
NETCOMM LIMITED

SMARTMODEM 336D (SM3660, SM3660M, SM3660V)

Card Type                    Modem (synchronous/asynchronous)
Chipset                      Unidentified
I/O Options                  Voice, speakerphone, DSVD
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
Data Bus                     Serial

[Image]

                                CONNECTIONS

        Function            Label            Function             Label

  Talk/Data or Mode          BT1       Telephone line in           CN3
  button

  Talk/Data or Mode          BT2       Telephone line out          CN4
  button

  DC power in                CN1       Power switch                SW2

  Serial port                CN2

            Note: It is not known which of BT1 and BT2 is the Talk/Data
            button and which is the Mode button.

                        USER CONFIGURABLE SETTINGS

                      Setting                        Label     Position

  DTR normal (%F1 set)                               SW1/1        On

  DTR forced high (%F1 set)                          SW1/1       Off

  DSR normal (%F1 set)                               SW1/2        On

  DSR follows DTR (%F1 set)                          SW1/2       Off

  Test pattern disabled (smart mode)                 SW1/3        On

  Test pattern enabled (smart mode)                  SW1/3       Off

  Auto-answer enabled (dumb mode)                    SW1/3        On

  Auto-answer disabled (dumb mode)                   SW1/3       Off

                    USER CONFIGURABLE SETTINGS (CON'T)

                      Setting                        Label     Position

  Smart mode                                         SW1/4        On

  Dumb mode                                          SW1/4       Off

  Analog loopback test enabled (smart mode)          SW1/5        On

  Analog loopback test disabled (smart mode)         SW1/5       Off

  Modem is in asynchronous mode (dumb mode)          SW1/5        On

  Modem is in synchronous mode (dumb mode)           SW1/5       Off

  Remote digital loopback test enabled (smart        SW1/6        On
  mode)

  Remote digital loopback test disabled (smart       SW1/6       Off
  mode)

  Modem is in answer mode (dumb mode)                SW1/6        On

  Modem is in originate mode (dumb mode)             SW1/6       Off

                      COMMAND SET SELECTION (%F0 SET)

                 Setting                       SW1/1           SW1/2

  AT command set selected in asynchronous        On              On
                   mode

      V.25bis command set selected in            On             Off
            asynchronous mode

   V.25bis command set selected in HDLC         Off              On
             synchronous mode

  V.25bis command set selected in bisync        Off             Off
             synchronous mode

                             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

                         DIAGNOSTIC LED(S) (CON'T)

   1 Status       2 Status        3 Status             Condition

  Medium blink       On             Off           Modem is connected at
                                                        16.8Kbps

  Medium blink       Off             On           Modem is connected at
                                                        19.2Kbps

  Medium blink       On              On           Modem is connected at
                                                        21.6Kbps

  Fast blink         Off            Off           Modem is connected at
                                                         24Kbps

  Fast blink         On             Off           Modem is connected at
                                                        26.4Kbps

  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

                        SUPPORTED STANDARD COMMANDS

                             Basic AT Commands

  +++, comma, A/

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

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

                           Extended AT Commands

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

  %C, %E, %L, %Q

                                S-Registers

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

                                  V.25bis

  The V.25bis command set is unidentified.

            Note: See MHI help file for complete information.

            The %L command indicated above is in addition to the one
            listed in the referenced document.

     UNIDENTIFIED COMMANDS

    Command         Default

       \K              5

       %N              0

       #R        Unidentified

       #S        Unidentified

      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 SET

  Type:           Configuration

  Format:         AT [cmds] #Un [cmds]

  Description:    Selects the character set the modem will use in V.25bis
                  mode.

    Command                              Function

      #U0         Modem will use the ASCII character set.

      #U1         Modem will use the EBCDIC character set.

                             COMMAND SET TYPE

  Type:          Immediate

  Format:        AT [cmds] #Mn [cmds]

  Description:   Selects the type of command set the modem will use.

    Command                              Function

      #M0        AT command set selected in asynchronous mode.

      #M1        V.25bis command set selected in asynchronous mode.

      #M2        V.25bis command set selected in HDLC synchronous mode.

      #M3        V.25bis command set selected in bisync synchronous mode.

                                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!            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.

                                 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.

                             FRONT PANEL TESTS

  Type:                Configuration

  Format:              AT [cmds] #Fn [cmds]

  Description:         Selects whether SW1/3, SW1/5, and SW1/6 may be
                       used to select loopback test modes.

       Command                              Function

         #F0           Front panel tests disabled.

         #F1           Front panel tests enabled.

                               FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Selects the type of flow control the modem will use.

    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.

      &K9        Failsafe flow control enabled.

                                 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 - AT COMMAND SET

  Type:            Configuration

  Format:          AT [cmds] Rn [cmds]

  Description:     Sets the speed of the local serial port in AT command
                   mode.

  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.

               LOCAL SERIAL PORT SPEED - V.25bis COMMAND SET

  Type:            Configuration

  Format:          AT [cmds] #Qn [cmds]

  Description:     Sets the speed of the local serial port in V.25bis
                   command mode.

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

     Command                              Function

       #Q9         Set local serial port speed to 9600bps.

      #Q14         Set local serial port speed to 14.4Kbps.

      #Q19         Set local serial port speed to 19.2Kbps.

      #Q28         Set local serial port speed to 28.8Kbps.

      #Q38         Set local serial port speed to 38.4Kbps.

      #Q57         Set local serial port speed to 57.6Kbps.

      #Q115        Set local serial port speed to 115.2Kbps.

      #Q230        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 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.

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] Qn [cmds]

  Description:   Enables modem to send result codes to the DTE.

    Command                              Function

       Q0        Result codes enabled.

       Q1        Result codes disabled.

       Q2        RINGING result code disabled in answer mode.

                         SWITCHES SW1/1 AND SW1/2

  Type:          Configuration

  Format:        AT [cmds] %Fn [cmds]

  Description:   Sets the function of front panel switches SW1/1 and
                 SW1/2.

    Command                              Function

      %F0        SW1/1 and SW1/2 control command set type.

      %F1        SW1/1 and SW1/2 control the DTR and DSR signals.

                           V.22bis - LEASED LINE

  Type:                  Configuration

  Format:                AT [cmds] #In [cmds]

  Description:           Selects which type of V.22bis modulation the
                         modem will use over leased line connections.

        Command                              Function

          #I0            Modem will use leased line V.22bis over leased
                         line connections.

          #I1            Modem will use switched line V.22bis over leased
                         line connections.

                          V.25bis DIRECT CALLING

  Type:             Configuration

  Format:           AT [cmds] #Dn [cmds]

  Description:      Selects whether the modem will use V.25bis direct
                    calling procedures.

     Command                              Function

       #D0          V.25bis direct calling procedures disabled.

       #D1          V.25bis direct calling procedures enabled.

                       V.25bis IGNORE INCOMING CALL

  Type:          Register

  Format:        AT [cmds] S71=n [cmds]

  Default:       0

  Range:         0 - 30

  Unit:          1 second

  Description:   The function of this command is unidentified.

                           V.25bis FRAMING TYPE

  Type:              Configuration

  Format:            AT [cmds] #Nn [cmds]

  Description:       Selects the framing type the modem will use in
                     V.25bis synchronous mode.

      Command                              Function

        #N0          Modem will use NRZ framing.

        #N1          Modem will use NRZI framing.

                                 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.

                                 X.32 MODE

  Type:          Configuration

  Format:        AT [cmds] %Xn [cmds]

  Description:   Selects whether the modem will use X.32 mode.

  Note:          This command is not supported by all models.

    Command                              Function

      %X0        X.32 disabled.

      %X1        X.32 enabled.

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

