
MULTI-TECH SYSTEMS, INC.

MULTIMOBILE (MT128NTZLX)

Card Type          ISDN
Wiring Type        ISDN U-interface
ISDN Transfer Rate 64Kbps x 2
ISDN Protocol      ITU-T Q.921/Q.931, ETSI NET3
Data Bus           PCMCIA

                                                                      54716

                   SUPPORTED COMMAND SET

                     Basic AT Commands

  AT

  A, E

  &F, &V



  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                          ASYNC TO SYNC LINK MODE

  Type:              Configuration

  Format:            AT [cmds] &Nn [cmds]

  Description:       Selects Single-link or Multi-Link mode for Async to
                     Sync PPP conversion

      Command                             Jack Type

       &N0=0         Single-Link mode for Async to Sync PPP conversion

       &N0=1         Multi-Link mode for Async to Sync PPP conversion

                                   DIAL

  Type:                  Immediate

  Format:                AT [cmds] D<#> [cmds]

  Description:           Dials ISDN 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

          DSn            Dial stored telephone number n

           DT            Dial out ISDN number

           DL            Redial last ISDN number

                           HARDWARE VERIFICATION

  Type:          Immediate

  Format:        AT [cmds] &Kn [cmds]

  Description:   Verifies TA hardware function. Reports "OK" or "BAD"

                                 ISDN LINK

  Type:              Configuration

  Format:            AT [cmds] Hn [cmds]

  Description:       Selects various options for ISDN link

      Command                             Function

        H0           Hang up ISDN link

        H4           Restart ISDN layer 2 link. Command issued when SPID
                     number have changed

        H5           View ISDN TA status responses

                               LOAD PROFILE

  Type:          Configuration

  Format:        AT [cmds] &Ln [cmds]

  Description:   Loads user profile into active RAM

    Command                              Function

      &L0        Load user profile 0 to active RAM

      &L1        Load user profile 1 to active RAM

      &L2        Load user profile 2 to active RAM

      &L3        Load user profile 3 to active RAM

      &L4        Load user profile 4 to active RAM

      &L5        Load user profile 5 to active RAM

      &L6        Load user profile 6 to active RAM

      &L7        Load user profile 7 to active RAM

      &L8        Load user profile 8 to active RAM

      &L9        Load user profile 9 to active RAM

                                MULTI-LINK

  Type:                 Configuration

  Format:               AT [cmds] &Jn [cmds]

  Description:          Selects whether one or two ISDN phone numbers are
                        used for Multi-Link PPP connections

       Command                              Jack Type

         &J0            Two different phone numbers are use for
                        Multi-Link PPP connection

         &J1            Single ISDN phone number is used for Multi-Link
                        PPP connections

                                  ON-LINE

  Type:           Immediate

  Format:         AT [cmds] On [cmds]

  Description:    Controls on-line command (data transmission) state
                  options.

    Command                              Function

       O0         On-line command mode enabled

                             POWER-UP PROFILE

  Type:             Configuration

  Format:           AT [cmds] &Pn [cmds]

  Description:      Copies selected profile into profile E and sets it as
                    power-up profile

      Command                             Function

        &P0         Copy user profile 0 to user profile E, and set it as
                    power-up profile

        &P1         Copy user profile 1 to user profile E, and set it as
                    power-up profile

        &P2         Copy user profile 2 to user profile E, and set it as
                    power-up profile

        &P3         Copy user profile 3 to user profile E, and set it as
                    power-up profile

        &P4         Copy user profile 4 to user profile E, and set it as
                    power-up profile

        &P5         Copy user profile 5 to user profile E, and set it as
                    power-up profile

        &P6         Copy user profile 6 to user profile E, and set it as
                    power-up profile

        &P7         Copy user profile 7 to user profile E, and set it as
                    power-up profile

        &P8         Copy user profile 8 to user profile E, and set it as
                    power-up profile

                           STORE ACTIVE PROFILE

  Type:          Configuration

  Format:        AT [cmds] &Wn [cmds]

  Description:   Writes the values for the active profile into RAM

    Command                              Function

      &W0        Write the active profile to stored profile 0

      &W1        Write the active profile to stored profile 1

      &W2        Write the active profile to stored profile 2

      &W3        Write the active profile to stored profile 3

      &W4        Write the active profile to stored profile 4

      &W5        Write the active profile to stored profile 5

      &W6        Write the active profile to stored profile 6

      &W7        Write the active profile to stored profile 7

      &W8        Write the active profile to stored profile 8

      &W9        Write the active profile to stored profile E

                           SECONDARY DIAL NUMBER

  Type:             Configuration

  Format:           AT [cmds] &Zn [cmds]

  Description:      Sets the secondary dial number for Async to Sync
                    Multi-Link PPP mode

                          STORE TELEPHONE NUMBER

  Type:                Configuration

  Format:              AT [cmds] &Zn=x

  Description:         Writes selected saved telephone numbers into the
                       non-volatile memory at location n

                          Extended AT Command Set

                          BEARER CHANNEL PROTOCOL

  Type:          Configuration

  Format:        AT [cmds] !Z=n

  Description:   Select bearer channel protocol

    Command                              Function

      n=05       V.120

      n=09       Asynchronous to synchronous PPP conversion

                           BEARER CHANNEL SPEED

  Type:          Configuration

  Format:        AT [cmds] !Q=n

  Description:   Sets B-channel speed

    Command                              Function

      n=0        Sets B-channel speed to 64Kbps

      n=4        Sets B-channel speed to 56Kbps

                          ISDN D-CHANNEL PROTOCOL

  Type:              Configuration

  Format:            AT [cmds] !Cn=x(SPID #)

  Description:       Sets service profile ID and switches selection

            Note:             SPID numbers can include up to 20
                              characters.

      Command                              Function

       C0=00         Sets ISDN D-channel protocol (AT&T 5ESS custom)

       C0=01         Sets ISDN D-channel protocol (Northern Telecom
                     DMS-100 custom)

       C0=02         Sets ISDN D-channel protocol (ETSI Europe ISDN)

       C0=05         Sets ISDN D-channel protocol (US national ISDN-1)

         C2          Sets service profile ID 1

         C6          Sets service profile ID 0

                           ISDN DIRECTORY NUMBER

  Type:          Configuration

  Format:        AT [cmds] !Nn=x(ISDN phone #)

  Description:   Sets ISDN directory number

    Command                              Function

      !N0        Sets directory number 0 (DN 0)

      !N1        Sets directory number 1 (DN 1)

