
DIGICOM SPA

SNT12

Card Type                    ISDN, Modem
Chip Set                     Unidentified
I/O Options                  ISDN interface via RJ-45 connector, reset
ISDN Rate                    128Kbps
Maximum Modem Rate           33.6Kbps
Maximum Fax Rate             14.4Kbps

ISDN Modulation Protocol     V.110, V.120, PPP
Data Modulation Protocol     ITU-T V.21, V.22, V.22bis,V.23, V.32,
                             V.32bis, V.34, VFC
Fax Modulation Protocol      V.17, V.29, V.27ter
Error Correction/Compression MNP5, V.42, V.42bis
Fax Class                    Class I
Data Bus                     16-bit ISA

[Image]

                                CONNECTIONS

         Function           Label             Function            Label

  ISDN interface (RJ-45           CN1       Reset                   P1
  connector)

                        USER CONFIGURABLE SETTINGS

                  Setting                     Label         Position

  Transmission channel in high impedence       U4       Pins 2 & 3 closed
  mode

  Transmit termination set to 100Ohm           U4       Pins 1 & 2 closed

  Receive channel in high impedence mode       U5       Pins 2 & 3 closed

  Receive termination set to 100Ohm            U5       Pins 1 & 2 closed

             ADDRESS SELECTION

    Setting        DS1/1          DS1/2

  COM1 (3F8h)       Off            Off

  COM2 (2F8h)       Off            On

  COM3 (3E8h)        On            Off

  COM4 (2E8h)        On            On

                            INTERRUPT SELECTION

          IRQ            DS1/3   DS1/4    DS1/5    DS1/6   DS1/7    DS1/8

         IRQ3             On      Off      Off     Off      Off     Off

         IRQ4            Off      On       Off     Off      Off     Off

         IRQ5            Off      Off      On      Off      Off     Off

         IRQ10           Off      Off      Off     Off      On      Off

         IRQ11           Off      Off      Off     Off      Off      On

              SUPPORTED COMMAND SET (DIGITAL)

                     Basic AT Commands

  AT, A/

  A, E, Q, V, W

  &C, &Z

                        S Registers

  S2, S3, S4, S12, S25



  Note: See MHI Help File for full command documentation.

                      SUPPORTED COMMAND SET (ANALOG)

                             Basic AT Commands

  AT, A/

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

  &C, &T, &V, &W, &Y, &Z

                           Extended AT commands

  \A, \B, \G, \K, \N

  %C, %E, %L

                                S Registers

  S0, S1, S2, S3, S4, S5, S6 ,S7, S8, S10, S12, S18, S25, S26, S30, S32,
  S33

                             Special commands

  +MS, )M

                             V.25bis commands

  CIC, CRN, CRS, DIC, PRN



  Note: See MHI Help File for full command documentation.



                    PROPRIETARY AT COMMAND SET (DIGITAL)

                            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                           Originate Mode

          N0             Connection established at speed specified by
                         register S37. If the DTE rate is 38.4Kbps or
                         higher, the speed is negotiated at 38.4Kbps

          N1             Connection established at speed of last
                         connection. If greater than 19.2Kbps, the
                         connection will be established at 19.2Kbps

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Qn [cmds]

  Description:   Selects communications mode options

    Command                                Mode

      &Q0        Buffered asynchronous mode

      &Q4        Direct mode (V.110)

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode options

    Command                                Mode

      &M0        Buffered asynchronous mode

      &M4        Direct mode (V.110)

                          CONFIGURATION PROFILES

  Type:                  Immediate

  Format:                AT [cmds] &V [cmds]

  Description:           Displays active and stored configuration
                         profiles

        Command                              Function

          &V0            Displays the active profile, the 0 and 1st user
                         configuration and the first four stored numbers

          &V1            Displays the 2nd and 3rd user configuration

          &V2            Displays every stored phone number

          &V3            Displays the supplementary services profile

                             DATA COMPRESSION

  Type:          Immediate

  Format:        AT [cmds] &Un

  Description:   Selects data compression

    Command                              Function

      &U0        Data compression disabled

      &U1        Error corrected data compression enabled (V.120)

                           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

                         DATA TERMINAL READY (DTR)

  Type:          Configuration

  Format:        AT [cmds] &Dn [cmds]

  Description:   Selects modem response to DTR

    Command                              Function

      &D0        DTR override

      &D1        DTR toggle causes online command mode

      &D2        Normal DTR operations

      &D3        Resets on receipt of DTR

                                   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

          DS=n           Dial stored telephone number n (0-7)

           DT            Call switched to digital interface

           DP            Call switched to analog interface

                          DIAL USING ANALOG MODEM

  Type:                 Configuration

  Format:               AT [cmds] Pn [cmds]

  Description:          When inserted in the dial string, modem makes the
                        call using the analog modem section

                         DIAL USING DIGITAL MODEM

  Type:                 Configuration

  Format:               AT [cmds] Tn [cmds]

  Description:          When inserted in the dial string, modem makes the
                        call using the digital modem section

                          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 active profile the factory profile 0

       &F1          Load active profile the factory profile 1

       &F2          Load active profile the factory profile 2

       &F3          Load active profile the factory profile 3

                               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. Modem does not
                         transmit XON/XOFF characters received from
                         computer to remote

          &K8            Unidirectional XON/XOFF flow control enabled

         &K12            XON/XOFF flow control enabled. Modem transmits
                         XON/XOFF characters received from computer to
                         remote

         &K16            V.110 XON/XOFF flow control enabled. Flow
                         control between local and remote modems only.
                         Flow control between modem and computer is
                         disabled.

         &K20            V.110 XON/XOFF flow control enabled.

                               HOOK CONTROL

  Type:          Immediate

  Format:        AT [cmds] Hn [cmds]

  Description:   Hangs up the TA from the ISDN network

    Command                              Function

       H0        Modem commanded to go on-hook (hang-up)

                                  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 with no retraining enabled

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports model

       I1        Reports ROM checksum

       I2        Tests and reports ROM checksum

       I3        Reports revision level

       I4        Display central office

                        RESTORE PROFILE ON POWER-UP

  Type:               Configuration

  Format:             AT [cmds] &Yn [cmds]

  Description:        Restores a selected profile into the active profile
                      on power-up (hard reset)

      Command                              Function

        &Y0           Restore profile 0 on power-up

        &Y1           Restore profile 1 on power-up

        &Y2           Restore profile 2 on power-up

        &Y3           Restore profile 3 on power-up

                     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           Result codes 0 - 4 enabled.

         X1           Extended result codes enabled.

                                SOFT RESET

  Type:                Immediate

  Format:              AT [cmds] Zn [cmds]

  Description:         Restores modem profiles previously saved in
                       non-volatile RAM using the &W command.

       Command                              Function

          Z0           Restore setting 0

          Z1           Restore setting 1

          Z2           Restore setting 2

          Z3           Restore setting 3

                           STORE ACTIVE PROFILE

  Type:            Configuration

  Format:          AT [cmds] &Wn [cmds]

  Description:     Writes the values for the active profile into the
                   non-volatile 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

                                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 B1 channel local digital loopback

                     EXTENDED AT COMMAND SET (DIGITAL)

                            B-CHANNEL PROTOCOL

  Type:          Configuration

  Format:        AT [cmds] %A2=n [cmds]

  Description:   Determines rate adaptation protocol on B-channel

    Command                              Function

     %A2=2       V.110

     %A2=3       V.120

                            B-CHANNEL SELECTION

  Type:          Configuration

  Format:        AT [cmds] %A3=n [cmds]

  Description:   Selects data channel

    Command                              Function

     %A3=2       B1 channel selected. If busy select B2 channel

     %A3=3       B1 channel selected. If busy initiate hang-up

     %A3=4       B2 channel selected. If busy select B1 channel

     %A3=5       B2 channel selected. If busy initiate hang-up

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] *In [cmds]

  Description:   Controls the Caller ID function

    Command                              Function

      *I0        Caller ID disabled

      *I1        Caller ID enabled

                                COMMAND SET

  Type:          Configuration

  Format:        AT [cmds] %Vn [cmds]

  Description:   Selects the command set

    Command                              Function

      %V0        AT command set

      %V1        Asynchronous V.25bis command set

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 enabled

                     DIGITAL OR ANALOG MODEM SELECTION

  Type:                  Configuration

  Format:                AT [cmds] $Mn [cmds]

  Description:           Selects digital or analog for preliminary setup

  Note:                  If the call is being made using the digital
                         section, the remote user is ISDN. If the call is
                         being made using the analog section, the remote
                         user is PSTN

        Command                              Function

          $M0            Computer interface is switched to the digital
                         modem section

          $M1            Computer interface is witched to the analog
                         modem section

                          MULTISUBSCRIBER NUMBER

  Type:                  Configuration

  Format:                AT [cmds] *Mn [cmds]

  Description:           Permits the association of a maximum of 8
                         consecutive numbers to a BRI access of the
                         national plan number

        Command                              Function

          *M0            MSN disabled

          *M1            MSN enabled

                            PROGRAMMING PROMPT

  Type:          Configuration

  Format:        AT [cmds] $Pn [cmds]

  Description:   Enables/disables programming prompt

    Command                              Function

      $P0        Interface prompt disabled

      $P1        Interface prompt enabled

                                   RESET

  Type:             Configuration

  Format:           AT [cmds] %Z1 [cmds]

  Description:      Master reset and load the configuration specified by
                    the &Y command

                          STORE CALLER ID NUMBER

  Type:                  Configuration

  Format:                AT [cmds] !N1=n [cmds]

  Description:           Stores telephone number n for the caller ID
                         function. !N1=? displays the stored telephone
                         number.

                       STORE MULTISUBSCRIBER NUMBER

  Type:                  Configuration

  Format:                AT [cmds] !N2=n [cmds]

  Description:           Stores own telephone number n for the MSN. !N2=?
                         displays the stored multisubscriber number.

                          STORE SUBADDRESS NUMBER

  Type:                  Configuration

  Format:                AT [cmds] !N3=n [cmds]

  Description:           Stores subaddress field with a maximum of four
                         numbers. !N3=? displays the stored subaddress
                         field.

                                SUBADDRESS

  Type:          Configuration

  Format:        AT [cmds] *Sn [cmds]

  Description:   Identifies address of called modem

    Command                              Function

      *S0        Subaddress function disabled

      *S1        Subaddress function enabled

                       S(status) REGISTERS (DIGITAL)

                          AUTO ANSWER RING COUNT

  Type:                Register

  Format               AT [cmds] S0=n [cmds]

  Range:               1-5

  Unit:                1 ring

  Description:         Sets the number of rings allowed before the modem
                       automatically goes off-hook

            Note: If S0=0, automatic-answering is disabled. The A command
            must be used to go off-hook.

                            BACKSPACE CHARACTER

  Type:          Register

  Format         AT [cmds] S5=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Selects a character used for backspace <BS>

                          BIT-MAPPED REGISTER S31

  Type:                  Register

  Format:           AT [cmds] S31=n [cmds]

  Range:            0-255

  Description:      Selects V.25bis command mode

     Bit        Value                       Function

     1,0            0   V.25bis asynchronous mode

    2 - 6           0   Reserved

      7              0  V.25bis disabled

                    1   V.25bis enabled

                              DCE LINE SPEED

  Type:                Register

  Format               AT [cmds] S37=n [cmds]

  Description:         Sets the maximum allowable data exchange rate
                       attempted during handshake process.

       Command                              Function

     S37=0, 255        Speed of last connection

        S37=5          1200bps

        S37=6          2400bps

       S37=15          4800bps

       S37=16          7200bps

       S37=17          9600bps

       S37=18          12.0Kbps

       S37=19          14.4Kbps

       S37=27          19.2Kbps

       S37=50          38.4Kbps (asynchronous only)

                               FLOW CONTROL

  Type:                 Register

  Format:              AT [cmds] S49=n [cmds]

  Description:         Displays the value of the &K command, which
                       specifies the DTE flow control setting

       Command                              Function

        S49=0           No DTE flow control

        S49=3           RTS/CTS flow control enabled

        S49=4           Bi-directional XON/XOFF flow control enabled

        S49=5           Transparent bi-directional XON/XOFF flow control
                        enabled

                            NO CARRIER TIME-OUT

  Type:                  Register

  Format                 AT [cmds] S7=n [cmds]

  Range:                 1-255

  Unit:                  1 second

  Description:           Maximum wait time the modem uses after dialing
                         to detect a carrier signal from the remote modem
                         for both originating and answering calls.

                    POINTER FOR CALL-BACK AND AUTOLOGON

  Type:                  Register

  Format                 AT [cmds] S34=n [cmds]

  Range:                 0-20, 255

  Unit:                  Unidentified

  Description:           Establishes the memory location accessed to
                         initiate autologon or callback procedures. 20
                         will cause the phonebook to scroll. 255 disables
                         function

                                RING COUNT

  Type:             Register

  Format            AT [cmds] S1 [cmds]

  Range:            1-5

  Unit:             1 ring

  Description:      Counts the number of ring-cycles the modem receives

            Note: S1 is reset to 0 if no ring is detected within an
            eight-second window.

                    PROPRIETARY AT COMMAND SET (ANALOG)

                            COMMUNICATIONS MODE

  Type:          Configuration

  Format:        AT [cmds] &Mn [cmds]

  Description:   Selects communications mode

    Command                                Mode

      &M0        Asynchronous mode

                            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.

      &Q4         Auto-synchronous mode

      &Q5         Error correction mode

      &Q6         Buffered asynchronous mode

                          COMMUNICATION PROTOCOLS

  Type:                  Configuration

  Format:                AT [cmds] Bn [cmds]

  Description:           Selects the communication protocol for data
                         calls

            Note: The B command allows the simultaneous selection of more
            than one suffix, enabling multiple protocols.

        Command                              Protocol

          B0             ITU-T V.22 at 300 or 1200bps

                           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

                         DATA TERMINAL READY (DTR)

  Type:          Configuration

  Format:        AT [cmds] &Dn [cmds]

  Description:   Selects modem response to DTR

    Command                              Function

      &D0        DTR override

      &D1        DTR toggle causes online command mode

      &D2        Normal DTR operations

      &D3        Resets on receipt of DTR

                                   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

           DP            Dial using analog modem section

          DS=n           Dial stored telephone number n

           DT            Dial using digital modem section

           DW            Dialing resumed following dial tone detection

           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 5 seconds of silence

           D,            Dialing paused for amount of time specified in
                         S8 register

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

                          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          Factory default profile 0

       &F1          Factory default profile 1

                               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

      &K5        Transparent XON/XOFF flow control enabled

      &K6        RTS/CTS & XON/XOFF flow control enabled

                                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

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports maximum line speed

       I1        Reports product type

       I2        Reports checksum firmware

       I3        Reports product name

       I4        Reports firmware release

       I5        Reports active Country Code

                              SPEAKER VOLUME

  Type:          Configuration

  Format:        AT [cmds] Ln [cmds]

  Description:   Controls speaker volume

    Command                              Function

       L1        Low volume setting

       L2        Medium volume setting

       L3        Highest volume setting

                      EXTENDED AT COMMAND SET (ANALOG)

                             ABORT KEY CONTROL

  Type:          Configuration

  Format:        AT [cmds] %Kn [cmds]

  Description:   Enable/disable abort key during dialing

    Command                              Function

      %K0        Abort key during dialing enabled

      %K1        abort key during dialing disabled

                                 DSR WINK

  Type:               Immediate

  Format:             AT [cmds] %S [cmds]

  Description:        Returns a value which indicates line signal quality

      Command                              Function

        %S0           Data set ready in accordance with &S

        %S1           When DTR is forced high, and the modem is goes
                      off-hook, DTR is off for 1sec.

                            LINE SIGNAL QUALITY

  Type:                  Immediate

  Format:                AT [cmds] %Q [cmds]

  Range:                 000-127

  Unit:                  Unidentified

  Description:           Returns a value which indicates line signal
                         quality. Values 000-007 indicate good line
                         quality. Values 008-127 indicate poor line
                         quality, disturbed signal

                                 MAKE BUSY

  Type:             Configuration

  Format:           AT [cmds] %Bn [cmds]

  Description:      Make busy (off-hook) if DTR lost

     Command                              Function

       %B0          Make busy disabled

       %B1          Make busy enabled if S25=0. When DTR is low, the
                    modem goes off-hook

                         SPECIAL COMMANDS (ANALOG)

                         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 highest possible speed

      *H1        Link will be negotiated at 1200bps

                          MNP - EXTENDED SERVICES

  Type:          Configuration

  Format:        AT [cmds] -Kn [cmds]

  Description:   Selects MNP extended services

    Command                              Function

      -K0        MNP extended services disabled

      -K1        MNP extended services enabled if V.42bis mode was
                 enabled

                         V.25bis COMMANDS (ANALOG)

                            LOCAL CONFIGURATION

  Type:                 Immediate

  Format:               CNLn

  Description:          Any AT command may be entered as a parameter of
                        this command; V.25bis escape sequence

                      REQUEST LIST OF STORED NUMBERS

  Type:          Immediate

  Format:        RLN

  Description:   Requests the list of phone numbers stored in memory

                        S(status) REGISTERS (ANALOG)

                         TRANSMISSION LEVEL - FAX

  Type:          Register

  Format:        AT [cmds] S92=n [cmds]

  Range:         3-15

  Unit:          -1 dBm

  Description:   Sets the signal level for transmission while in fax mode

                     TRANSMISSION LEVEL - LEASED-LINE

  Type           Register or Configuration

  Format         AT [cmds] S91=n [cmds]

  Range          3-15

  Unit           -1 dBm

  Description    Sets the signal level for transmission over leased-lines

                           EXTENDED RESULT CODES

  Type:                Register

  Format               AT [cmds] S95=n [cmds]

  Range:               0-255

  Unit:                Bit-mapped

  Description:         Works in combination with the Wn command to enable
                       extended result codes.

  Bit    Value          ATW0               ATW1               ATW2

   0           0   CONNECT result   PROTOCOL result      CONNECT result
                   code reports     codes enabled.       code reports
              1    DTE speed.       CONNECT result       line speed
                                    code reports DTE
                   CONNECT result   speed.               CONNECT result
                   code reports                          code reports
                   line speed       PROTOCOL result      line speed
                                    codes enabled.
                                    CONNECT result
                                    code reports line
                                    speed.

   1           0   Disabled         Disabled             Disabled

              1    CONNECT result   PROTOCOL result      CONNECT result
                   code reports     codes enabled.       code reports
                   DTE speed.       CONNECT result       line speed. /ARQ
                   /ARQ added to    code reports DTE     added to CONNECT
                   CONNECT result   speed. /ARQ added    result code.
                   code.            to CONNECT result
                                    code.

   2           0   Disabled         Disabled             Disabled

              1    CARRIER result   CARRIER result       CARRIER result
                   codes enabled.   codes enabled.       codes enabled.
                   CONNECT result   PROTOCOL result      CONNECT result
                   code reports     codes enabled.       code reports
                   DTE speed.       CONNECT result       line speed.
                                    code reports DTE
                                    speed.

   3           0   Disabled         Disabled             Disabled

              1    PROTOCOL         PROTOCOL result      PROTOCOL result
                   result codes     codes enabled.       codes enabled.
                   enabled.         CONNECT result       CONNECT result
                   CONNECT result   code reports DTE     code reports
                   code reports     speed.               line speed.
                   DTE speed.

   4          0    Not used.        Not used.            Not used.

   5           0   Disabled         Disabled             Disabled

              1    COMPRESSION      PROTOCOL result      COMPRESSION
                   result codes     codes enabled.       result codes
                   enabled.         COMPRESSION          enabled. CONNECT
                   CONNECT result   result codes         result code
                   code reports     enabled. CONNECT     reports line
                   DTE speed.       result code          speed.
                                    reports DTE
                                    speed.

