CABLETRON SYSTEMS, INC.

E3020/-X (Coaxial)

NIC Type      Ethernet
Transfer Rate 10Mbps
Data Bus      16/32-bit MCA
Topology      Star

              Linear Bus
Wiring Type   RG-58A/U 50ohm coaxial

              AUI transceiver via DB-15 port
Boot ROM      Not Available

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                                CABLE TYPE

              Type                   Switch PSS               JP2

  »    RG-58A/U 50ohm coaxial            On            Pins 2 & 3 Closed

         AUI transceiver via            Off            Pins 1 & 2 Closed
             DB-15 port

  Note:JP2 is used to enabled the DC converter on the card to supply
  power to coaxial networks.

                      SIGNAL QUALITY ERROR (SQE) TEST

                 Setting                            Switch SQE

  »               Disabled                              Off

                   Enabled                              On

  Note:Signal Quality Error (SQE) is a test of the collision circuitry
  and path.

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                             DIAGNOSTIC LED(S)

    LED          Color         Status                Condition

     1           Green       On/Blinking     Data is being transmitted

     1           Green          Off        Data is not being transmitted

     2            Red        On/Blinking   Collision detected on network

     2            Red           Off               Normal operation

     3          Yellow       On/Blinking       Data is being received

     3          Yellow          Off          Data is not being received

     4           Green           On           Card is receiving power

     4           Green          Off         Card is not receiving power