
NETCOMM LIMITED

MEMORYMODEM 336 (AM3440)

Card Type                    Modem (asynchronous)
Chipset                      Unidentified
Maximum Onboard Memory       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          Blinking       Auto-answer enabled and
                                               modem will store incoming
                                                       messages

      AA            Red            Off           Auto-answer disabled

      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

  Alternating     Alternating     Alternating        Modem has stored a
                                                     message in memory

           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, &L, &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.

                             CHARACTER LENGTH

  Type:          Configuration

  Format:        AT [cmds] &Bn [cmds]

  Description:   Selects the character length the modem will use.

    Command                              Function

      &B0        8 bit character length selected.

      &B1        9 bit character length selected.

      &B2        10 bit character length selected.

      &B3        11 bit character length selected.

      &B4        Modem auto-detects 10 or 11 bit character length.

                                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.

                               DIAL (CONT)

      Command                              Function

         DT           Tone dialing enabled.

         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 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:              There may be more options supported by this command
                     than are listed below.

      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.

                           MESSAGE CLEAR - FAST

  Type:          Immediate

  Format:        AT [cmds] #MCLN [cmds]

  Description:   Erases all the used portions of the modem's memory.

                         MESSAGE CLEAR - MESSAGES

  Type:          Immediate

  Format:        AT [cmds] #MCLR [cmds]

  Description:   Erases the message area of the modem's memory.

                         MESSAGE CLEAR - THOROUGH

  Type:            Immediate

  Format:          AT [cmds] #MINI [cmds]

  Description:     Erases the modem's memory completely, including unused
                   portions.

                              MESSAGE DISPLAY

  Type:           Immediate

  Format:         AT [cmds] #MCD [cmds]

  Description:    Displays the messages that are stored in the modem's
                  memory.

                             MESSAGE DOWNLOAD

  Type:            Immediate

  Format:          AT [cmds] #MDV [cmds]

  Description:     Downloads the messages stored in the modem's memory to
                   the DTE.

                               MESSAGE ERASE

  Type:          Immediate

  Format:        AT [cmds] #MEVn [cmds]

  Description:   Erases the message specified from the modem's memory.

                           MESSAGE NUMBER - FAX

  Type:            Immediate

  Format:          AT [cmds] #MSF [cmds]

  Description:     Displays the number of fax messages stored in the
                   modem's memory.

                          MESSAGE NUMBER - VOICE

  Type:             Immediate

  Format:           AT [cmds] #MSV [cmds]

  Description:      Displays the number of voice messages stored in the
                    modem's memory.

                               MESSAGE PLAY

  Type:          Immediate

  Format:        AT [cmds] #MPVn [cmds]

  Description:   Plays the voice message indicated.

                              MESSAGE STORAGE

  Type:                 Configuration

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

  Description:          Selects whether the modem will store incoming fax
                        and voice messages in its memory.

       Command                              Function

        #MEM=0          Memory storage disabled.

        #MEM=1          Memory storage enabled.

                     MESSAGE - WELCOME MESSAGE RECORD

  Type:          Immediate

  Format:        AT [cmds] #MRW [cmds]

  Description:   Records the voice welcome message.

              MESSAGE - WELCOME MESSAGE RECORD FROM DATA MODE

  Type:                   Immediate

  Format:                 AT [cmds] #MWEL [cmds]

  Description:            Enters voice mode, sets the serial port speed
                          to 38.4Kbps, sets the DSP source to the
                          handset, and records the voice welcome message.

                              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.

                                   MNP10

  Type:             Configuration

  Format:           AT [cmds] #Kn [cmds]

  Description:      Selects whether the modem will attempt to make an
                    MNP10 connection.

     Command                              Function

       #K0          MNP10 disabled.

       #K1          MNP10 enabled.

       #K2          MNP10 enabled on cellular connections only.

                          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 4800bps.

         %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.

                               VOICE DEVICE

  Type:          Configuration

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

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

    Command                              Function

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

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

                      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.

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

