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       # MIRO COMPUTER PRODUCTS, INC.
       
          MIROMEDIA ONLINE PNP
       
          Card Type              Modem/Communication Adapter card        
          Chip Set               Unidentified                            
          I/O Options:           Analog telephone port (RJ-11),          
                                 microphone in, audio in, audio out,     
                                 game/MIDI port, TV/audio in, IDE        
                                 interface                               
          Maximum Modem Rate     33.6Kbps                                
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103/212                            
          Protocol                                                       
                                 ITU-T V.22, V.22bis, V.32, V.32bis,     
                                 V.34                                    
          Fax Modulation         ITU-T V.17, V.27ter, V.29               
          Protocol               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               16-bit ISA                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function      |   Label    |   Function    |  Label   |
          |------------------------------------------------------------|
          | Miromedia radio          |     CN1      | Microphone | CN5 |
          | connector                |              | in         |     |
          |--------------------------+--------------+------------+-----|
          | Line in (RJ-11)          |     CN2      | Audio in   | CN6 |
          |--------------------------+--------------+------------+-----|
          | Internal telephone       | CN3/pins 1-5 | Audio out  | CN7 |
          | connector                |              |            |     |
          |--------------------------+--------------+------------+-----|
          | Microphone connector     | CN3/pins 6-8 | MIDI/game  | CN8 |
          |                          |              | port       |     |
          |--------------------------+--------------+------------+-----|
          | TV/audio in              |     CN4      |            |     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, ‘+++’, A/                                              |
          |------------------------------------------------------------|
          | A, B, E, F, M, P, Q, T, V, X, Y                            |
          |------------------------------------------------------------|
          | &E, &V, &W, &Z                                             |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \B \L, \V                                                  |
          |------------------------------------------------------------|
          | %E                                                         |
          |------------------------------------------------------------|
          |                      Special Commands                      |
          |------------------------------------------------------------|
          | "H, "N                                                     |
          |------------------------------------------------------------|
          | +MS                                                        |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S25, S30, S32, S33                                         |
          |------------------------------------------------------------|
          |                                                            |
          |------------------------------------------------------------|
          | Note: See MHI Help File for full command documentation.    |
          +------------------------------------------------------------+
       
                                                                        
       
                            PROPRIETARY AT COMMAND SET
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode                 |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |     &M0      | Asynchronous mode                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    COMMUNICATIONS MODE                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode options         |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |     &Q0      | Asynchronous mode, serial port speed        |
          |              | follows connect speed.                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high                             |
          |--------------+---------------------------------------------|
          |     &S1      | DSR high only while modem is handshaking or |
          |              | connected                                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA TERMINAL READY (DTR)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem response to DTR               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &D0      | DTR override                                |
          |--------------+---------------------------------------------|
          |     &D1      | DTR toggle causes online command mode       |
          |--------------+---------------------------------------------|
          |     &D2      | DTR toggle causes modem to go on-hook       |
          |--------------+---------------------------------------------|
          |     &D3      | Loads profile as specified in &Y            |
          +------------------------------------------------------------+
       
           
       
          +------------------------------------------------------------+
          |                            DIAL                            |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] D<#> [cmds]                       |
          |--------------+---------------------------------------------|
          | Description: | Dials telephone number according to any     |
          |              | modifiers included in the string            |
          |--------------+---------------------------------------------|
          | Note:        | Any combination of modifiers can be used to |
          |              | produce the desired dial functions in       |
          |              | sequence.                                   |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |      DR      | Answer mode enabled; originate mode         |
          |              | disabled following handshake initiation.    |
          |--------------+---------------------------------------------|
          |     DS=n     | Dial stored telephone number n              |
          |--------------+---------------------------------------------|
          |      DT      | Tone dialing enabled/Pulse dialing disabled |
          |--------------+---------------------------------------------|
          |      DW      | Dialing resumed following dial tone         |
          |              | detection                                   |
          |--------------+---------------------------------------------|
          |      D,      | Dialing paused for amount of time specified |
          |              | in S8 register                              |
          |--------------+---------------------------------------------|
          |      D!      | Flash function initiated. Modem commanded   |
          |              | to go off-hook for specified time before    |
          |              | returning on-hook.                          |
          |--------------+---------------------------------------------|
          |      D@      | Wait for Quite Answer function enabled.     |
          |              | Modem waits until a "quiet answer," a       |
          |              | ring-back signal followed by silence up to  |
          |              | the time specified in S7, is received prior |
          |              | to executing the rest of the dial string.   |
          |--------------+---------------------------------------------|
          |      D;      | Modem returned to idle state after dialing. |
          |              | The semicolon can only be placed at the end |
          |              | of the dial command                         |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        FLOW CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Kn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables flow control options                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     &K1      | RTS/CTS flow control enabled                |
          |--------------+---------------------------------------------|
          |     &K3      | RTS/CTS flow control enabled                |
          |--------------+---------------------------------------------|
          |     &K4      | XON/XOFF flow control enabled               |
          |--------------+---------------------------------------------|
          |     &K5      | Transparent XON/XOFF flow control enabled   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      FORCE SPEED MODE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects force speed option in V.32/V.32bis  |
          |              | mode                                        |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |     &N0      | Support maximum allowable rate              |
          |--------------+---------------------------------------------|
          |     &N1      | Selects maximum allowable rate as specified |
          |              | by register S28                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         GUARD TONE                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Gn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Commands the modem to transmit a guard tone |
          |              | in V.22/V.22bis                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &G0      | Guard tone disabled                         |
          |--------------+---------------------------------------------|
          |     &G2      | 1800Hz guard tone enabled                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        HOOK CONTROL                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Hn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects whether the modem is on-hook or     |
          |              | off-hook                                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      H0      | Modem commanded to go on-hook (hang-up)     |
          +------------------------------------------------------------+
       
           
       
          +------------------------------------------------------------+
          |                         LINE TYPE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Command nonfunctional                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Line Type                  |
          |--------------+---------------------------------------------|
          |     &L0      | Selects switched-network line mode          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                          ON-LINE                           |
          |------------------------------------------------------------|
          | Type:         | Immediate                                  |
          |---------------+--------------------------------------------|
          | Format:       | AT [cmds] On [cmds]                        |
          |---------------+--------------------------------------------|
          | Description:  | Controls on-line command (data             |
          |               | transmission) state options.               |
          |------------------------------------------------------------|
          |      Note: The O command must be placed at the end of the  |
          |      command string.                                       |
          |------------------------------------------------------------|
          |    Command    |                  Function                  |
          |---------------+--------------------------------------------|
          |      O0       | On-line command mode with no retraining    |
          |               | enabled                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    PULSE DIALING RATIO                     |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Pn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects pulse dial make/break ratio.        |
          |--------------+---------------------------------------------|
          | Note:        | For compatibility purposes only; command    |
          |              | nonfunctional                               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &P0      | Returns OK                                  |
          |--------------+---------------------------------------------|
          |     &P1      | Returns OK                                  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports modem version                       |
          |--------------+---------------------------------------------|
          |      I1      | Reports OK                                  |
          |--------------+---------------------------------------------|
          |      I2      | Tests and reports ROM checksum              |
          |--------------+---------------------------------------------|
          |      I3      | Reports version number of installed modem   |
          |              | files                                       |
          |--------------+---------------------------------------------|
          |      I4      | Reports modem capabilities string GENERIC   |
          |              | Mwave                                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                RESTORE PROFILE ON POWER-UP                 |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Yn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Restores a selected profile into the active |
          |              | profile on power-up (hard reset)            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &Y0      | Restore profile 0 on power-up               |
          |--------------+---------------------------------------------|
          |     &Y1      | Restore profile 1 on power-up               |
          |--------------+---------------------------------------------|
          |     &Y2      | Restore factory defaults on power-up        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         SOFT RESET                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Zn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Restores modem profiles previously saved in |
          |              | non-volatile RAM using the &W command.      |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      Z0      | Restore setting 0                           |
          |--------------+---------------------------------------------|
          |      Z1      | Restore setting 1                           |
          |--------------+---------------------------------------------|
          |      Z2      | Restore factory defaults                    |
          +------------------------------------------------------------+
       
           
       
          +------------------------------------------------------------+
          |                       SPEAKER VOLUME                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Ln [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      L0      | Minimum volume setting                      |
          |--------------+---------------------------------------------|
          |      L1      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |      L2      | Medium volume setting                       |
          |--------------+---------------------------------------------|
          |      L3      | Highest volume setting                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      TRANSMIT CARRIER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Cn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls the transmit carrier switching     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      C1      | Transmit carrier enabled                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRELLIS CODING                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Un [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Enables/disables trellis coding             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &U0      | V.32 trellis coding enabled                 |
          |--------------+---------------------------------------------|
          |     &U1      | V.32 trellis coding disabled                |
          +------------------------------------------------------------+
       
                               EXTENDED AT COMMANDS
       
          +------------------------------------------------------------+
          |                         BREAK TYPE                         |
          |------------------------------------------------------------|
          | Type:                   | Configuration                    |
          |-------------------------+----------------------------------|
          | Format:                 | AT [cmds] \Kn [cmds]             |
          |-------------------------+----------------------------------|
          | Description:            | Configures action of break       |
          |                         | signal                           |
          |------------------------------------------------------------|
          |  Command   |    Break from DTE    |  Break received from   |
          |            |                      |      remote modem      |
          |------------+----------------------+------------------------|
          |    \K0     | Online command mode  | Buffers cleared, break |
          |            | enabled, send no     | sent to DTE            |
          |            | break to remote      |                        |
          |            | modem                |                        |
          |------------+----------------------+------------------------|
          |    \K1     | Break sent to remote | Buffers cleared, break |
          |            | modem and buffered   | sent to DTE            |
          |            | cleared              |                        |
          |------------+----------------------+------------------------|
          |    \K2     | Online command mode  | Break sent immediately |
          |            | enabled, send no     | to DTE                 |
          |            | break to remote      |                        |
          |            | modem                |                        |
          |------------+----------------------+------------------------|
          |   í \K3    | Send break to remote | Break sent immediately |
          |            | modem immediately    | to DTE                 |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |     %C1      | MNP5 enabled                                |
          +------------------------------------------------------------+
       
                                         
       
          +------------------------------------------------------------+
          |                      INACTIVITY TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Tn [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 0-90                                        |
          |--------------+---------------------------------------------|
          | Unit:        | 1minute                                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the length of time that the modem does |
          |              | not receive information before it           |
          |              | disconnects. \T0 disables timer             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |            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             |
          |--------------+---------------------------------------------|
          |     \A1      | MNP block size is 128 characters            |
          |--------------+---------------------------------------------|
          |     \A2      | MNP block size is 192 characters            |
          |--------------+---------------------------------------------|
          |     \A3      | MNP block size is 256 characters            |
          |--------------+---------------------------------------------|
          |     \A4      | Variable block size                         |
          +------------------------------------------------------------+
       
                                 SPECIAL COMMANDS
       
          +------------------------------------------------------------+
          |                         DSVD MODE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] -SSE=n [cmds]                     |
          |--------------+---------------------------------------------|
          | Description: | Select whether the modem will use DSVD      |
          |              | mode.                                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |   í -SSE=0   | DSVD mode disabled.                         |
          |--------------+---------------------------------------------|
          |    -SSE=1    | DSVD mode enabled.                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        UNIDENTIFIED                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %TT6r, s, c, p [cmds]             |
          |--------------+---------------------------------------------|
          | Description: | Unidentified                                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     r=0      | 2400 (if s=0)                               |
          |--------------+---------------------------------------------|
          |     r=1      | 4800bps                                     |
          |--------------+---------------------------------------------|
          |     r=2      | 7200bps                                     |
          |--------------+---------------------------------------------|
          |     r=3      | 9600bps                                     |
          |--------------+---------------------------------------------|
          |     r=4      | 1200bps                                     |
          |--------------+---------------------------------------------|
          |     r=5      | 14.4Kbps                                    |
          |--------------+---------------------------------------------|
          |     r=6      | 16.8Kbps                                    |
          |--------------+---------------------------------------------|
          |     r=7      | 19.2Kbps                                    |
          |--------------+---------------------------------------------|
          |     r=8      | 21.6Kbps                                    |
          |--------------+---------------------------------------------|
          |     r=9      | 24.0Kbps (if s¹ 0)                          |
          |--------------+---------------------------------------------|
          |     r=A      | 26.4Kbps (if s¹ 0)                          |
          |--------------+---------------------------------------------|
          |     r=B      | 28.8Kbps (if s¹ 0)                          |
          |--------------+---------------------------------------------|
          |     s=7      | 2400 symbols per second                     |
          |--------------+---------------------------------------------|
          |     s=8      | 3000 symbols per second                     |
          |--------------+---------------------------------------------|
          |     s=9      | 3200 symbols per second                     |
          |--------------+---------------------------------------------|
          |     c=0      | V.34 low carrier                            |
          |--------------+---------------------------------------------|
          |     c>0      | V.34 high carrier                           |
          +------------------------------------------------------------+
       
           
       
          +------------------------------------------------------------+
          |              V.42bis - MAXIMUM STRING LENGTH               |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] "On [cmds]                        |
          |--------------+---------------------------------------------|
          | Range:       | 6-250                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Characters                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects string size for V.42bis compression |
          +------------------------------------------------------------+
       
                               S(status) -REGISTERS
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S49                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S49=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects call indicator, V.8, and V.34       |
          |              | protocol. Bits are additive                 |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Call indicator enabled                      |
          |      |       |                                             |
          |      |     1 | Call indicator disabled                     |
          |------+-------+---------------------------------------------|
          |  2   |     0 | V.8 protocol enabled                        |
          |      |       |                                             |
          |      |     1 | V.8 protocol disabled                       |
          |------+-------+---------------------------------------------|
          |  3   |     0 | V.34 protocol enabled                       |
          |      |       |                                             |
          |      |     1 | V.34 protocol disabled                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S50                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S50=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Selects baud rates that the V.34 modem will |
          |              | request for reception                       |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | 2400 baud receive symbol rate enabled       |
          |      |       |                                             |
          |      |     1 | 2400 baud receive symbol rate disabled      |
          |------+-------+---------------------------------------------|
          |  1   |     0 | 2743 baud receive symbol rate enabled       |
          |      |       |                                             |
          |      |     1 | 2743 baud receive symbol rate disabled      |
          |------+-------+---------------------------------------------|
          |  2   |     0 | 2800 baud receive symbol rate enabled       |
          |      |       |                                             |
          |      |     1 | 2800 baud receive symbol rate disabled      |
          |------+-------+---------------------------------------------|
          |  3   |     0 | 3000 baud receive symbol rate enabled       |
          |      |       |                                             |
          |      |     1 | 3000 baud receive symbol rate disabled      |
          |------+-------+---------------------------------------------|
          |  4   |     0 | 3200 baud receive symbol rate enabled       |
          |      |       |                                             |
          |      |     1 | 3200 baud receive symbol rate disabled      |
          |------+-------+---------------------------------------------|
          |  5   |     0 | 3429 baud receive symbol rate enabled       |
          |      |       |                                             |
          |      |     1 | 3429 baud receive symbol rate disabled      |
          |------+-------+---------------------------------------------|
          |  6   |     0 | Asymmetric symbol rates enabled             |
          |      |       |                                             |
          |      |     1 | Asymmetric symbol rates disabled            |
          |------+-------+---------------------------------------------|
          |  7   |     0 | Not used                                    |
          +------------------------------------------------------------+
       
                                         
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S52                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S52=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls the various features of the V.34   |
          |              | data pump                                   |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Asymmetric data rates enabled               |
          |      |       |                                             |
          |      |     1 | Asymmetric data rates disabled              |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Auxiliary channel enabled                   |
          |      |       |                                             |
          |      |     1 | Auxiliary channel disabled                  |
          |------+-------+---------------------------------------------|
          | 2-7  |     0 | Not used                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  BIT-MAPPED REGISTER S53                   |
          |------------------------------------------------------------|
          | Format       | AT [cmds] S53=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Range:       | 0-255                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Bit-mapped                                  |
          |--------------+---------------------------------------------|
          | Description: | Controls request options for: pre-emphasis, |
          |              | constellation warping, constellation        |
          |              | shaping, and precoding                      |
          |--------------+---------------------------------------------|
          | Bit  | Value |                  Function                   |
          |------+-------+---------------------------------------------|
          |  0   |     0 | Not used                                    |
          |------+-------+---------------------------------------------|
          |  1   |     0 | Pre-emphasis requests disabled              |
          |      |       |                                             |
          |      |     1 | Pre-emphasis requests enabled               |
          |------+-------+---------------------------------------------|
          |  2   |     0 | Constellation warping requests disabled     |
          |      |       |                                             |
          |      |     1 | Constellation warping requests enabled      |
          |------+-------+---------------------------------------------|
          |  3   |     0 | Constellation shaping requests disabled     |
          |      |       |                                             |
          |      |     1 | Constellation shaping requests enabled      |
          |------+-------+---------------------------------------------|
          |  4   |     0 | Precoding requests disabled                 |
          |      |       |                                             |
          |      |     1 | Precoding requests enabled                  |
          |------+-------+---------------------------------------------|
          | 5-7  |     0 | Not used                                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CALLING TONE                        |
          |------------------------------------------------------------|
          | Type:         | Register                                   |
          |---------------+--------------------------------------------|
          | Format        | AT [cmds] S24=n [cmds]                     |
          |---------------+--------------------------------------------|
          | Description:  | Enables/disables calling tone              |
          |------------------------------------------------------------|
          |  Command   |                   Function                    |
          |------------+-----------------------------------------------|
          |   S24=0    | Calling tone disabled.                        |
          |------------+-----------------------------------------------|
          |   S24=1    | Calling tone enabled.                         |
          +------------------------------------------------------------+
       
                                         
       
          +------------------------------------------------------------+
          |                       DCE LINE SPEED                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S28=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Description: | Sets the maximum allowable data exchange    |
          |              | rate attempted during handshake process.    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    S28=0     | Speed of last connection                    |
          |--------------+---------------------------------------------|
          |    S28=1     | 50bps                                       |
          |--------------+---------------------------------------------|
          |    S28=2     | 75bps                                       |
          |--------------+---------------------------------------------|
          |    S28=3     | 110bps                                      |
          |--------------+---------------------------------------------|
          |    S28=4     | 134.5bps                                    |
          |--------------+---------------------------------------------|
          |    S28=5     | 150bps                                      |
          |--------------+---------------------------------------------|
          |    S28=6     | 300bps                                      |
          |--------------+---------------------------------------------|
          |    S28=8     | 1200bps                                     |
          |--------------+---------------------------------------------|
          |    S28=9     | 2400bps                                     |
          |--------------+---------------------------------------------|
          |    S28=10    | 4800bps                                     |
          |--------------+---------------------------------------------|
          |    S28=11    | 7200bps                                     |
          |--------------+---------------------------------------------|
          |    S28=12    | 9600bps                                     |
          |--------------+---------------------------------------------|
          |    S28=13    | 12.0Kbps                                    |
          |--------------+---------------------------------------------|
          |    S28=14    | 14.4Kbps                                    |
          +------------------------------------------------------------+