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       # BOCA RESEARCH, INC.
       
          BOCAMODEM V.34 DATA/FAX (MV.34E)
       
          Modem Type               Data (synchronous/asynchronous)/Fax   
          Maximum Data Rate        28.8Kbps                              
          Maximum Fax Rate         14.4Kbps                              
          Data Bus                 External                              
          Fax Class                Class I & II                          
          Data Modulation Protocol Bell 103A/212A                        
                                                                         
                                   ITU-T V.21, V.22, V.32, V.32bis, V.34 
                                                                         
                                   Rockwell V.FC                         
          Fax Modulation Protocol  ITU-T V.17, V.21CH2, V.27ter, V.29    
          Error                    MNP5, V.42, V.42bis                   
          Correction/Compression   
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Purpose       | Location |     Purpose     | Location |
          |--------------------+----------+-----------------+----------|
          | Line in            |   CN1    | DC power        |   CN4    |
          |--------------------+----------+-----------------+----------|
          | Line out           |   CN2    | RS-232/422      |   CN5    |
          |--------------------+----------+-----------------+----------|
          | Power switch       |   CN3    |                 |          |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          | LED | Color |  Status  |             Condition             |
          |-----+-------+----------+-----------------------------------|
          | TM  |  Red  | Blinking | Modem is in test mode and errors  |
          |     |       |          |             detected              |
          |-----+-------+----------+-----------------------------------|
          | TM  |  Red  |   Off    |     Modem is not in test mode     |
          |-----+-------+----------+-----------------------------------|
          | AA  |  Red  |    On    |        Auto-answer enabled        |
          |-----+-------+----------+-----------------------------------|
          | AA  |  Red  |   Off    |       Auto-answer disabled        |
          |-----+-------+----------+-----------------------------------|
          | HS  |  Red  |    On    | Modem is operating at 4800bps or  |
          |     |       |          |              faster               |
          |-----+-------+----------+-----------------------------------|
          | HS  |  Red  |   Off    | Modem is operating at slower than |
          |     |       |          |              4800bps              |
          |-----+-------+----------+-----------------------------------|
          | OH  |  Red  |    On    |         Modem is off-hook         |
          |-----+-------+----------+-----------------------------------|
          | OH  |  Red  |   Off    |         Modem is on-hook          |
          |-----+-------+----------+-----------------------------------|
          | SD  |  Red  | Blinking |    Modem is transmitting data     |
          |-----+-------+----------+-----------------------------------|
          | SD  |  Red  |   Off    |  Modem is not transmitting data   |
          |-----+-------+----------+-----------------------------------|
          | RD  |  Red  | Blinking |      Modem is receiving data      |
          |-----+-------+----------+-----------------------------------|
          | RD  |  Red  |   Off    |    Modem is not receiving data    |
          |-----+-------+----------+-----------------------------------|
          | TR  |  Red  |    On    |        DTR signal is high         |
          |-----+-------+----------+-----------------------------------|
          | TR  |  Red  |   Off    |         DTR signal is low         |
          |-----+-------+----------+-----------------------------------|
          | CD  |  Red  |    On    |      Carrier signal detected      |
          |-----+-------+----------+-----------------------------------|
          | CD  |  Red  |   Off    |    Carrier signal not detected    |
          +------------------------------------------------------------+
       
                            Proprietary AT Command Set
       
                  See document V1778 for a full command summary.