D-LINK DE-220CT 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 Power on LED1 Green Blinking Data is being transmitted/received (UTP only) LED1 Green Off Power off LED2 Green On Network connection is good LED2 Green Blinking Data is being transmitted/received (UTP only) LED2 Green Off Network connection is broken LED3 Yellow On Collision detected on network LED3 Yellow Off No collision detected on network LED4 Yellow On Network connection is broken (BNC only) LED4 Yellow Blinking Card is transmitting for an extended time (jabber) LED4 Yellow Off Normal operation