
DIGICOM SPA

SNT08/T

Card Type                    ISDN, Modem
Chip Set                     Unidentified
I/O Options                  Power, ISDN interface via RJ-45 connector,
                             RJ-11 analog port,

                             25-pin serial port
ISDN Rate                    64Kbps x 2
Maximum Modem Rate           33.6Kbps
Maximum Fax Rate             14.4Kbps

ISDN Modulation Protocol     V.110, V.120
Data Modulation Protocol     Bell 103J/212A,

                             ITU-T V.21, V.22, V.22bis,V.23, V.32,
                             V.32bis, V.34, V.FC
Fax Modulation Protocol      V.17, V.29, V.27ter
Error Correction/Compression MNP10, MNP5, V.42, V.42bis
Fax Class                    Class I
Data Bus                     External

[Image]

                                CONNECTIONS

        Function           Label             Function             Label

  Power                          CN1       Line out (RJ-11)         CN4

  25-pin serial port             CN2       Power switch             SW1

  ISDN interface (RJ-45          CN3
  connector)

                      USER CONFIGURABLE SETTINGS

                    Setting                      Label     Position

  Transmission channel in high impedence mode     U1         Open

  Transmit termination set to 100Ohm              U1        Closed

  Receive channel in high impedence mode          U2         Open

  Receive termination set to 100Ohm               U2        Closed

                         PORT INTERFACE SELECTION

     Setting        U13     U14     U15     U16     U17     U18      U19

     V.24/V.28      1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2   1 & 2
    interface

  V.35 interface    2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3   2 & 3

  Note: Pins designated are in the closed position

                          POWER ON CONFIGURATION

        Setting            DS1/1        DS1/2        DS1/3       DS1/4

      Unidentified          Off          Off          Off         Off

         Factory            Off          Off          On          Off
    configuration 0

         Factory             On          Off          On          Off
    configuration 1

         Factory            Off          On           On          Off
    configuration 2

         Factory             On          On           On          Off
    configuration 3

  Asynchronous V25bis       Off          Off          Off          On

   Synchronous V25bis       Off          Off          On           On

                             DIAGNOSTIC LED(S)

   LED        Color       Status                  Condition

   PWR        Green         On                   Power is on

   PWR        Green        Off                   Power is off

   TST         Red          On            Unit is conducting a test

   TST         Red       Blinking      Error detected during self test

   TST         Red         Off            Unit not conducting a test

   MDC         Red          On       DTE interface connected to modem/fax

   MDC         Red         Off        DTE interface connected to the TA

    B1         Red          On                B1 channel in use

    B1         Red         Off               B1 channel inactive

    B1         Red       Blinking              B1 channel busy

    B2         Red          On                B2 channel in use

    B2         Red         Off               B2 channel inactive

    B2         Red       Blinking              B2 channel busy

   DSR         Red          On            Terminal Adapter is ready

   DSR         Red         Off            Terminal Adapter not ready

   DTR         Red          On                Computer is ready

   DTR         Red         Off              Computer is not ready

    TD         Red          On            Modem is transmitting data

    TD         Red         Off          Modem is not transmitting data

   CTS         Red          On       CTS signal is high. TA ready to send
                                                     data

   CTS         Red         Off                CTS signal is low

    RD         Red          On             Modem is receiving data

    RD         Red         Off           Modem is not receiving data

   DCD         Red          On               Data carrier present

   DCD         Red         Off       Data carrier not present. Connection
                                               not established

              SUPPORTED COMMAND SET (DIGITAL)

                     Basic AT Commands

  AT, A/

  E, Q, V, W

  &C, &R, &Z

                        S Registers

  S3, S4, S12, S25, S26



  Note: See MHI Help File for full command documentation.

                      SUPPORTED COMMAND SET (ANALOG)

                             Basic AT Commands

  AT, A/

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

  &C, &M, &Q, &R, &T, &V, &W, &X, &Y, &Z

                           Extended AT commands

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

  %C, %E, %L

                                S Registers

  S0, S1, S2, S3, S4, S5, S6 ,S7, S8, S9, S10, S12, S18, S25, S26, S30,
  S32, S33, S95

                             Special commands

  +MS, )M

                             V.25bis commands

  CIC, CRN, CRS, DIC, PRN



  Note: See MHI Help File for full command documentation.

                     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 serial interface is connected to the
                         digital modem section

          $M1            Computer serial interface is connected to the
                         analog modem section

                    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           Asynchronous Mode           Synchronous Mode

         N0           If the DTE interface is    If the DTE interface is
                      equal or more than         equal or more than
                      38.4Kbps and S37=255,      115.2Kbps and S37=255,
                      the connection is active   the connection is active
                      at 38.4Kbps. Otherwise,    at 64Kbps in transparent
                      connection is              mode. Otherwise,
                      established at speed       connection is
                      selected by S37.           established at speed
                                                 selected by S37.

         N1           Line connection speed      Line connection speed
                      starts at 19.2Kbps and     starts at 48Kbps V.110
                      follows DTE interface.     and follows DTE
                                                 interface.

                            COMMUNICATIONS MODE

  Type:                  Configuration

  Format:                AT [cmds] &Mn [cmds]

  Description:           Selects communications mode options

        Command                                Mode

          &M0            Buffered asynchronous mode

          &M1            Asynchronous off-line command mode and
                         synchronous connect mode.

          &M2            Asynchronous off-line command mode. Modem
                         autodials first number in directory, then
                         synchronous connect mode.

          &M4            Direct mode (V.110)

                            COMMUNICATIONS MODE

  Type:                  Configuration

  Format:                AT [cmds] &Qn [cmds]

  Description:           Selects communications mode options

        Command                                Mode

          &Q0            Buffered asynchronous mode

          &Q1            Asynchronous off-line command mode and
                         synchronous connect mode

          &Q2            Asynchronous off-line command mode, Modem
                         autodials first number in directory, then
                         synchronous connect mode.

          &Q4            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 (0-19)

           DT            Call is switched to digital interface

           DP            Call is switched to analog interface

                          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:   Selects whether the device is on-hook or off-hook

    Command                              Function

       H0        TA 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=1       V.110

     %A2=2       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

                                COMMAND SET

  Type:          Configuration

  Format:        AT [cmds] %Vn [cmds]

  Description:   Defines the AT or V.25bis command set

    Command                              Function

      %V0        AT command set

      %V1        Asynchronous V.25bis command set

      %V3        Synchronous V.25bis HDLC command set

                                COMPRESSION

  Type:          Configuration

  Format:        AT [cmds] %Cn [cmds]

  Description:   Selects data compression

    Command                              Function

      %C0        Data compression disabled

      %C1        MNP5 enabled

                         FLASH EPROM CODE UPGRADE

  Type:          Configuration

  Format:        AT [cmds] %Fn [cmds]

  Description:   Initiates Flash EPROM code upgrade

                                   RESET

  Type:             Configuration

  Format:           AT [cmds] %Z1 [cmds]

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

                         SPECIAL COMMANDS (DIGITAL)

                          AUDIO/SPEECH ISDN CALL

  Type:          Configuration

  Format:        AT [cmds] *Bn [cmds]

  Description:   Selects type of ISDN analog call

    Command                              Function

      *B0        Speech mode enabled

      *B1        3.1KHz audio enabled

                                 CALLER ID

  Type:          Configuration

  Format:        AT [cmds] *In [cmds]

  Description:   Enables/disables originate call identification function

    Command                              Function

      *I0        Caller ID disabled

      *I1        Caller ID enabled

                          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

                                SUBADDRESS

  Type:          Configuration

  Format:        AT [cmds] *Sn [cmds]

  Description:   Identifies address of called modem

    Command                              Function

      *S0        Subaddress function disabled

      *S1        Subaddress function enabled

                          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.

                       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

     3, 2            0  V.25bis disabled

                    1   V.25bis enabled

                             CALL WAITING TIME

  Type:                  Register

  Format                 AT [cmds] S13=n [cmds]

  Range:                 0-255

  Unit:                  1sec

  Description:           Selects the duration that the buzzer/Test led
                         flashes when a new call is detected. A value of
                         0 disables call waiting time.

                              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=4          600bps

        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

       S37=51          48.0Kbps

       S37=53          64.OKbps

                             ESCAPE CHARACTER

  Type:          Register

  Format         AT [cmds] S2=n [cmds]

  Range:         0-127

  Unit:          ASCII

  Description:   Selects a character used for the escape sequence

            Note: A value greater than 127 will disable the escape
            sequence.

                               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= n [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)

                          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 (0-3)

           DT            Dial using digital modem section

           DW            Dialing resumed following dial tone detection

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

           D@            Wait for Quite Answer function enabled. Modem
                         waits until a "quiet answer," a ring-back signal
                         followed by five seconds of silence.

           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.

                          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 and 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

    Command                              Function

      &G0         Guard tone disabled

      &G2         Guard tone enabled

                              LINE MODULATION

  Type:            Configuration

  Format:          AT [cmds] Fn [cmds]

  Description:     Command supported only for compatibility. No function
                   is performed

                            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

                       EXTENDED AT COMMANDS (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 modem was previously
                    in V.42bis mode

                         V.25bis COMMANDS (ANALOG)

                            LOCAL CONFIGURATION

  Type:           Immediate

  Format:         CNLn

  Description:    Any AT command may be entered as a parameter of this
                  command

                      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



