
NETCOMM LIMITED

VOICEMASTER 336 (AM3430)

Card Type                    Modem (asynchronous)
Chipset                      Unidentified
I/O Options                  Voice
Maximum Data Rate            33.6Kbps
Maximum Fax Rate             14.4Kbps
Data Modulation              Bell 103A, 212A

                             ITU-T V.21, V.22, V.22bis, V.23, V.32,
                             V.32bis, V.34

                             Rockwell V.FC
Fax Modulation               ITU-T V.17, V.27ter, V.29
Error Correction/Compression MNP5, MNP10, V.42, V.42bis
Fax Class                    Class I & II
Data Bus                     Serial

[Image]

                             DIAGNOSTIC LED(S)

      LED          Color          Status               Condition

      TD            Red          Blinking     Modem is transmitting data

      TD            Red            Off         Modem is not transmitting
                                                         data

      RD            Red          Blinking       Modem is receiving data

      RD            Red            Off        Modem is not receiving data

      OH            Red             On             Modem is off-hook

      OH            Red            Off             Modem is on-hook

      CD            Red             On          Carrier signal detected

      CD            Red            Off        Carrier signal not detected

      AA            Red             On            Auto-answer enabled

      AA            Red            Off           Auto-answer disabled

      AA            Red          Blinking        Modem is in test mode

      TR            Red             On            DTR signal is high

      TR            Red            Off             DTR signal is low

   1 Status       2 Status       3 Status              Condition

  Slow blink        Off            Off           Modem is connected at
                                                        300bps

  Slow blink        Off             On           Modem is connected at
                                                      1200/75bps

  Slow blink         On            Off           Modem is connected at
                                                        1200bps

  Slow blink         On             On           Modem is connected at
                                                        2400bps

      Off            On             On           Modem is connected at
                                                        4800bps

      On            Off            Off           Modem is connected at
                                                        7200bps

      On            Off             On           Modem is connected at
                                                        9600bps

      On             On            Off           Modem is connected at
                                                        12Kbps

      On             On             On           Modem is connected at
                                                       14.4Kbps

     Medium          On            Off           Modem is connected at
     blink                                             16.8Kbps

     Medium         Off             On           Modem is connected at
     blink                                             19.2Kbps

     Medium          On             On           Modem is connected at
     blink                                             21.6Kbps

  Fast blink        Off            Off           Modem is connected at
                                                        24Kbps

  Fast blink         On            Off           Modem is connected at
                                                       26.4Kbps

                         DIAGNOSTIC LED(S) (CON'T)

   1 Status       2 Status        3 Status             Condition

  Fast blink         On              On           Modem is connected at
                                                        28.8Kbps

  Fast blink     Fast blink         Off           Modem is connected at
                                                        31.2Kbps

  Fast blink     Fast blink          On           Modem is connected at
                                                        33.6Kbps

      Off            Off         Slow blink       Modem is connected at
                                                  2400bps in fax mode

      Off            On          Slow blink       Modem is connected at
                                                  4800bps in fax mode

      On             Off         Slow blink       Modem is connected at
                                                  7200bps in fax mode

      On             On          Slow blink       Modem is connected at
                                                  9600bps in fax mode

      On         Slow blink      Slow blink       Modem is connected at
                                                  14.4Kbps in fax mode

           MISCELLANEOUS TECHNICAL NOTES

            A back-panel diagram is not available.

                        SUPPORTED STANDARD COMMANDS

                             Basic AT Commands

  +++, comma, A/

  A, E, H, L, M, P, Q, T, V, W, Z

  &D, &F, &G, &S, &T, &W, &Y, &Z

                           Extended AT Commands

  \A, \B, \J, \N, \Q, \T, \X

  %C, %E, %Q

                            Special AT Commands

  :E, *H, -K, )M, -Q

                                S-Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S16, S18, S25,
  S26, S29, S30, S38, S95

            Note: See MHI help file for complete information.

  UNIDENTIFIED COMMANDS

   Command      Default

     \K            5

     %N            0

     S33           3

     S45          98

                         Proprietary AT Command Set

                              AUTO-RANGE TIME

  Type:          Register

  Format:        AT [cmds] S47=n [cmds]

  Default:       8

  Range:         1 - 255

  Unit:          1 second

  Description:   The function of this command is unidentified.

                                DCD SIGNAL

  Type:          Configuration

  Format:        AT [cmds] &Cn [cmds]

  Description:   Controls the behaviour of the DCD signal.

    Command                              Function

      &C0        DCD forced high.

      &C1        DCD forced high after carrier signal is detected.

      &C2        DCD forced high except at disconnect.

      &C3        DCD forced high for voice mode.

                                DCD SIGNAL

  Type:          Configuration

  Format:        AT [cmds] %Tn [cmds]

  Description:   Controls the behaviour of the DCD signal.

    Command                              Function

      %T0        DCD normal.

      %T1        DCD forced high.

                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#>;[cmds]

  Description:           Dials the telephone number indicated according
                         to any modifiers included in the string.

        Command                              Function

           DF            Calling tone disabled for this call.

           DJ            MNP10 link will be negotiated at 1200bps for
                         this call.

           DK            MNP10 power level adjustment enabled for this
                         call.

           DL            Re-dial last number.

           DM            Make a LAPM reliable mode connection this call.

           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.

           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 Quiet 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^            Calling tone disabled for this call.

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

                                 LED MODE

  Type:            Configuration

  Format:          AT [cmds] %Mn [cmds]

  Description:     Sets what the front-panel LEDs indicate.

     Command                              Function

       %M0         LEDs indicate line speed.

       %M1         LEDs indicate line quality, V.42 and MNP errors, and
                   flow control.

                          LOCAL SERIAL PORT SPEED

  Type:            Configuration

  Format:          AT [cmds] Rn [cmds]

  Description:     Sets the speed of the local serial port.

  Note:            More options are supported by this command than are
                   shown here.

     Command                             Function

       R9          Set local serial port speed to 9600bps.

       R14         Set local serial port speed to 14.4Kbps.

       R19         Set local serial port speed to 19.2Kbps.

       R28         Set local serial port speed to 28.8Kbps.

       R38         Set local serial port speed to 38.4Kbps.

       R57         Set local serial port speed to 57.6Kbps.

      R115         Set local serial port speed to 115.2Kbps.

      R230         Set local serial port speed to 230.4Kbps.

                          MNP10 LINK NEGOTIATION

  Type:                Configuration

  Format:              AT [cmds] %Hn [cmds]

  Description:         Sets the speed at which MNP10 link negotiation
                       will occur.

       Command                              Function

         %H0           Link will be negotiated at speed set by B command.

         %H1           Link will be negotiated at 1200bps.

         %H2           Link will be negotiated at 4800bps.

         %H3           Link will be negotiated at 9600bps.

         %H9           Link will be negotiated at speed set by B command
                       and modem will not fall forward.

                                  ON-LINE

  Type:           Immediate

  Format:         AT [cmds] On

  Description:    Instructs the modem to return to the on-line state.

  Note:           O3 through O7 are only valid for V.32 and V.32bis
                  connections.

     Command                             Function

       O0         Return to on-line state.

       O1         Return to on-line state and initiate retrain sequence.

       O2         Initiate retrain sequence.

       O3         Re-negotiate speed to 4800bps and return to on-line
                  state.

       O4         Re-negotiate speed to 7200bps and return to on-line
                  state.

       O5         Re-negotiate speed to 9600bps and return to on-line
                  state.

       O6         Re-negotiate speed to 12Kbps and return to on-line
                  state.

       O7         Re-negotiate speed to 14.4Kbps and return to on-line
                  state.

                                 V.34 MODE

  Type:          Configuration

  Format:        AT [cmds] *Cn [cmds]

  Description:   Selects whether the modem will use V.34 mode.

    Command                              Function

      *C0        V.34 mode enabled.

      *C1        V.34 mode disabled.

                         VOICE - DEAD MAN TIMEOUT

  Type:          Register

  Format:        AT [cmds] S105=n [cmds]

  Default:       30

  Range:         0 - 255

  Unit:          1 second

  Description:   The function of this command is unidentified.

                         Proprietary AT Command Set

 See NETCOMM LIMITED SOCKET ROCKET 336 (CM3660) for a full command summary.

