INTERPHASE CORPORATION

5511 PCI FDDI ADAPTER (DAS SC DUPLEX PB05511-002)

Card Type              Network Interface Card
NIC Type               FDDI
Maximum Onboard Memory Unidentified
Boot ROM               Unidentified
Network Transfer Rate  100Mbps
Topology               Ring, Peer-Peer
Wiring Type            Fiber optic cable
Data Bus               32-bit PCI

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                                CONNECTIONS

        Function            Label            Function            Label

  Fiber optic connector      CN1       Fiber optic connector      CN3
  - SC (Port A)                        - SC (Port B)

  6-pin DIN (Optical         CN2
  Bypass Switch)

             DIAGNOSTIC LED(S)

      LED1               Condition

       On         Network connection good

      Off         Network connection broken

                        DIAGNOSTIC LED(S) CONTINUED

     LED2            LED3         LED4               Condition

      Off            Off           On           Onboard SMT processor
                                             diagnostics in progress or
                                                failure (adapter not
                                                   operational).

      On           Blinking       Off           Onboard SMT processor
                                                providing Common Boot
                                             interface to host system.

   Blinking          Off          Off           Onboard SMT processor
                                              providing Report Command
                                             interface to host system.

   Blinking           On          Off        Network connection enabled
                                            and Report Command interface
                                                    continuing.

  Note: When the 5511 is either powered up or reset, the SMT processor
  automatically performs a series of onboard diagnostics. If the
  diagnostics complete successfully, LED4 (Error LED) will go to Off. If
  the diagnostics complete unsuccessfully, LED4 will remain on indicating
  processor initialization failure, and the adapter will be
  inoperational.