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       # 3COM CORPORATION
       
          ETHERLINK III (3C509-COMBO)
       
          NIC Type              Ethernet                                 
          Boot ROM              Available                                
          Network Transfer Rate 10Mbps                                   
          Topology              Linear Bus, Star                         
          Wire Type             Unshielded twisted pair                  
                                                                         
                                RG-58A/U 50ohm coaxial                   
                                                                         
                                AUI transceiver via DB-15 port           
          Data Bus              16-bit ISA                               
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                        CONNECTIONS                         |
          |------------------------------------------------------------|
          |         Function          | Label |    Function    | Label |
          |---------------------------+-------+----------------+-------|
          | AUI transceiver via DB-15 |  CN1  | RG-58A/U 50ohm |  CN3  |
          | port                      |       | connector      |       |
          |---------------------------+-------+----------------+-------|
          | UTP via RJ-45 connector   |  CN2  |                |       |
          +------------------------------------------------------------+