
3COM CORPORATION

US ROBOTICS COURIER V.EVERYTHING PC CARD MODEM

Card Type                      Modem (synchronous/asynchronous)
Chip Set                       Unidentified
Maximum Modem Rate             33.6Kbps
Maximum Fax Rate               14.4Kbps
Data Modulation Protocol       Bell 103/212A

                               ITU-T V.34, V.Fast class, V.32terbo, HST,
                               V.32bis, V.32, V.22bis, V.23
Fax Modulation Protocol        TIA/EIA-578, TIA/EIA-592, V.17, V.29,
                               V.27ter, V.21
Error Correction/Compression   V.42, MNP5, HST, V.42bis, V.54
Fax Class                      Class I & II
Data Bus                       PCMCIA Type II

                                                                      54920

                             DIAGNOSTIC LED(S)

    LED          Color         Status                Condition

   Power      Unidentified       On                 Power is on

   Power      Unidentified       Off               Power is off

    Send      Unidentified       On         Modem is transmitting data

    Send      Unidentified       Off      Modem is not transmitting data

  Receive     Unidentified       On           Modem is receiving data

  Receive     Unidentified       Off        Modem is not receiving data

  On-line     Unidentified       On               Modem connected

  On-line     Unidentified       Off            Modem not connected

                       SUPPORTED COMMAND SET

                         Basic AT Commands

  AT, +++, A/

  A, B, C, E, F, H, M, O, V

  &C, &G, &L, &W, &X, &Z

                            S Registers

  S0, S1, S2, S3, S4, S5, S6, S7, S8, S9, S10, S11, S12, S18, S26

  Note: See MHI Help File for full command documentation.







































                         Proprietary AT Command Set

                         ADDITIONASL RESULT CODES

  Type:                Configuration

  Format:              AT [cmds] &An [cmds]

  Description:         Controls the display of the additional result
                       codes

       Command                              Function

         &A0           Do not display ARQ result codes

         &A1           Display ARQ result codes

         &A2           Display ARQ result codes, HST, V.32, V.FC or V.34
                       modulation indicator

         &A3           Display ARQ result codes and error control
                       indicator LAPM, HST, MNP, SYNC, or NONE

                              BREAK HANDLING

  Type:          Configuration

  Format:        AT [cmds] &Yn [cmds]

  Description:   Controls the break handling

    Command                              Function

      &Y0        Destructive, dont send break

      &Y1        Destructive, expedited break sent

      &Y2        Nondestructive, expedited break sent

      &Y3        Nondestructive un-expedited break sent

                              CONNECTION RATE

  Type:          Configuration

  Format:        AT [cmds] &Nn [cmds]

  Description:   Controls the connection rate

    Command                              Function

      &N0        Variable rate

      &N1        300bps

      &N2        1200bps

      &N3        2400bps

      &N4        4800bps

      &N5        7200bps

      &N6        9600bps

      &N7        12Kbps

      &N8        14.4Kbps

      &N9        16.8Kbps

      &N10       19.2Kbps

      &N11       21.6Kbps

      &N12       24Kbps

      &N13       26.4Kbps

      &N14       28.8Kbps

                             DATA COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] &Kn [cmds]

  Description:   Controls the data compression

    Command                              Function

      &K0        Data compression disabled

      &K1        Use auto enable/disable data compression

      &K2        Data compression always enabled

      &K3        Selective data compression

                           DATA SET READY (DSR)

  Type:              Configuration

  Format:            AT [cmds] &Sn [cmds]

  Description:       Selects DSR options

      Command                              Function

        &S0          DSR forced high

        &S1          DSR high only while modem is handshaking or
                     connected

        &S2          On loss of carrier, modem sends a pulse DSR signal
                     with CTS following CD

        &S3          On loss of carrier, modem sends a pulse DSR signal

        &S4          Modem sends DSR signal at the same time it sends CD
                     signal

                         DATA TERMINAL READY (DTR)

  Type:                  Configuration

  Format:                AT [cmds] &Dn [cmds]

  Description:           Selects modem response to DTR

            Note: The action each variant of &D causes depends on the
            setting of &Q

        Command                              Function

          &D0            Modem does not respond to DTR

          &D1            Modem goes to command mode after DTR goes is off

          &D2            Modem goes to command mode and disconnects
                         (hangs up) after DTR goes off; Auto-Answer is
                         disabled.

                                   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

          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/Pulse dialing disabled

          D@             Wait for an answer

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

          D/             Pause for 125 milliseconds

                               ERROR CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects the error control protocol

    Command                                Mode

      &M0        Normal mode, no error control

      &M1        Synchronous mode, without V.25bis

      &M2        Reserved

      &M3        Reserved

      &M4        Normal/ARQ mode,

      &M5        ARQ asynchronous mode

      &M6        V.25bis synchronous mode.

      &M7        V.25bis synchronous mode, using HDLC link protocol

                          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          Load No Flow Control template settings

       &F1          Load Hardware Flow Control template settings

       &F2          Load Software Flow Control template settings

       &F3          Load HST cellular template settings

                                   HELP

  Type:           Configuration

  Format:         AT [cmds] #$ [cmds]

  Description:    Display the help pannels for the octothorpe (#) command
                  set

                                MODEM CLOCK

  Type:                  Configuration

  Format:                AT [cmds] Kn [cmds]

  Description:           Controls the modem clock

        Command                              Function

          K0             If on-line, display current call duration; if
                         off-line, display the last calls duration

          K1             Display the actual time (set clock using
                         ATI3=HH:MM:SS K1)

                           PHONE LINE SELECTION

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects normal/leased/cellular line

    Command                              Function

      &L0        Switched line (PSTN/Dial-up)

      &L1        Leased line

      &L2        HST cellular line

                            PULSE DIALING RATIO

  Type:          Configuration

  Format:        AT [cmds] &Pn [cmds]

  Description:   Selects pulse dial make/break ratio

    Command                              Function

      &P0        39/61ms at 10pps (North America)

      &P1        33/67ms at 10pps (Europe)

                         RECEIVE DATA FLOW CONTROL

  Type:                  Configuration

  Format:                AT [cmds] &In [cmds]

  Description:           Controls the receive data flow control

        Command                             Jack Type

          &I0            Disables XON/XOFF flow control

          &I1            Modem acts on typed XON/XOFF commands, Ctrl -S,
                         or Ctrl -Q and passes them to remote device

          &I2            Modem acts on typed XON/XOFF commands but
                         removes them from data stream

          &I3            Hewlett Packard host mode

          &I4            Hewlett Packard terminal mode

          &I5            Enable flow control on the phone link when the
                         connection is not under error control

                            REPEAT LAST COMMAND

  Type:          Immediate

  Format:        AT [cmds] A> [cmds]

  Description:   Repeat last command until canceled by pressing any key.

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports product code

       I1        Reports results of ROM checksum

       I2        Reports results of RAM test

       I3        Reports the duration of the last call

       I4        Reports the current modem settings

       I5        Reports the settings stored in NVRAM

       I6        Reports statistics for the last call

       I7        Reports product configuration

       I8        Reserved

       I9        Reserved

      I10        Reports dial security account status information

      I11        Reserved

                               RESULT CODES

  Type:          Configuration

  Format:        AT [cmds] Qn [cmds]

  Description:   Enables modem to send result codes to the DTE

    Command                              Function

       Q0        Result code sending enabled

       Q1        Result code sending disabled

       Q2        Suppress result codes when answering

                                  RTS/CTS

  Type:           Configuration

  Format:         AT [cmds] &Rn [cmds]

  Description:    Selects RTS/CTS options

    Command                              Function

      &R0         CTS follows RTS in data mode; RTS is ignored in command
                  mode.

      &R1         CTS forced high, RTS is ignored.

      &R2         Enable hardware flow control of received data

                     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 enabled.

           X1            Busy and dial tone detection disabled; result
                         codes 0 - 5 & 10 enabled.

           X2            Busy tone detection disabled, dial tone
                         detection enabled; result codes 0 - 6 & 10
                         enabled.

           X3            Busy tone detection enabled, dial tone detection
                         disabled; result codes 0 - 5, 7 & 10 enabled.

           X4            Busy and dial tone detection enabled; result
                         codes 0 - 7 & 10 enabled.

           X5            Busy tone detection disabled, dial tone
                         detection disabled, all result codes enabled

           X6            All result codes enabled

           X7            Voice detection disable, all result codes
                         enabled

                             SERIAL PORT RATE

  Type:                Configuration

  Format:              AT [cmds] &Bn [cmds]

  Description:         Controls the serial port rate

       Command                              Function

         &B0           Variable serial port rate

         &B1           Fixed serial port rate

         &B2           In answer mode use fixed rate for ARQ calls and
                       variable rate for non ARQ calls.

                              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

                                TEST MODES

  Type:          Immediate

  Format:        AT [cmds] &Tn

  Description:   Selects test options

    Command                              Function

      &T0        End current test

      &T1        Begin local analog loopback test

      &T3        Begin local digital loopback

      &T4        Grant remote digital loopback request

      &T5        Deny remote digital loopback request

      &T6        Begin remote digital loopback

      &T7        Begin remote digital loopback and self-test

      &T8        Begin analog loopback with self test and error detection

                        TRANSMIT DATA FLOW CONTROL

  Type:          Configuration

  Format:        AT [cmds] &Hn [cmds]

  Description:   Controls the transmit data flow

    Command                              Function

      &H0        Flow control disabled

      &H1        Hardware flow control enable

      &H2        Software flow control enable

      &H3        Both hardware and software flow control enabled

                             WRITE TO TEMPLATE

  Type:          Configuration

  Format:        AT [cmds] &Wn [cmds]

  Description:   Writes to desired template

    Command                              Function

      &W0        Write to NVRAM template 0

      &W1        Write to NVRAM template 1

                            Extended AT Commands



                              ASSIGN PASSWORD

  Type:          Immediate

  Format:        AT [cmds] %V=PWn [cmds]

  Description:   Assign the password in account n in security account

                                CLOCK SPEED

  Type:          Immediate

  Format:        AT [cmds] %N [cmds]

  Description:   Sets the V.25bis clock speed

    Command                              Function

      %N0        Reserved

      %N1        Reserved

      %N2        1200bps

      %N3        2400bps

      %N4        4800bps

      %N5        7200bps

      %N6        9600bps

      %N7        12Kbps

      %N8        14.4Kbps

      %N9        16.8Kbps

      %N10       19.2Kbps

                          ERASE SECURITY SETTINGS

  Type:            Configuration

  Format:          AT [cmds] %En [cmds]

  Description:     Erases selected security settings

     Command                             Function

       %E1         Erase local access password

       %E2         Erase autopass password

       %E3         Erase passwords in accounts 0-9

       %E4         Erase phone numbers in accounts 0-9

       %E5         Disable account, dialback, and new number fields in
                   accouns 0-9

                           LOCAL ACCESS PASSWORD

  Type:          Configuration

  Format:        AT [cmds] %Ln [cmds]

  Description:   Set local access password

                             PASSWORD SECURITY

  Type:          Immediate

  Format:        AT [cmds] %P [cmds]

  Description:   Disable password security

                           REMOTE CONFIGURATION

  Type:             Configuration

  Format:           AT [cmds] %Cn [cmds]

  Description:      Controls the remote configuration

     Command                              Function

       %C0          Defer configuration changes until the call is ended

       %C1          Cancel configuration changes and restore the original
                    configuration

       %C2          Force configuration changes to take effect
                    immediately

                           REMOTE CONFIGURATION

  Type:          Configuration

  Format:        AT [cmds] %Fn [cmds]

  Description:   Configure another devices data remotely

    Command                              Function

      %F0        No parity, 8 data bits

      %F1        Mark parity, 7 data bits

      %F2        Odd parity, 7 data bits

      %F3        Even parity, 7 data bits

                             SECURITY ACCOUNTS

  Type:          Configuration

  Format:        AT [cmds] %An [cmds]

  Description:   Create and configure security accounts

                             SECURITY ACCOUNTS

  Type:          Configuration

  Format:        AT [cmds] %Sn [cmds]

  Description:   Access security accounts

                             SERIAL PORT RATE

  Type:          Configuration

  Format:        AT [cmds] %Bn [cmds]

  Description:   Remotely configure a modems serial port rate

    Command                              Function

      %B0        110bps

      %B1        300bps

      %B2        600bps

      %B3        1200bps

      %B4        2400bps

      %B5        4800bps

      %B6        9600bps

      %B7        19200bps

      %B8        38400bps

      %B9        57600bps

      %B10       115200bps

                             TONE FREQUENCIES

  Type:          Configuration

  Format:        AT [cmds] %Tn [cmds]

  Description:   Enalbes recognition of the tone frequencies

