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       # DIGICOM SPA
       
          SNT06
       
          Card Type              ISDN TA                                 
          Chip Set               Unidentified                            
          I/O Options            Power, ISDN interface via RJ-45         
                                 connector, 25-pin serial port (2)       
          ISDN Rate              128Kbps                                 
          Maximum Modem Rate     33.6Kbps                                
          Maximum Fax Rate       14.4Kbps                                
                                                                         
          ISDN Modulation        V.110, V.120                            
          Protocol               
          Data Modulation        ITU-T V.21, V.22, V.22bis,V.23, V.32,   
          Protocol               V.32bis, V.34, VFC                      
          Fax Modulation         V.17, V.29, V.27                        
          Protocol               
          Error                  MNP5, V.42, V.42bis                     
          Correction/Compression 
          Fax Class              Class I                                 
          Data Bus               External                                
       
 (IMG) IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |    Function    |  Label   |     Function     |    Label    |
          |------------------------------------------------------------|
          | Power                 |   CN1   | ISDN interface     | CN4 |
          |                       |         | (RJ-45 connector)  |     |
          |-----------------------+---------+--------------------+-----|
          | 25-pin serial port 1  |   CN2   | Power switch       | SW1 |
          |-----------------------+---------+--------------------+-----|
          | 25-pin serial port 2  |   CN3   |                    |     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 USER CONFIGURABLE SETTINGS                 |
          |------------------------------------------------------------|
          |                 Setting                 | Label | Position |
          |-----------------------------------------+-------+----------|
          | í Transmission channel in high          |  U1   |   Open   |
          | impedence mode                          |       |          |
          |-----------------------------------------+-------+----------|
          | Transmit termination set to 100Ohm      |  U1   |  Closed  |
          |-----------------------------------------+-------+----------|
          | í Receive channel in high impedence     |  U2   |   Open   |
          | mode                                    |       |          |
          |-----------------------------------------+-------+----------|
          | Receive termination set to 100Ohm       |  U2   |  Closed  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                  PORT INTERFACE SELECTION                  |
          |------------------------------------------------------------|
          |  Setting   | U13  | U14  | U15  | U16  | U17  | U18  | U19 |
          |------------+------+------+------+------+------+------+-----|
          |     í      | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  | 1 &  | 1 & |
          | V.24/V.28  |  2   |  2   |  2   |  2   |  2   |  2   |  2  |
          | interface  |      |      |      |      |      |      |     |
          |------------+------+------+------+------+------+------+-----|
          |    V.35    | 2 &  | 2 &  | 2 &  | 2 &  | 2 &  | 2 &  | 2 & |
          | interface  |  3   |  3   |  3   |  3   |  3   |  3   |  3  |
          |------------------------------------------------------------|
          | Note: Pins designated are in the closed position           |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                   POWER ON CONFIGURATION                   |
          |------------------------------------------------------------|
          |         Setting         | DS1/1  | DS1/2  | DS1/3  | DS1/4 |
          |-------------------------+--------+--------+--------+-------|
          |     í Unidentified      |  Off   |  Off   |  Off   |  Off  |
          |-------------------------+--------+--------+--------+-------|
          | Factory configuration 0 |  Off   |  Off   |   On   |  Off  |
          |-------------------------+--------+--------+--------+-------|
          | Factory configuration 1 |   On   |  Off   |   On   |  Off  |
          |-------------------------+--------+--------+--------+-------|
          | Factory configuration 2 |  Off   |   On   |   On   |  Off  |
          |-------------------------+--------+--------+--------+-------|
          | Factory configuration 3 |   On   |   On   |   On   |  Off  |
          |-------------------------+--------+--------+--------+-------|
          |   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    |
          |------+--------+----------+---------------------------------|
          |  EC  |  Red   |    On    | Error correction enabled/active |
          |------+--------+----------+---------------------------------|
          |  EC  |  Red   |   Off    |        Error correction         |
          |      |        |          |        disabled/inactive        |
          |------+--------+----------+---------------------------------|
          |  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    |
          |------------------------------------------------------------|
          | Note: One set of interface LEDs indicate port 1 activity,  |
          | the other set indicates port 2 activity.                   |
          +------------------------------------------------------------+
       
          +---------------------------------------------------------+
          |                  SUPPORTED COMMAND SET                  |
          |---------------------------------------------------------|
          |                    Basic AT Commands                    |
          |---------------------------------------------------------|
          | AT, A/                                                  |
          |---------------------------------------------------------|
          | A, E, Q, V, W                                           |
          |---------------------------------------------------------|
          | &C, &R, &Z                                              |
          |---------------------------------------------------------|
          |                  Extended AT commands                   |
          |---------------------------------------------------------|
          | %C, %E, %L                                              |
          |---------------------------------------------------------|
          |                       S Registers                       |
          |---------------------------------------------------------|
          | S3, S4, S12, S25, S26                                   |
          |---------------------------------------------------------|
          |                    V.25bis commands                     |
          |---------------------------------------------------------|
          | CIC, CRN, CRS, DIC, PRN                                 |
          |---------------------------------------------------------|
          |                                                         |
          |---------------------------------------------------------|
          | Note: See MHI Help File for full command documentation. |
          +---------------------------------------------------------+
       
               For a full command summary, see DIGICOM SPA, SNT06/1