3COM CORPORATION

ETHERLINK III (3C509-TP)

NIC Type              Ethernet
Boot ROM              Available
Network Transfer Rate 10Mbps
Topology              Linear Bus, Star
Wire Type             Unshielded twisted pair

                      AUI transceiver via DB-15 port
Data Bus              16-bit ISA

[Image]

                                CONNECTIONS

          Function             Label           Function            Label

  AUI transceiver via DB-15     CN1     UTP via RJ-45 connector     CN2
  port

                             DIAGNOSTIC LED(S)

     LED         Color         Status                 Condition

    LED1         Green           On           The link beat is working.

    LED1         Green           Off          The link beat has not been
                                              established or there is a
                                                 connection problem.

    LED1         Green        Blinking          Polarity is reversed.

  Note: For the link beat to be active the Group 3 test must have been
  run or the network drivers loaded.