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       # ALPHA TELECOM, INC.
       
          SUPER NT1
       
          Card Type         Network Terminator                           
          Chip Set          Unidentified                                 
          I/O Options       Power, telephone line via RJ-11 (2), ISDN    
                            S/T interface via RJ-45 (2),                 
                                                                         
                            ISDN BRI U interface via RJ-45 or RJ-11      
          BRI Transfer Rate 64Kbps x 2                                   
          T1 Transfer Rate  1.44Mbps                                     
          Frame Type        AMI, 2B1Q                                    
          Data Bus          External                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Function     | Label |        Function         | Label |
          |------------------+-------+-------------------------+-------|
          | Power Jack       |  CN1  | ISDN S/T interface via  |  CN4  |
          |                  |       | RJ-45 connector         |       |
          |------------------+-------+-------------------------+-------|
          | Telephone line 1 |  CN2  | ISDN S/T interface via  |  CN5  |
          |                  |       | RJ-45 connector         |       |
          |------------------+-------+-------------------------+-------|
          | Telephone line 2 |  CN3  | ISDN BRI U interface    |  CN6  |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED  |  Color   |  Status  |           Condition           |
          |------+----------+----------+-------------------------------|
          | PWR  |  Green   |    On    |          Power is on          |
          |------+----------+----------+-------------------------------|
          | PWR  |  Green   |   Off    |         Power is off          |
          |------+----------+----------+-------------------------------|
          | BATT |    Red   |    On    |  Backup battery is charging   |
          |------+----------+----------+-------------------------------|
          | BATT |    Red   |   Off    |      Battery is charged       |
          |------+----------+----------+-------------------------------|
          | ERR  |    Red   |    On    |  ISDN network connection is   |
          |      |          |          |            broken             |
          |------+----------+----------+-------------------------------|
          | ERR  |    Red   | Blinking |     Synchronization error     |
          |      |          |          |    occurring on ISDN line     |
          |------+----------+----------+-------------------------------|
          | ERR  |    Red   |   Off    |    Line error not detected    |
          |------+----------+----------+-------------------------------|
          | LPBK |   Yellow |    On    |    Phone company initiated    |
          |      |          |          | loopback test is in progress  |
          |------+----------+----------+-------------------------------|
          | LPBK |   Yellow |   Off    | Loopback test not in progress |
          |------+----------+----------+-------------------------------|
          | TEL1 |  Green   |    On    |  Telephone line 1 is active   |
          |------+----------+----------+-------------------------------|
          | TEL1 |  Green   |   Off    | Telephone line 1 is inactive  |
          |------+----------+----------+-------------------------------|
          | TEL2 |  Green   |    On    |  Telephone line 2 is active   |
          |------+----------+----------+-------------------------------|
          | TEL2 |  Green   |   Off    | Telephone line 2 is inactive  |
          +------------------------------------------------------------+