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       # MAXTECH CORPORATION
       
          XPV 56I41 (K56PLUS-L/CPI-SVD)
       
          Card Type              Modem, Fax                              
          Chip Set               Lucent                                  
          I/O Options            Line in, line out, microphone in,       
                                 speaker out                             
          Maximum Modem Rate     56Kbps                                  
          Maximum Fax Rate       14.4Kbps                                
          Data Modulation        Bell 103/212A                           
          Protocol                                                       
                                 ITU-T V.21, V.22, V.22bis, V.23, V.32,  
                                 V.32bis, V.34, K56Plus                  
          Fax Modulation         ITU-T V.17, V.29, V.27ter               
          Protocol               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I & II                            
          Data Bus               16-bit ISA                              
       
          +------------------------------------------------------------+
          |                   SUPPORTED COMMAND SET                    |
          |------------------------------------------------------------|
          |                     Basic AT Commands                      |
          |------------------------------------------------------------|
          | AT, ‘+++’, A/                                              |
          |------------------------------------------------------------|
          | A, E, H, M, O, P, Q, T, V, W, Y, Z                         |
          |------------------------------------------------------------|
          | &C, &F, &G, &V, &W, &Z                                     |
          |------------------------------------------------------------|
          |                    Extended AT Commands                    |
          |------------------------------------------------------------|
          | \A, \B, \J, \K, \T, \X                                     |
          |------------------------------------------------------------|
          | -C                                                         |
          |------------------------------------------------------------|
          |                        S Registers                         |
          |------------------------------------------------------------|
          | S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12,     |
          | S14, S21, S22, S24, S30, S36, S37, S48                     |
          |------------------------------------------------------------|
          |                                                            |
          |------------------------------------------------------------|
          | Note: See MHI Help File for full command documentation.    |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
          +------------------------------------------------------------+
          |                       AUTOSCAN MODE                        |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Nn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Enables/Disables Autoscan mode              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      N0      | Autoscan mode disabled                      |
          |--------------+---------------------------------------------|
          |     í N1     | Autoscan mode enabled                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             COMMUNICATIONS MODE (ASYNCHRONOUS)             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Mn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects communications mode                 |
          |--------------+---------------------------------------------|
          |   Command    |                    Mode                     |
          |--------------+---------------------------------------------|
          |    í &M0     | Asynchronous mode                           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |        COMMUNICATIONS MODE (DATA LINK AND FALLBACK)        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Q [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Configures data link options                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &Q0      | Set Direct data link only                   |
          |--------------+---------------------------------------------|
          |     &Q5      | Set V.42 data link with fallback options    |
          |--------------+---------------------------------------------|
          |     &Q6      | Set Normal data link only                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  COMMUNICATION PROTOCOLS                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Bn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Selects the communication protocol for data |
          |              | calls                                       |
          |------------------------------------------------------------|
          |      Note: The B command allows the simultaneous selection |
          |      of more than one suffix, enabling multiple protocols. |
          |------------------------------------------------------------|
          |   Command    |                  Protocol                   |
          |--------------+---------------------------------------------|
          |      B0      | Sets CCITT mode                             |
          |--------------+---------------------------------------------|
          |     í B1     | Sets Bell mode                              |
          |--------------+---------------------------------------------|
          |      B2      | CCITT V.23 originate: transmit 75/receive   |
          |              | 1200bps                                     |
          |--------------+---------------------------------------------|
          |      B3      | CCITT V.23 originate: transmit 1200/receive |
          |              | 75bps                                       |
          |--------------+---------------------------------------------|
          |     B15      | Sets V.21 at 300 bps                        |
          |--------------+---------------------------------------------|
          |     B16      | Sets Bell 103 at 300 bps                    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                    DATA SET READY (DSR)                    |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Sn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects DSR options                         |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &S0      | DSR forced high                             |
          |--------------+---------------------------------------------|
          |    í &S1     | DSR is off while in command mode and set on |
          |              | in on-line mode                             |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 DATA TERMINAL READY (DTR)                  |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Dn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects modem response to DTR               |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í &D0     | Modem does not respond to DTR               |
          |--------------+---------------------------------------------|
          |     &D1      | Modem goes to command mode after DTR goes   |
          |              | is off                                      |
          |--------------+---------------------------------------------|
          |     &D2      | Modem goes to command mode and disconnects  |
          |              | (hangs up) after DTR goes off; Auto-Answer  |
          |              | is disabled.                                |
          |--------------+---------------------------------------------|
          |     &D3      | Modem is initialized after DTR goes off     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                            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                   |
          |--------------+---------------------------------------------|
          |      DL      | Re-dial last number                         |
          |--------------+---------------------------------------------|
          |      DP      | Pulse dialing enabled                       |
          |--------------+---------------------------------------------|
          |     í 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"WXY"    | Optional method of denoting telephone       |
          |              | numbers. Letters enclosed in quotes are     |
          |              | interpreted as numbers according to the     |
          |              | system found on a telephone keypad.         |
          |--------------+---------------------------------------------|
          |      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:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &K [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Configures flow control settings            |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &K0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     &K3      | RTS/CTS hardware flow control enabled       |
          |--------------+---------------------------------------------|
          |     &K4      | XON/XOFF software flow control enabled      |
          |--------------+---------------------------------------------|
          |     &K5      | Transparent XON/XOFF software flow control  |
          |              | enabled                                     |
          |--------------+---------------------------------------------|
          |     &K6      | RTS/CTS & XON/XOFF flow control enabled     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |             HAYES SMARTMODEM 300 COMPATIBILITY             |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Xn [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Configures modem response and blind dialing |
          |              | capabilities                                |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      X0      | Sets modem to use Hayes Smartmodem 300      |
          |              | responses and blind dialing                 |
          |--------------+---------------------------------------------|
          |      X1      | Sets modem to use Hayes Smartmodem 300      |
          |              | responses, CONNECT responses, and blind     |
          |              | dialing                                     |
          |--------------+---------------------------------------------|
          |      X2      | Sets modem to use Hayes Smartmodem 300      |
          |              | responses, CONNECT responses, dial tone     |
          |              | detection, and blind dialing                |
          |--------------+---------------------------------------------|
          |      X3      | Sets modem to use Hayes Smartmodem 300      |
          |              | responses, CONNECT responses, busy          |
          |              | detection, and blind dialing                |
          |--------------+---------------------------------------------|
          |     í X4     | Set modem to use all responses, dial tone   |
          |              | detection, and busy signal detection        |
          |--------------+---------------------------------------------|
          |      X5      | Set modem to use all responses, dial tone   |
          |              | detection, and busy signal detection        |
          |--------------+---------------------------------------------|
          |      X6      | Set modem to use all responses, dial tone   |
          |              | detection, and busy signal detection        |
          |--------------+---------------------------------------------|
          |      X7      | Sets modem to use Hayes Smartmodem 300      |
          |              | responses, dial tone detection, busy signal |
          |              | detection, and blind dialing                |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         LINE TYPE                          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Ln [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects line type                           |
          |--------------+---------------------------------------------|
          |   Command    |                  Line Type                  |
          |--------------+---------------------------------------------|
          |    í &L0     | Switched line (PSTN/Dial-up)                |
          |------------------------------------------------------------|
          |                     REPORT INFORMATION                     |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] In [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Displays information requested              |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      I0      | Reports modem model and speed               |
          |--------------+---------------------------------------------|
          |      I1      | Reports ROM checksum                        |
          |--------------+---------------------------------------------|
          |      I2      | Tests and reports internal memory           |
          |--------------+---------------------------------------------|
          |      I3      | Reports default speed and modem model       |
          |--------------+---------------------------------------------|
          |      I4      | Reports firmware ID                         |
          |--------------+---------------------------------------------|
          |      I9      | Reports country ID                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                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                   |
          |--------------+---------------------------------------------|
          |    í &Y0     | Restore profile 0 on power-up               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       SPEAKER VOLUME                       |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] Ln [cmds]                         |
          |--------------+---------------------------------------------|
          | Description: | Controls speaker volume                     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |      L0      | Low volume setting                          |
          |--------------+---------------------------------------------|
          |     í L1     | Low volume setting                          |
          |--------------+---------------------------------------------|
          |      L2      | Medium volume setting                       |
          |--------------+---------------------------------------------|
          |      L3      | Highest volume setting                      |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         TEST MODES                         |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] &Tn                               |
          |--------------+---------------------------------------------|
          | Description: | Selects test options                        |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     &T0      | End current test                            |
          |--------------+---------------------------------------------|
          |     &T1      | Begin local analog loopback test            |
          |--------------+---------------------------------------------|
          |     &T3      | Begin local digital loopback test           |
          |--------------+---------------------------------------------|
          |     &T6      | Begin remote digital loopback test          |
          +------------------------------------------------------------+
       
                               Extended AT Commands
       
          +------------------------------------------------------------+
          |         AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD          |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %En [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls auto-retrain mode and              |
          |              | fallback/fall-forward                       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %E0      | Auto-retrain disabled                       |
          |--------------+---------------------------------------------|
          |     %E1      | Auto-retrain enabled                        |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        COMPRESSION                         |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Cn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Selects data compression                    |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     %C0      | Data compression disabled                   |
          |--------------+---------------------------------------------|
          |     %C1      | MNP5 and V.42bis; or data compression and   |
          |              | correction enabled                          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CONNECT MODE                        |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Nn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Controls the type of connection the modem   |
          |              | will operate in                             |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \N0      | Enables Normal mode                         |
          |--------------+---------------------------------------------|
          |     \N1      | Enables Direct mode                         |
          |--------------+---------------------------------------------|
          |     \N2      | Enables MNP mode                            |
          |--------------+---------------------------------------------|
          |    í \N3     | Enables V.42/MNP/Normal modes               |
          |--------------+---------------------------------------------|
          |     \N4      | Enables V.42 mode                           |
          |--------------+---------------------------------------------|
          |     \N5      | Enables V.42/MNP/Normal modes               |
          |--------------+---------------------------------------------|
          |     \N7      | Enables V.42/MNP/Normal modes               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      ERROR CORRECTION                      |
          |------------------------------------------------------------|
          | Type:        | Immediate                                   |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Vn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Reports error correction result codes       |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \V0      | Error correction result codes disabled      |
          |--------------+---------------------------------------------|
          |    í  \V1    | Error correction result codes enabled       |
          |--------------+---------------------------------------------|
          |     \V2      | Error correction result codes enabled       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     FLOW CONTROL TYPE                      |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] \Qn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Sets type of flow control used by modem     |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |     \Q0      | Flow control disabled                       |
          |--------------+---------------------------------------------|
          |     \Q1      | Bi-Directional XON/XOFF flow control        |
          |              | enabled                                     |
          |--------------+---------------------------------------------|
          |     \Q3      | Bi-Directional RTS/CTS flow control enabled |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   RE-DIALING SUPPRESSION                   |
          |------------------------------------------------------------|
          | Type:        | Configuration                               |
          |--------------+---------------------------------------------|
          | Format:      | AT [cmds] %Xn [cmds]                        |
          |--------------+---------------------------------------------|
          | Description: | Configures re-dialing suppression settings  |
          |--------------+---------------------------------------------|
          |   Command    |                  Function                   |
          |--------------+---------------------------------------------|
          |    í %X0     | Re-dialing suppression disabled             |
          |--------------+---------------------------------------------|
          |     %X1      | Re-dialing suppression enabled              |
          +------------------------------------------------------------+
       
                               S(status) -Registers
       
          +------------------------------------------------------------+
          |                     DATA CALLING TONE                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S35=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0, 1                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Enables the data calling tone               |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       DIAL LINE RATE                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S38=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 19                                      |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the 56K dialing rate                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     LOCAL PHONE STATUS                     |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S90=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | Unidentified                                |
          |--------------+---------------------------------------------|
          | Range:       | 0, 1                                        |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | 0=on hook, 1=off hook                       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      SLEEP MODE TIMER                      |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S89=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | 0, 5 - 255                                  |
          |--------------+---------------------------------------------|
          | Unit:        | seconds                                     |
          |--------------+---------------------------------------------|
          | Description: | Sets the sleep mode timer                   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   SYNTHETIC RING DIALING                   |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S32=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 10                                          |
          |--------------+---------------------------------------------|
          | Range:       | Unidentified                                |
          |--------------+---------------------------------------------|
          | Unit:        | dB                                          |
          |--------------+---------------------------------------------|
          | Description: | Sets the volume of the synthetic ring       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  SYNTHETIC RING FREQUENCY                  |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S33=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 0                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 5                                       |
          |--------------+---------------------------------------------|
          | Unit:        | Unidentified                                |
          |--------------+---------------------------------------------|
          | Description: | Sets the value of the synthetic frequency   |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                       TRANSMIT LEVEL                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S92=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 15                                          |
          |--------------+---------------------------------------------|
          | Range:       | 6 - 15                                      |
          |--------------+---------------------------------------------|
          | Unit:        | dB                                          |
          |--------------+---------------------------------------------|
          | Description: | Sets the transmission level volume          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      V.34 MODUALTION                       |
          |------------------------------------------------------------|
          | Type:        | Register                                    |
          |--------------+---------------------------------------------|
          | Format       | AT [cmds] S28=n [cmds]                      |
          |--------------+---------------------------------------------|
          | Default:     | 1                                           |
          |--------------+---------------------------------------------|
          | Range:       | 0 - 255                                     |
          |--------------+---------------------------------------------|
          | Description: | Enables V.34 modulation                     |