CABLETRON SYSTEMS, INC.

T3015

NIC Type      Token-Ring
Transfer Rate 4/16Mbps
Data Bus      16-bit MCA
Topology      Ring
Wiring Type   Unshielded twisted pair

              Shielded twisted pair (DB-9 port)
Boot ROM      Not available

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                       MODEL SELECT

            Model                        JP1

        PS/2 Model 50             Pins 1 & 2 closed

  PS/2 Model 70 or Model 80       Pins 2 & 3 closed

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                             DIAGNOSTIC LED(S)

     LED         Color          Status                Condition

    LED1         Yellow           On         Data is being transmitted or
                                                      received

    LED1         Yellow          Off        Data is not being transmitted
                                                     or received

    LED2         Green            On             Twisted pair network
                                                 connection is good

    LED2          Red             On             Twisted pair network
                                                connection is broken

    LED3         Green            On             Card is set to 4Mbps
                                                      operation

    LED4         Yellow           On            Card is set to 16Mbps
                                                      operation

  Note:LED2 is a two color LED. LED2 will light red when power is first
  applied to the card.