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       # 3COM CORPORATION
       
          ETHERLINK/NB (3C543)
       
          NIC Type               Ethernet                                
          Maximum Onboard Memory 64KB DRAM                               
          Network Transfer Rate  10Mbps                                  
          Data Bus               NuBus                                   
          Topology               Linear Bus                              
          Wire Type              DIX transceiver via DB-15 port          
                                                                         
                                 RG-58A/U 50ohm coaxial                  
          Boot ROM               Not available                           
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |      Function       | Label |       Function       | Label |
          |---------------------+-------+----------------------+-------|
          | DIX transceiver via |  CN1  | RG-58A/U 50ohm       |  CN2  |
          | DB-15 port          |       | coaxial connector    |       |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |            Setting             |            P4             |
          |--------------------------------+---------------------------|
          |     RG-58A/U 50ohm coaxial     |     Pins 2 & 3 closed     |
          |--------------------------------+---------------------------|
          | DIX transceiver via DB-15 port |     Pins 1 & 2 closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |      The LED indicates which cable type is selected. Its   |
          |      exact indications are unidentified.                   |
          +------------------------------------------------------------+