XIRCOM,INC.

ET16BU

NIC Type      Token Ring
Transfer Rate 4/16Mbps
Data Bus      Parallel
Topology      Ring
Wiring Type   Shielded twisted pair

              Unshielded twisted pair
Boot ROM      Not available

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                       DIAGNOSTIC LED(S)

      LED           Status                Condition

      LED1            On          Data is being transmitted

      LED1           Off        Data is not being transmitted

      LED2            On          Network connection is good

      LED2           Off         Network connection is broken

      LED3            On        Card is transmitting at 16Mbps

      LED3           Off        Card is transmitting at 4Mbps

      LED4            On                   Power on

      LED4           Off                  Power off