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       # HAYES MICROCOMPUTER PRODUCTS, INC.
       
          MODEM 2400B
       
          Modem Type               Data (synchronous/asynchronous)       
          Maximum Data Rate        2400bps                               
          Data Bus                 8-bit ISA                             
          Data Modulation Protocol Bell 103A/212A                        
                                                                         
                                   ITU-T V.22, V.22bis                   
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |     Purpose      | Location |      Purpose      | Location |
          |------------------+----------+-------------------+----------|
          | Line in          |   CN1    | Line out          |   CN2    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                 BASE I/O ADDRESS SELECTION                 |
          |------------------------------------------------------------|
          |      Address       |       SW1/1       |       SW1/2       |
          |--------------------+-------------------+-------------------|
          |       COM1:        |        Off        |        Off        |
          |--------------------+-------------------+-------------------|
          |       COM2:        |        Off        |        On         |
          |--------------------+-------------------+-------------------|
          |       COM3:        |        On         |        Off        |
          |--------------------+-------------------+-------------------|
          |       COM4:        |        On         |        On         |
          +------------------------------------------------------------+