
NETCOMM LIMITED

ROADSTER II 56 ULTRA SVD (AM5690)

Card Type                          Modem (asynchronous)
Chip Set                           Unidentified
Maximum Modem Rate                 56.0Kbps
Maximum Fax Rate                   14.4Kbps
Data Modulation Protocol           Bell 103/212A, ITU-T V.21, V.22,
                                   V.22bis, V.23, V>32, V.32bis, V.34,
                                   K56flex, V.90
Fax Modulation Protocol            ITU-T V.17, V.27ter, V.29
Error Correction/Compression       MNP5, MNP10, V.42, V.42bis
Fax Class                          Class I
Data Bus                           External

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  DC power                        CN1       Line in                 CN3

  RS-232/422                      CN2



















                             DIAGNOSTIC LED(S)

   LED         Color         Status                 Condition

  TX/RX        Green           On        Modem is transmitting/receiving
                                                      data

  TX/RX        Green          Off                  Modem is not
                                           transmitting/receiving data

  TX/RX        Green        Blinking    Modem is transmitting data to the
                                                 local computer

    CD      Unidentified       On            Carrier signal detected

    CD      Unidentified      Off          Carrier signal not detected

    OH      Unidentified       On               Modem is off-hook

    OH      Unidentified      Off               Modem is on-hook

    TR      Unidentified       On              DTR signal is high

    TR      Unidentified      Off               DTR signal is low

  POWER     Unidentified       On                  Power is on

  POWER     Unidentified      Off                 Power is off

                           SUPPORTED COMMAND SET

                             Basic AT Commands

  AT, +++, A/

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

  &C, &D, &R, &S, &W, &Y, &Z

                           Extended AT Commands

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

  %C, %L, %Q

                                S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S24, S25,
  S29, S30, S32, S33,

  S38, S48, S82, S86, S95

                             Special Commands

  *H, -K, -Q, )M, @M, :E, +MS

  Note: See MHI Help File for full command documentation.









































                         Proprietary AT Command Set

                                   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

          DS=n           Dial stored telephone number n

           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 Quite 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^            Disable calling tones

           DJ            Perform an MNP10 connection

           DK            Enable power level adjustment during MNP10
                         connection

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

                            REPORT INFORMATION

  Type:                  Immediate

  Format:                AT [cmds] In [cmds]

  Description:           Displays information requested

        Command                              Function

           I0            Reports modem model and speed

           I1            Reports ROM checksum

           I3            Reports ROM revision number

           I4            Displays Hayes compatible coded strings
                         containing product and feature specific
                         information

           I9            Displays the product ID and revision number

                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L0        Low volume setting

       L1        Low volume setting

       L2        Medium volume setting

       L3        Highest volume setting





                            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

                     SELECT CALL PROGRESS RESULT CODES

  Type:                  Configuration

  Format:                AT [cmds] Xn [cmds]

  Description:           Enables selection of tone detection and
                         associated result code format options

        Command                              Function

           X0            Busy and dial tone detection disabled; result
                         codes 0 - 4, 8, 33, 35, +F4 enabled.

           X1            Busy and dial tone detection disabled; result
                         codes 0 - 5, 8-23, 33, 35, +F4 enabled.

           X2            Busy tone detection disabled, dial tone
                         detection enabled; result codes 0 - 6, 8-23, 33,
                         35, +F4 enabled.

           X3            Busy tone detection enabled, dial tone detection
                         disabled; result codes 0 - 23, 33, 35, +F4
                         enabled.

           X4            Busy and dial tone detection enabled; all result
                         codes enabled.

                          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          Restore factory default profile 0

       &F2          Restore factory default profile 1

                                GUARD TONE

  Type:           Configuration

  Format:         AT [cmds] &Gn [cmds]

  Description:    Commands the modem to transmit a guard tone in
                  V.22/V.22bis

            Note: Used primarily for international data transmission

    Command                              Function

      &G0         Guard tone disabled

      &G2         1800Hz guard tone enabled















                               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

                            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

                          CONFIGURATION PROFILES

  Type:          Immediate

  Format:        AT [cmds] &V [cmds]

  Description:   Displays active and stored configuration profiles

    Command                                Mode

      &V0        View active and stored command profiles

      &V1        Display last connection statistics

                          Extended AT Command Set

                 AUTO-RETRAIN - AUTO-FALLBACK/FALL-FORWARD

  Type:              Configuration

  Format:            AT [cmds] %En [cmds]

  Description:       Controls auto-retrain mode and fallback/fall-forward

      Command                              Function

        %E0          Auto-retrain disabled

        %E1          Auto-retrain enabled

        %E2          Auto-fallback/fall-forward enabled

        %E3          Auto-retrain enabled, hang-up when line quality
                     reaches hang-up threshold

                       V.42bis - COMPRESSION CONTROL

  Type:          Configuration

  Format:        AT [cmds] #Cn [cmds]

  Description:   Controls V.42bis data compression

    Command                              Function

      #C0        Calling tones disabled

      #C1        Calling tone controlled by dial modifier n







                          MNP10 ENHANCED CELLULAR

  Type:          Configuration

  Format:        AT [cmds] -SECn [cmds]

  Default:       0

  Range:         10-30

  Unit:          -1 dBm

  Description:   Sets the enhanced cellular function

