
DIGICOM SPA

TIZIANO 33.6 (EXTERNAL), TIZIANO 33.6 MAC (EXTERNAL)

Card Type                     Modem
Chip Set                      Unidentified
I/O Options                   Line, headphone, microphone, speaker, 25-pin
                              serial port, power
Maximum Modem Rate            33.6Kbps
Maximum Fax Rate              14.4Kbps
Data Modulation Protocol      ITU-T V.21, V.22, V.22bis,V.23, V.32,
                              V.32bis, V.34+, V.FC
Fax Modulation Protocol       V.17, V.29, V.27ter
Error Correction/Compression  MNP5, V.42, V.42bis
Fax Class                     Class I
Data Bus                      External

[Image]

                                CONNECTIONS

         Function           Label             Function             Label

  Line                           CN1       25-pin serial port       CN5

  Speaker                        CN2       Power                    CN6

  Microphone                     CN3       Power switch             SW1

  Headphone                      CN4

                             DIAGNOSTIC LED(S)

   LED        Color         Status                  Condition

   PWR     Unidentified       On                   Power is on

   PWR     Unidentified       Off                 Power is off

   DTR     Unidentified       On                Computer is ready

   DTR     Unidentified       Off             Computer is not ready

   TD      Unidentified       On           Modem is transmitting data

   TD      Unidentified       Off        Modem is not transmitting data

   RD      Unidentified       On             Modem is receiving data

   RD      Unidentified       Off          Modem is not receiving data

   DCD     Unidentified       On         Network connection established

   DCD     Unidentified       Off             Network connection not
                                                   established

   OH      Unidentified       On                Modem is off hook

   OH      Unidentified       Off               Modem is on hook

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, A/

  A, B, E, H, M, O, P, Q, V, W, X, Y, Z

  &C, &P, &T, &V, &W, &Y, &Z

                           Extended AT commands

  \A, \B, \K, \N

  %C, %E, %L, %Q

                                S Registers

  S0, S1, S2, S3, S4, S5, S6 ,S7, S8, S9, S10, S12, S18, S29, S30, S32,
  S33

                             Special commands

  +MS, -K

                             Voice AT commands

  #VBT, #VRX, #VSP, #VSR, #VSS, #VTS, #VTX



  Note: See MHI Help File for full command documentation.

                         PROPRIETARY AT COMMAND SET

                            AUTO-MODE DETECTION

  Type:                  Configuration

  Format:                AT [cmds] Nn [cmds]

  Description:           Selects various options for the automatic
                         detection and negotiation of protocols during
                         the handshake process if the modem is
                         communicating with a remote modem of dissimilar
                         speed.

        Command                              Function

          N0             Auto-mode detection disabled

          N1             Auto-mode detection enabled

                            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.

      &Q5         Error correction mode

      &Q6         Buffered asynchronous mode

                           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        Normal DTR operations

      &D3        Resets on receipt of DTR

                                   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

          DS=n           Dial stored telephone number n

           DT            Tone dialing enabled

           DW            Dialing resumed following dial tone detection

           D,            Dialing paused

           D@            Wait for Quite Answer function enabled. Modem
                         waits until a "quiet answer," a ring-back signal
                         followed by 5 seconds of silence

           D!            Flash function initiated. Modem commanded to go
                         off-hook for specified time before returning
                         on-hook.

           D;            Modem returned to idle state after dialing. The
                         semicolon can only be placed at the end of the
                         dial command.

           D^            Toggle calling tone

                          FACTORY DEFAULT PROFILE

  Type:             Configuration

  Format:           AT [cmds] &F [cmds]

  Description:      Sets values in active profile to values found in the
                    default profile

     Command                              Function

       &F0          Factory default profile 0

       &F1          Factory default profile 1

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Enables flow control options

    Command                              Function

      &K0        Flow control disabled

      &K3        RTS/CTS flow control enabled

      &K4        XON/XOFF flow control enabled

      &K5        Transparent XON/XOFF flow control enabled

      &K6        RTS/CTS & XON/XOFF flow control enabled

                              LINE MODULATION

  Type:          Configuration

  Format:        AT [cmds] Fn [cmds]

  Description:   For compatibility only. Non-functional

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports maximum line speed

       I1        Reports product type

       I2        Reports checksum firmware

       I3        Reports product name

       I4        Reports firmware release

       I5        Reports active Country Code

                                  RTS/CTS

  Type:                Configuration

  Format:              AT [cmds] &Rn [cmds]

  Description:         Selects RTS/CTS options

       Command                              Function

         &R0           In asynchronous mode, CTS is controlled according
                       to V.25 handshake recommendation

         &R1           In synchronous mode, CTS follows flow control

                              SPECIAL COMMANDS

                        MNP10 - POWER LEVEL ADJUST

  Type:                Configuration

  Format:              AT [cmds] -SEC=n [cmds]

  Range:               0-30

  Unit:                -1dBm

  Description:         Controls automatic transmit power level adjustment
                       during MNP 10 link negotiation

       Command                              Function

       -SEC=0          MNP10 disabled. Transmission level is set in the
                       S91 register

  -SEC=1, [tx_lev]     MNP10 enabled. Set transmit level

                             AT VOICE COMMANDS

                          COMMUNICATION SELECTION

  Type:           Configuration

  Format:        AT [cmds] #CLS=n [cmds]

  Description:   Chooses between: data, fax, and voice-audio mode

    Command                              Function

     #CLS=0       Data mode

     #CLS=1       Fax mode

     #CLS=8       Voice-audio mode

                         DATA BAUD RATE SELECTION

  Type:          Configuration

  Format:        AT [cmds] #BDR=n [cmds]

  Range:         1-48

  Unit:          n x 2400bps

  Description:   Sets the speed of the serial interface. 0 enables
                 autobaud

                           SPEAKERPHONE OPTIONS

  Type:          Configuration

  Format:        AT [cmds] #SPK=x,y,z [cmds]

  Description:   Sets various options for speakerphone functions.

    Command                              Function

      x=0         Microphone mute

      x=1         Microphone on

      x=3         Room monitor

      y=0        No speaker attenuation (maximum volume)

      y=15       Speaker attenuation (minimum volume)

      y=16       Speaker muted

      z=0         Microphone gain set to 0dBm.

      z=1         Microphone gain set to 10dBm.

      z=2         Microphone gain set to 15dBm.

      z=3         Microphone gain set to 20dBm.

                               VOICE DEVICE

  Type:               Configuration

  Format:             AT [cmds] #VLS=n [cmds]

  Description:        Selects the I/O device for the DSP chip.

      Command                              Function

       #VLS=0         No voice device

       #VLS=2         Internal speaker only used for voice I/O.

       #VLS=3         External microphone only used for voice I/O.

       #VLS=6         Speakerphone used for voice I/O.

       #VLS=7         Handset muted by disconnecting handset or
                      speakerphone from telephone line.

                                       VOICE SAMPLE QUALITY

  Type:               Configuration

  Format:             AT [cmds] #VBS=n [cmds]

  Description:        Selects the number of bits per sample that the modem records.

      Command                                          Function

       #VBS=2         Modem records 2 bits per sample

       #VBS=4         Modem records 4 bits per sample

       #VBS=8         Modem records 8 bits per sample

                      SIMULTANEOUS VOICE/DATA COMMANDS

                              SVD DATA BURST

  Type:          Configuration

  Format:        AT [cmds] -SMC=n [cmds]

  Description:   Enables/disables SVD databurst

    Command                              Function

     SMC=0        Databurst disabled

     SMC=1        Databurst enabled

                                 SVD MODE

  Type:          Configuration

  Format:        AT [cmds] -SMS=x,y,z [cmds]

  Description:   Sets various options for speakerphone functions.

  Note:          y,z default is dependant on modulation selection (-SQS)

    Command                              Function

      x=0         Data mode enabled

      x=1         Simultaneous voice/data mode selected

      x=3         Automatic selection

     y=4800      Minimum allowable SVD data speed set to 4800bps

     y=7200      Minimum allowable SVD data speed set to 7200bps

     y=9600      Minimum allowable SVD data speed set to 9600bps

    y=12000      Minimum allowable SVD data speed set to 12.0Kbps

    y=14400      Minimum allowable SVD data speed set to 14.4Kbps

     z=4800      Maximum allowable SVD data speed set to 4800bps

     z=7200      Maximum allowable SVD data speed set to 7200bps

     z=9600      Maximum allowable SVD data speed set to 9600bps

    z=12000      Maximum allowable SVD data speed set to 12.0Kbps

    z=14400      Maximum allowable SVD data speed set to 14.4Kbps

                              SVD MODULATION

  Type:          Configuration

  Format:        AT [cmds] -SQS=x,y [cmds]

  Description:   Sets simultaneous voice/data modulation

    Command                              Function

      x=0         V.61 modulation mode

      x=1         ML144 modulation mode

      x=2         ML288 modulation mode

      y=1        SVD automatic modulation selection enabled

      y=2        SVD automatic modulation selection disabled

                            S(status) REGISTERS

                         TRANSMISSION LEVEL - FAX

  Type:          Register

  Format:        AT [cmds] S92=n [cmds]

  Range:         3-15

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission while in fax mode

                     TRANSMISSION LEVEL - LEASED-LINE

  Type           Register or Configuration

  Format         AT [cmds] S91=n [cmds]

  Range          3-15

  Unit           -1 dBm

  Description    Sets the signal level for transmission over leased-lines

