
ELSA, INC.

TANGO 2000

Card Type                    ISDN TA
Chip Set                     Unidentified
I/O Options                  Power connector, power switch, serial port,
                             RJ-14 ports (2),

                             ISDN interface (RJ-45)
ISDN Data Rate               128Kbps
ISDN Modulation Protocol     V.120, X.75, PPP
Error Correction/Compression MNP5, V.42bis
Data Bus                     External

[Image]

                                             CONNECTIONS

                 Function                   Label                  Function                   Label

  AC power connector                         CN1    Analog terminal interface (RJ-14           CN4
                                                    connector)

  Serial port (8-pin mini-DIN)               CN2    ISDN interface (RJ-45 connector)           CN5

  Analog terminal interface (RJ-14           CN3    Power switch                               SW1
  connector)

                             DIAGNOSTIC LED(S)

   LED          Color          Status                Condition

   STS          Green            On              ISDN link is good

   STS          Green         Blinking        ISDN link negotiation in
                                                     progress

   STS          Green           Off             ISDN link is broken

   LNE          Yellow           On       Connection is being established

   LNE          Yellow        Blinking     Incoming call is received, but
                               (slow)         incompatible with unit

   LNE          Yellow        Blinking    Incoming call not yet accepted
                               (fast)

   LNE          Yellow          Off            Connection is broken

   a/b1      Unidentified        On       Analog terminal unit has picked
                                                   up on port 1

   a/b1      Unidentified       Off         Analog terminal unit has not
                                                picked up on port 1

   a/b2      Unidentified        On       Analog terminal unit has picked
                                                   up on port 2

   a/b2      Unidentified       Off         Analog terminal unit has not
                                                picked up on port 2

    TX       Unidentified        On        Device is receiving data from
                                                   remote or DTE

    TX       Unidentified       Off         Device is not receiving data
                                                from remote or DTE

    RX       Unidentified        On        Device is transmitting data to
                                                   remote or DTE

    RX       Unidentified       Off       Device not transmitting data to
                                                   remote or DTE

   DTR       Unidentified        On         Terminal/computer ready for
                                                     operation

       DTR   Unidentified       Off       Terminal/computer not ready for
                                                     operation

   RTS       Unidentified        On          Sending device is enabled

   RTS       Unidentified       Off         Sending device is disabled

   CTS       Unidentified        On          Device ready to send data

   CTS       Unidentified       Off        Device not ready to send data

   DCD           Red             On       Network connection established

   DCD          Green            On         Error correction connection
                                                    established

                   SUPPORTED COMMAND SET

                     Basic AT Commands

  AT

  A, E, V

  &C, &F, &V

                   Extended AT Commands

  \T, \X



  Note: See MHI Help File for full command documentation.

                         Proprietary AT Command Set

                                     DATA TERMINAL READY (DTR)

  Type:              Configuration

  Format:            AT [cmds] &Dn [cmds]

  Description:       Selects modem response to DTR

      Command                                            Mode

        &D0           Ignore transition of DTR status

        &D1           Switch to command phase if DTR is off

        &D2           Abort connection if DTR is off

        &D3           Abort connection and reinitialize

                                   DIAL

  Type:           Immediate

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

  Description:    Dials telephone number according to any modifiers
                  included in the string

                               HOOK CONTROL

  Type:          Immediate

  Format:        AT [cmds] Hn [cmds]

  Description:   Selects whether the modem is on-hook or off-hook

    Command                              Function

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

       H2        Call rejected

                                  ON-LINE

  Type:          Immediate

  Format:        AT [cmds] On [cmds]

  Description:   Transition to on-line status

                   REACTION TO BUSY LINE/CONNECT MESSAGE

  Type:               Configuration

  Format:             AT [cmds] Xn [cmds]

  Description:        Enables selection of tone detection and associated
                      result code format options

      Command                              Function

         X0           Busy line reported with NO CARRIER

         X1           Busy line reported with NO CARRIER

         X2           Busy line reported with NO CARRIER

         X3           Busy line reported with BUSY

         X4           Busy line reported with BUSY

                            REPORT INFORMATION

  Type:          Immediate

  Format:        AT [cmds] In [cmds]

  Description:   Displays information requested

    Command                              Function

       I0        Reports product code in nnn format

       I1        Reports ROM checksum

       I2        Tests and reports ROM checksum

       I3        Reports firmware version number and release date

       I4        Reports current parameter settings

       I5        Reports serial number

       I6        Display product name

       I7        Reports self-test result

       I9        Reports plug & play ID text

                        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)

                               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 from ISDN terminal adapter enabled

       Q1        Result code sending from ISDN terminal adapter disabled

       Q2        Result code sending in answer mode disabled

                                SOFT RESET

  Type:                Immediate

  Format:              AT [cmds] Zn [cmds]

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

                           STORE ACTIVE PROFILE

  Type:            Configuration

  Format:          AT [cmds] &Wn [cmds]

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

                          Extended AT Command Set

                            DIAL STORED NUMBERS

  Type:          Configuration

  Format:        AT [cmds] \Fn [cmds]

  Description:   Enables dialing of stored telephone numbers

                          DISPLAY CURRENT SETTING

  Type:          Immediate

  Format:        AT [cmds] \Sn [cmds]

  Description:   Displays current setting

                              DSR/CTS CONTROL

  Type:          Configuration

  Format:        AT [cmds] \Dn [cmds]

  Description:   Controls DSR and CTS lines

    Command                              Function

      \D0        DSR and CTS forced high

      \D1        DSR indicates B-channel switched through, CTS forced
                 high

      \D2        DSR forced high, CTS follows DCD

      \D3        DSR indicates B-channel switched through, CTS follows
                 DCD

                     ERROR CORRECTION CONNECT MESSAGES

  Type:             Configuration

  Format:           AT [cmds] \Vn [cmds]

  Description:      Determines the comprehensiveness of error correction
                    CONNECT messages

     Command                              Function

       \V0          Extended result codes disabled

       \V1          Identifies error corrected connections

       \V2          Identifies error corrected connections and types

       \V8          Comprehensive CONNECT messages

                             FIRMWARE VERSION

  Type:          Immediate

  Format:        AT [cmds] %V [cmds]

  Description:   Displays firmware version of the ISDN TA on the monitor

                             FLOW CONTROL TYPE

  Type:          Configuration

  Format:        AT [cmds] \Qn [cmds]

  Description:   Sets type of flow control used by TA

    Command                              Function

      \Q0        Flow control disabled

      \Q1        Bi-directional XON/XOFF flow control enabled

      \Q2        Unidirectional CTS flow control by DCE enabled

      \Q3        Bi-directional RTS/CTS flow control enabled

      \Q4        Unidirectional XON/XOFF flow control by DCE enabled

                               STORE NUMBERS

  Type:                 Configuration

  Format:               AT [cmds] \Pmn [cmds]

  Range:                m = 0-9

  Description:          Up to ten ISDN numbers can be stored in NVRAM.
                        Numbers n may have up to 36 characters

                              STORED NUMBERS

  Type:          Immediate

  Format:        AT [cmds] \F [cmds]

  Description:   Displays ISDN numbers stored with the /P or &Z commands

                              Special Commands

                           AUTOMATIC DTR DIALING

  Type:          Configuration

  Format:        AT [cmds] $Dn [cmds]

  Description:   Enables/disables automatic DTR dialing

    Command                              Function

      $D0        DTR dialing disabled

      $D1        DTR dialing enabled

                       B-CHANNEL PROTOCOL SELECTION

  Type:          Configuration

  Format:        AT [cmds] $IBP=[cmds]

  Description:   Sets the B-channel protocol

                            BLOCK DIAL NUMBERS

  Type:          Configuration

  Format:        AT [cmds] $INCB=[cmds]

  Description:   Blocks dial numbers

                            CHARGE INFORMATION

  Type:          Configuration

  Format:        AT [cmds] $ICI=[cmds]

  Description:   Controls charge information display and retention

     $ICI0        Display charge information

     $ICI?        Delete charge information

                        CONNECTION WITHOUT DIALING

  Type:          Configuration

  Format:        AT [cmds] $IAD=[cmds]

  Description:   Connection made without dialing

                             DATA BLOCK LENGTH

  Type:          Configuration

  Format:        AT [cmds] $IDBS=[cmds]

  Description:   Sets the D channel protocol

                            D-CHANNEL PROTOCOL

  Type:          Configuration

  Format:        AT [cmds] $IDP=[cmds]

  Description:   Sets the data block length

                      DISPLAY CURRENT ISDN PARAMETERS

  Type:          Configuration

  Format:        AT [cmds] $I(?)=[cmds]

  Description:   Display current ISDN parameters

                             DISPLAY EAZ DIGIT

  Type:                  Configuration

  Format:                AT [cmds] $IEAZ=[cmds]

  Description:           Sets the EAZ terminal selection digit.
                         Characters 0-9 will select digits 0-9, 10-19
                         will also select digits 0-9. 255 selects any
                         digit for incoming calls, 0 for outgoing calls

                      EXTENDED CONFIGURATION PROFILE

  Type:          Configuration

  Format:        AT [cmds] *Wn [cmds]

  Description:   Saves extended configuration profile

                              FIRMWARE UPLOAD

  Type:          Configuration

  Format:        AT [cmds] $UPX [cmds]

  Description:   Uploads firmware in flash ROM

                          INVALID ESCAPE MESSAGES

  Type:          Configuration

  Format:        AT [cmds] *Qn [cmds]

  Description:   Enables/disables CONNECT message after invalid escape

    Command                              Function

      *Q0        CONNECT message after invalid escape enabled

      *Q1        CONNECT message after invalid escape disabled

                               ISDN BIT RATE

  Type:          Configuration

  Format:        AT [cmds] $IBR=[cmds]

  Description:   Sets the ISDN bit rate

                               OUTGOING MSN

  Type:          Configuration

  Format:        AT [cmds] $ICLI=[cmds]

  Description:   Sets the outgoing multiple subscriber number

                SERVICE CHARACTERISTICS FOR INCOMING CALLS

  Type:          Configuration

  Format:        AT [cmds] $ISCI=[cmds]

  Description:   Sets service characteristics for incoming analog calls

                SERVICE CHARACTERISTICS FOR OUTGOING CALLS

  Type:          Configuration

  Format:        AT [cmds] $ISCO=[cmds]

  Description:   Sets service characteristics for outgoing analog calls

                         SET/DISPLAY ACCEPTED MSN

  Type:              Configuration

  Format:            AT [cmds] $IMSN=[cmds]

  Description:       Limits acceptance to incoming calls with target
                     multiple subscriber number

                    STORE DIAL NUMBERS FOR USER GROUPS

  Type:          Configuration

  Format:        AT [cmds] $ICLD=[cmds]

  Description:   Stores dial numbers for user groups

                         VERBOSE CONNECT MESSAGES

  Type:          Configuration

  Format:        AT [cmds] -Mn [cmds]

  Description:   Controls text of verbose CONNECT messages

    Command                              Function

      -M0        Verbose CONNECT messages dependant on AT\V

      -M1        Verbose CONNECT messages independent of AT\V





