D-LINK DE-250CT NIC Type Ethernet Transfer Rate 10Mbps Data Bus 16-bit ISA Topology Linear Bus/Star Wiring Type Unshielded twisted pair RG-58A/U 50ohm coaxial Boot ROM Available [Image] DIAGNOSTIC LED(S) LED Color Status Condition LED1 Green On Network connection is good (UTP only) LED1 Green Off Network connection is broken (UTP only) LED2 Green Blinking Data is being transmitted/received LED2 Green Off Data is not being transmitted/received LED3 Yellow On Collision detected on network LED3 Yellow Off No collision detected on network