
UNIQUE HARDWARE CO., LTD.

VAX I34F

Card Type                    Modem (synchronous/asynchronous)
Chipset                      Rockwell
I/O Options                  Microphone in, speaker out, voice,
                             speakerphone, DSVD
Maximum Data Rate            28.8Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation              Bell 103A, 212A

                             ITU-T V.21, V.22, V.22bis, V.32, V.32bis,
                             V.34

                             Rockwell V.FC
Fax Modulation               ITU-T V.17, V.21CH2, V.27ter, V.29
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I & II
Data Bus                     8-bit ISA
Card Size                    Unidentified

                                                                      53555

                       SERIAL PORT ADDRESS SELECTION

    Setting         SW1/1          SW1/2          SW1/3         SW1/4

  3F8h (COM1:)       Off            On             On            Off

  2F8h (COM2:)       Off            On             Off            On

  3E8h (COM3:)        On            Off            On            Off

  2E8h (COM4:)        On            Off            Off            On

                 INTERRUPT SELECTION

  Setting    SW1/5      SW1/6      SW1/7      SW1/8

     3         On        Off        Off        Off

     4        Off         On        Off        Off

     5        Off        Off        On         Off

     7        Off        Off        Off        On

   MISCELLANEOUS TECHNICAL NOTES

            Diagram not available.

                        SUPPORTED STANDARD COMMANDS

                             Basic AT Commands

  +++, comma, A/

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

  &C, &D, &F, &G, &K, &L, &M, &P, &Q, &R, &S, &T, &V, &W, &X, &Y, &Z

                           Extended AT Commands

  \A, \B, \G, \K, \L, \N

  %C, %E, %L, %Q

                            Special AT Commands

  #CID, +MS

                                S-Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S14, S16, S18,
  S21, S22, S23, S25, S26

  S27, S28, S29, S30, S31, S32, S33, S36, S38, S40, S41, S46, S48, S82,
  S86, S95

            Note: See MHI help file for complete information.

                         Proprietary AT Command Set

                       DISPLAY CHIPSET MANUFACTURER

  Type:          Immediate

  Format:        AT [cmds] #MFR? [cmds]

  Description:   Displays the voice chipset manufacturers name.

                        DISPLAY CHIPSET MODEL NAME

  Type:          Immediate

  Format:        AT [cmds] #MDL? [cmds]

  Description:   Displays the model name of the modem's voice chipset.

                         DISPLAY CHIPSET REVISION

  Type:          Immediate

  Format:        AT [cmds] #REV? [cmds]

  Description:   Displays the revision level of the modem's voice
                 chipset.

                                 DSVD MODE

  Type:          Configuration

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

  Description:   Select whether the modem will use DSVD mode.

    Command                              Function

     -SSE=0      DSVD mode disabled.

     -SSE=1      DSVD mode enabled.

                              MODE SELECTION

  Type:          Immediate

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

  Description:   Selects which mode the modem will operate in.

    Command                              Function

     #CLS=0      Modem will operate in data mode.

     #CLS=1      Modem will operate in fax class 1 mode.

     #CLS=2      Modem will operate in fax class 2 mode.

     #CLS=8      Modem will operate in voice mode.

                              TONE DETECTION

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

  Default:                   x,y,z 63

  Range:                     0 - 63

  Description:               Sets which tones the tone detection will
                             report.

  Note:                      The value of x sets the tone detection modes
                             in voice transmit mode, y sets them in voice
                             receive mode, and z sets them in voice
                             command mode.

        Bit           Value                     Function

         0                  0   DTMF tones are not detected.

                           1    DTMF tones are detected.

         1                  0   V.25 1300Hz calling tone is not detected.

                           1    V.25 1300Hz calling tone is detected.

         2                  0   T.30 1100Hz fax tone is not detected.

                           1    T.30 1100Hz fax tone is detected.

         3                  0   V.25/T.30 2100Hz answer tone is not
                                detected.
                           1
                                V.25/T.30 2100Hz answer tone is detected.

         4                  0   Bell 2225Hz answer tone is not detected.

                           1    Bell 2225Hz answer tone is detected.

         5                  0   Call progress tones are not detected.

                           1    Call progress tones are detected.

                       TONE GENERATOR - DIRECT ENTRY

  Type:             Immediate

  Format:           AT [cmds] #VTS=[m, n, x]

  Range:            m 200-3000, n 200-3000, x 0-255

  Unit:             m 1 Hz, n 1 Hz, x .1 second

  Description:      Generates a dual-frequency tone for duration x at
                    frequencies m and n.

                     TONE GENERATOR - TIMED PHONE KEYS

  Type:           Immediate

  Format:         AT [cmds] #VTS={a, n}

  Range:          a 0-9, A-D, #, *; x 0-255

  Unit:           x .1 second

  Description:    Generates the DTMF tone for duration x for the
                  character a.

                        TONE GENERATOR - PHONE KEYS

  Type:                  Immediate

  Format:                AT [cmds] #VTS=a

  Range:                 0-9, A-D, #, *

  Description:           Generates the DTMF tones for the characters in
                         the string for the duration set with +VBT.

                           TONE GENERATOR LENGTH

  Format         AT [cmds] #VBT=n [cmds]

  Default:       10

  Range:         0 - 40

  Unit:          0.1 second

  Description:   Sets the length of DTMF tones that are generated.

                            VOICE BUFFER SPACE

  Type:                  Configuration

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

  Default:               255

  Range:                 0 - 255

  Unit:                  1 byte

  Description:           Sets the amount of data the modem can send into
                         the buffer after the XOFF signal is sent.

                               VOICE DEVICE

  Type:               Configuration

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

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

      Command                              Function

       #VLS=0         Telephone line and handset used for voice I/O.

       #VLS=1         Telephone handset used for voice I/O.

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

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

       #VLS=4         Telephone line and handset used for voice I/O;
                      internal speaker enabled.

       #VLS=5         Headset 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.

       #VLS=8         Connects caller ID relay for recording of
                      conversation over handset.

       #VLS=9         Connects handset (or speakerphone) to DSP chip for
                      recording or playback.

                        VOICE - DISPLAY BUFFER SIZE

  Type:          Immediate

  Format:        AT [cmds] #VBQ? [cmds]

  Description:   Displays the size of the voice buffer.

                     VOICE - DISPLAY COMPRESSION TYPE

  Type:          Immediate

  Format:        AT [cmds] #VCI? [cmds]

  Description:   Displays the type of compression currently in use.

                      VOICE - LOCAL SERIAL PORT SPEED

  Type:                  Configuration

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

  Default:               0

  Range:                 0 - 48

  Unit:                  2400bps

  Description:           Sets the speed of the local serial port when in
                         voice mode. A value of 0 indicates that the
                         modem should auto-detect the correct serial port
                         speed.

                         VOICE RE-RING DETECT TIME

  Type:                  Configuration

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

  Default:               70

  Range:                 0-255

  Unit:                  10 mS

  Description:           Sets the maximum time the modem will wait for
                         the remote station to ring again before it
                         assumes that it has gone off-hook.

                               VOICE RECEIVE

  Type:          Immediate

  Format:        AT [cmds] #VRX

  Description:   Commands the modem to begin receiving voice data.

                          VOICE RING DETECT TIME

  Type:                  Configuration

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

  Default:               Unidentified

  Range:                 Unidentified

  Unit:                  Unidentified

  Description:           Sets the maximum time the modem will wait for
                         the remote station to ring before it assumes
                         that it went off-hook before it rang.

                           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 in ADPCM encoding.

     #VBS=4       Modem records 4 bits per sample in ADPCM encoding.

     #VBS=8       Modem records 8 bits per sample in PCM encoding.

                            VOICE SAMPLING RATE

  Type:          Configuration

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

  Description:   Sets the sampling rate used when recording voice
                 signals.

    Command                              Function

   #VSR=7200     Selects a sampling rate of 7.2KHz.

   #VSR=11025    Selects a sampling rate of 11.025KHz in PCM encoding
                 only.

                       VOICE SILENCE DETECTION TIME

  Type:           Configuration

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

  Default:        Unidentified

  Range:          0 - 255

  Unit:           .1 second

  Description:    Sets the minimum amount of silence that the modem will
                  detect.

                     VOICE SILENCE DETECTION THRESHOLD

  Type:                 Configuration

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

  Description:          Sets the threshold of sensitivity that the modem
                        uses to determine silence detection.

       Command                              Function

        #VSS=0          Silence detection disabled.

        #VSS=1          Minimum silence detection sensitivity.

        #VSS=2          Standard silence detection sensitivity.

        #VSS=3          Maximum silence detection sensitivity.

                             VOICE TIMING MARK

  Type:          Configuration

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

  Description:   Configures timing mark placement.

    Command                              Function

     #VTM=0       Timing marks disabled.

    #VTM=10       Timing marks enabled at 1 second intervals.

                         VOICE TRANSMISSION LEVEL

  Type:           Configuration

  Format:         AT [cmds] #TL=hhhh [cmds]

  Default:        3F44 for phone line, 7FFF for handset or speaker

  Range:          0000 - 7FFF

  Unit:           Unidentified (hexadecimal)

  Description:    Sets the transmission level for sending audio in voice
                  mode.

                              VOICE TRANSMIT

  Type:          Immediate

  Format:        AT [cmds] #VTX

  Description:   Commands the modem to begin transmitting voice data.

    See UNIQUE HARDWARE CO., LTD. DART I34F for a full command summary.

