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       # UNIDENTIFIED
       
          ETHERMAC (NUBUS)
       
          NIC Type:           Ethernet                                   
          Transfer Rate:      10Mbps                                     
          Data Bus:           32-Bit NuBus (Apple)                       
          Topology:           Linear Bus                                 
                                                                         
                              Star                                       
          Wiring Type         AUI transceiver via DB-15 port             
                                                                         
                              RG-58A/U 50ohm coaxial                     
                                                                         
                              Shielded/Unshielded twisted pair           
          Boot ROM            Not Available                              
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |               Type               |           J5            |
          |----------------------------------+-------------------------|
          |  AUI transceiver via DB-15 port  |      All pins open      |
          |----------------------------------+-------------------------|
          |      RG-58A/U 50ohm coaxial      |    Pins 2 & 3 closed    |
          |----------------------------------+-------------------------|
          | Shielded/Unshielded twisted pair |    Pins 1 & 2 closed    |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                      10BASE-T STATUS                       |
          |------------------------------------------------------------|
          |             Setting             |            J6            |
          |---------------------------------+--------------------------|
          |      10BASE-T hub selected      |    Pins 2 & 3 closed     |
          |---------------------------------+--------------------------|
          |    Pre-10BASE-T hub selected    |    Pins 1 & 2 closed     |
          |------------------------------------------------------------|
          | Note:J6 only applies when twisted pair cable is being      |
          | used.                                                      |
          +------------------------------------------------------------+