
3COM CORPORATION

US ROBOTICS COURIER V.EVERYTHING MODEM FOR MAC

Card Type                      Modem (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.FC, V.32terbo, HST, V.32bis,
                               V.32, V.22bis, , V.23
Fax Modulation Protocol        ITU-T V.17, V.21, V.27ter, V.29, TIA/EIA.592
Error Correction/Compression   V.42, MNP5, HST, V.42bis, V.54, V.25bis
Fax Class                      Class I & II
Data Bus                       External

[Image]

                                CONNECTIONS

        Function           Label             Function              Label

  AC power                      CN1      RS-232/422                 CN4

  Line out                      CN2      Power switch               SW2

  Line in                       CN3      Volume                     VC1







                        USER CONFIGURABLE SETTINGS

                   Function                      Label       Position

  Voice enabled                                   SW1       Position A

  Data enabled                                    SW1       Position B

  Power on                                        SW2           On

  Power off                                       SW2           Off

  DTR Ignored                                    SW3/1          On

  DTR normal                                     SW3/1          Off

  Verbal result codes enabled                    SW3/2          Off

  Numeric result codes enabled                   SW3/2          On

  Display result codes                           SW3/3          On

  Suppress result codes                          SW3/3          Off

  Echo offline commands                          SW3/4          Off

  Do not echo offline commands                   SW3/4          On

  Auto-answer disabled                           SW3/5          On

  Auto-answer enabled                            SW3/5          Off

  Normal carrier detect                          SW3/6          Off

  Carrier detect always on                       SW3/6          On

  Display all result codes                       SW3/7          Off

  Display result codes only on originate         SW3/7          On

  Act on AT codes                                SW3/8          On

  Ignore AT codes                                SW3/8          Off

  Disconnect on +++                              SW3/9          Off

  Do not disconnect on +++                       SW3/9          On

  Load the configuration that is stored in      SW3/10          Off
  non-volatile memory

  Load the &F0 configuration from read only     SW3/10          On
  memory











































                             DIAGNOSTIC LED(S)

   LED          Color           Status                Condition

   LED1      Unidentified         On        Modem is operating at 4800bps
                                                      or faster

   LED1      Unidentified        Off         Modem is operating at slower
                                                    than 4800bps

   LED2      Unidentified         On             Auto-answer enabled

   LED2      Unidentified        Off            Auto-answer disabled

   LED2      Unidentified      Blinking           Phone is ringing

   LED3      Unidentified         On           Carrier signal detected

   LED3      Unidentified        Off         Carrier signal not detected

   LED4      Unidentified         On              Modem is off-hook

   LED4      Unidentified        Off              Modem is on-hook

   LED5      Unidentified      Blinking        Modem is receiving data

   LED5      Unidentified        Off         Modem is not receiving data

   LED6      Unidentified      Blinking      Modem is transmitting data

   LED6      Unidentified        Off          Modem is not transmitting
                                                        data

   LED7      Unidentified         On             DTR signal is high

   LED7      Unidentified        Off              DTR signal is low

   LED8      Unidentified         On                 Power is on

   LED8      Unidentified      Blinking        Modem is retraining with
                                             remote device, or is in test
                                                        mode

   LED8      Unidentified        Off                Power is off

   LED9      Unidentified         On             RTS signal detected

   LED9      Unidentified        Off           RST signal not detected

  LED10      Unidentified         On             CTS signal detected

  LED10      Unidentified        Off           CTS signal not detected

  LED11      Unidentified         On        Modem is in synchronous mode

  LED11      Unidentified      Blinking        Data security is active

  LED11      Unidentified        Off         Modem is not in synchronous
                                                        mode

  LED12      Unidentified         On          Error correction enabled

  LED12      Unidentified      Flashing     Modem is re-transmitting data
                                                 to the remote modem

  LED12      Unidentified      Blinking         Modem is in fax mode

  LED12      Unidentified        Off           Error correction is not
                                                 active/modem is not
                                            re-transmitting data/modem is
                                                   not in fax mode

                       SUPPORTED COMMAND SET

                         Basic AT Commands

  AT, +++, A/

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

  &C, &G, &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

                            REPEAT LAST COMMAND

  Type:          Immediate

  Format:        AT [cmds] A> [cmds]

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

                          ADDITIONAL RESULT CODES

  Type:                Configuration

  Format:              AT [cmds] &An [cmds]

  Description:         Controls the display of the additional result
                       codes

       Command                              Function

         &A0           ARQ result codes disabled

         &A1           ARQ result codes enabled

         &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

          DL             Last number re-dial

          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

          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 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;             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        On-line 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

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Selects normal/leased phone line

    Command                                Mode

      &L0        Switched line (PSTN/Dial-up)

      &L1        Leased phone line

      &L2        HST cellular mode

                            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

                            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            Voice detection disabled, all result codes
                         enabled

           X7            Result codes 0-11, 13-173 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.

                              SOFTWARE RESET

  Type:                  Immediate

  Format:                AT [cmds] Z [cmds]

  Description:           If SW3/10 is on, reset to then NVRAM setting. If
                         SW3/10 is off, reset to the &F0 configuration
                         template

                              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         Request remote digital loopback

        &T7         Request remote digital loopback and self-test

        &T8         Initiate local analog loopback test 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 COMMAND STRING

  Type:                 Immediate

  Format:               AT [cmds] ZC=s [cmds]

  Description:          Write command string s to NVRAM. The command
                        string may be up to 40 characters long

                            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
                   accounts 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] %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

                           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

                             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

