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

CONNECTIONS

Function

Label

Function

Label

AUI transceiver via DB-15 port

CN1

UTP via RJ-45 connector

CN2

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.