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       # QUATECH, INC.
       
          SMARTMUX ARI-12G
       
          Category        Analog daughter card                           
          Chipset         Unidentified                                   
          Controller      
          I /O Options    Analog to digital/digital to analog conversion 
          Supported       I/O                                            
          Maximum Onboard N/A                                            
          Memory          
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |              ANALOG TO DIGITAL CONVERTER MODE              |
          |------------------------------------------------------------|
          |          Setting           |              J1               |
          |----------------------------+-------------------------------|
          | » |        Bipolar         |       Pins 1 & 2 closed       |
          |---+------------------------+-------------------------------|
          |   |        Unipolar        |       Pins 2 & 3 closed       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |              DIGITAL TO ANALOG CONVERTER MODE              |
          |------------------------------------------------------------|
          |    Setting     |     J2/jumper A     |     J2/jumper B     |
          |----------------+---------------------+---------------------|
          | » |  Bipolar   |  Pins 1 & 2 closed  |  Pins 1 & 2 closed  |
          |---+------------+---------------------+---------------------|
          |   |  Enabled   |  Pins 2 & 3 closed  |  Pins 2 & 3 closed  |
          +------------------------------------------------------------+