
3COM

ETHERLINK III 3C509B-TP

NIC Type              Ethernet
Network Transfer Rate 10Mbps
Data Bus              16-bit ISA
Topology              Linear Bus, Star
Wiring Type           Unshielded twisted pair

                      AUI transceiver via DB-15 port
Boot ROM              Available (location unidentified)

[Image]

                                CONNECTIONS

         Function            Label            Function             Label

  Unshielded twisted pair     CN1     AUI transceiver via DB-15     CN2
  port                                port

                             DIAGNOSTIC LED(S)

      LED            Status                      Condition

     LED1              On                Network connection is good

     LED1           Blinking             Cable Polarity is reversed

     LED1              Off              Network connection is broken

            Note: When you first install the adapter and power up the
            computer, the LED lights, but the network connection is not
            active. For the network connection to be good you need to run
            the Group 3 test or have loaded the network drivers.

