
          |--------------+---------------------------------------------|
          |     -K2      | MNP10 enabled on answer mode only.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      MNP10 FALL-BACK                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT *H0 -Q1 <CR>                             |
          |--------------+---------------------------------------------|
          | Description: | Allows MNP10 to fall back to speeds slower  |
          |              | than 4800bps.                               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     -Q0      | MNP10 at 2400 and 1200bps disabled.         |
          |--------------+---------------------------------------------|
          | » -Q1        | MNP10 at 2400 and 1200bps enabled.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   MNP10 LINK NEGOTIATION                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] *Hn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT *H0 -Q1 <CR>                             |
          |--------------+---------------------------------------------|
          | Description: | Sets the speed at which MNP10 link          |
          |              | negotiation will occur.                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     *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]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT )M1 %C1<CR>                              |
          |--------------+---------------------------------------------|
          | Description: | Controls automatic transmit power level     |
          |              | adjustment during MNP 10 link negotiation.  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     )M0      | Power level adjustment disabled.            |
          |--------------+---------------------------------------------|
          |     )M1      | Power level adjustment enabled.             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                MODULATION SELECTION DISPLAY                |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] +MS?                              |
          |--------------+---------------------------------------------|
          | Example:     | AT +MS? <CR>                                |
          |--------------+---------------------------------------------|
          | Description: | Displays modulation, automode, minimum rate |
          |              | and maximum rate settings                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    MODULATION SELECTION                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] +MS=xx,y,zzz,aaa [cmds]           |
          |--------------+---------------------------------------------|
          | Example:     | AT +MS11,1,300,28800 &W<CR>                 |
          |--------------+---------------------------------------------|
          | Description: | Sets options for active protocol. The       |
          |              | transfer rates specified by z and a must be |
          |              | valid for the protocol selected.            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     x=0      | V.21                                        |
          |--------------+---------------------------------------------|
          |     x=1      | V.22                                        |
          |--------------+---------------------------------------------|
          |     x=2      | V.22bis                                     |
          |--------------+---------------------------------------------|
          |     x=3      | V.23                                        |
          |--------------+---------------------------------------------|
          |     x=9      | V.32                                        |
          |--------------+---------------------------------------------|
          |     x=10     | V.32bis                                     |
          |--------------+---------------------------------------------|
          | » x=11       | V.34                                        |
          |--------------+---------------------------------------------|
          |     x=64     | Bell 103A                                   |
          |--------------+---------------------------------------------|
          |     x=69     | Bell 212A                                   |
          |--------------+---------------------------------------------|
          |     x=74     | V.FC                                        |
          |--------------+---------------------------------------------|
          |     y=0      | Automode disabled.                          |
          |--------------+---------------------------------------------|
          |     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.                     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               REMOTE ACCESS ESCAPE CHARACTER               |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S202=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Example:     | ATS202=6<CR>                                |
          |--------------+---------------------------------------------|
          | Default:     | 170                                         |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the remote access escape character.    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Example:     | AT I1 O<CR>                                 |
          |--------------+---------------------------------------------|
          | Description: | Displays modem properties.                  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports product code.                       |
          |--------------+---------------------------------------------|
          |      I1      | Reports ROM checksum result.                |
          |--------------+---------------------------------------------|
          |      I2      | Reports OK.                                 |
          |--------------+---------------------------------------------|
          |      I3      | Reports firmware version.                   |
          |--------------+---------------------------------------------|
          |      I4      | Reports OEM version.                        |
          |--------------+---------------------------------------------|
          |      I5      | Reports country code.                       |
          |--------------+---------------------------------------------|
          |      I6      | Reports current connection’s statistics.    |
          |--------------+---------------------------------------------|
          |      I7      | Reports DAA code.                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        SLEEP TIMER                         |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S24=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | ATS24=40<CR>                                |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Unit:        | 1 second                                    |
          |--------------+---------------------------------------------|
          | Description: | Maximum duration of DTE and DCE inactivity  |
          |              | allowed prior to initiating low-power sleep |
          |              | mode.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      STATUS INDICATOR                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] ^T6 [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT ^T6 &W<CR>                               |
          |--------------+---------------------------------------------|
          | Description: | indicate status of cellular phone.          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Format        | AT [cmds] S16=n [cmds]                     |
          |---------------+--------------------------------------------|
          | Example:      | ATS16=40<CR>                               |
          |---------------+--------------------------------------------|
          | Default:      | 0                                          |
          |---------------+--------------------------------------------|
          | Range:        | 0-125                                      |
          |---------------+--------------------------------------------|
          | Unit:         | Bit-mapped                                 |
          |---------------+--------------------------------------------|
          | Description:  | Controls loopback tests, analog, digital,  |
          |               | remote digital, and self tests.            |
          |------------------------------------------------------------|
          |   Bit   | Value |                 Function                 |
          |---------+-------+------------------------------------------|
          |    0    | » 0   | Local analog loopback not in progress.   |
          |         |       |                                          |
          |         |   1   | Local analog loopback in progress.       |
          |---------+-------+------------------------------------------|
          |    1    |   0   | Not used.                                |
          |---------+-------+------------------------------------------|
          |    2    | » 0   | Local digital loopback not in progress.  |
          |         |       |                                          |
          |         |   1   | Local digital loopback in progress.      |
          |---------+-------+------------------------------------------|
          |    3    | » 0   | Modem not in remote digital loopback.    |
          |         |       |                                          |
          |         |   1   | Remote digital loopback in progress.     |
          |---------+-------+------------------------------------------|
          |    4    | » 0   | Remote digital loopback not requested.   |
          |         |       |                                          |
          |         |   1   | Remote digital loopback requested.       |
          |---------+-------+------------------------------------------|
          |    5    | » 0   | Remote digital loopback w/ self-test not |
          |         |       | in progress.                             |
          |         |   1   |                                          |
          |         |       | Remote digital loopback w/ self-test in  |
          |         |       | progress.                                |
          |---------+-------+------------------------------------------|
          |    6    | » 0   | Local analog loopback w/ self-test not   |
          |         |       | in progress.                             |
          |         |   1   |                                          |
          |         |       | Local analog loopback w/ self-test in    |
          |         |       | progress.                                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      TEST MODE - PTT                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %TT [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT %TT &W<CR>                               |
          |--------------+---------------------------------------------|
          | Description: | Send PTT test signals for European line     |
          |              | test.                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     TRANSMISSION LEVEL                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] @Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Example:     | AT @M25 &W<CR>                              |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 11-31                                       |
          |--------------+---------------------------------------------|
          | Unit:        | -1 dBm                                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the signal level for transmission.     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          | » @M0        | -26dBm                                      |
          |--------------+---------------------------------------------|
          |     @M1      | -30dBm                                      |
          |--------------+---------------------------------------------|
          |   @M2-@M10   | -10dBm                                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |               FLOW CONTROL CHARACTER - XOFF                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S33=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | ATS33=20<CR>                                |
          |--------------+---------------------------------------------|
          | Default:     | 19                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used to represent XOFF.  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                FLOW CONTROL CHARACTER - XON                |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] S32=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Example:     | ATS32=20<CR>                                |
          |--------------+---------------------------------------------|
          | Default:     | 17                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | ASCII                                       |
          |--------------+---------------------------------------------|
          | Description: | Sets the character used to represent XON.   |