3COM CORPORATION ETHERLINK III (3C509B-TPC) Card Type Network Interface Card NIC Type Ethernet Boot ROM Not available Network Transfer Rate 10/100 Mbps Topology Star, linear bus Wiring Type RJ-45 Unshielded twisted pair RG-58A/U 50ohm coaxial Data Bus 16-bit ISA [Image] CONNECTIONS Function Label Function Label RJ45 connector CN1 BNC connector CN2 DIAGNOSTIC LED(S) LED Color Status Condition LED1 Unidentified On Network connection is good LED1 Unidentified Blinking Polarity reversed LED1 Unidentified Off Network connection is broken