OLICOM, INC. OC-2132 NIC Type Ethernet Transfer Rate 10Mbps Data Bus 16-bit MCA Topology Linear Bus/Star Wiring Type Unshielded twisted pair AUI Transceiver via DB-15 port Boot ROM Available [Image] DIAGNOSTIC LED(S) LED Color Status Condition LED1 Yellow On Transmitting constantly LED1 Yellow Blinking Data is being transmitted LED1 Yellow Off Data is not being transmitted LED2 Yellow On Receiving constantly LED2 Yellow Blinking Data is being received LED2 Yellow Off Data is not being received (check link integrity) LED3 Green On Network connection is good LED3 Green Off Network connection is broken LED4 Red On Reversed polarity (automatically corrected) LED4 Red Off Correct polarity