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       # TIARA COMPUTER SYSTEMS, INC.
       
          LanCard/E * MC
       
          NIC Type         Ethernet                                      
          Transfer Rate    10Mbps                                        
          Data Bus         16-bit MCA                                    
          Topology         Linear Bus                                    
          Wiring Type      RG-58A/U 50ohm coaxial                        
                                                                         
                           AUI transceiver via DB-15 port                
          Boot ROM         Available                                     
       
   IMG IMG 1
          
       
          +------------------------------------------------------------+
          |                         CABLE TYPE                         |
          |------------------------------------------------------------|
          |              Type              |            JP1            |
          |--------------------------------+---------------------------|
          |     RG-58A/U 50ohm coaxial     |     Pins 1 & 2 closed     |
          |--------------------------------+---------------------------|
          | AUI transceiver via DB-15 port |     Pins 2 & 3 closed     |
          +------------------------------------------------------------+
       
          +------------------------------------------------------------+
          |                        CABLE LENGTH                        |
          |------------------------------------------------------------|
          |                Setting                 |        JP2        |
          |----------------------------------------+-------------------|
          | Long cable segment mode (100 nodes on  | Pins 1 & 2 closed |
          |        a single 984 foot cable)        |                   |
          |----------------------------------------+-------------------|
          | Short cable segment mode (30 nodes on  | Pins 2 & 3 closed |
          |        a single 607 foot cable)        |                   |
          +------------------------------------------------------------+
       
   IMG IMG 2
          
       
          +------------------------------------------------------------+
          |                     DIAGNOSTIC LED(S)                      |
          |------------------------------------------------------------|
          |   LED   |   Status   |              Condition              |
          |---------+------------+-------------------------------------|
          |    1    |     On     |      Data is being transmitted      |
          |---------+------------+-------------------------------------|
          |    1    |    Off     |    Data is not being transmitted    |
          |---------+------------+-------------------------------------|
          |    2    |     On     |              Power on               |
          |---------+------------+-------------------------------------|
          |    2    |    Off     |              Power Off              |
          |---------+------------+-------------------------------------|
          |    3    |     On     |       Data is being received        |
          |---------+------------+-------------------------------------|
          |    3    |    Off     |     Data is not being received      |
          |---------+------------+-------------------------------------|
          |    4    |     On     |  Collision is detected on network   |
          |---------+------------+-------------------------------------|
          |    4    |    Off     | No collision is detected on network |
          +------------------------------------------------------------+