D-LINK DE-220PCAT NIC Type Ethernet Transfer Rate 10Mbps Data Bus 16-bit ISA Topology Linear Bus/Star Wiring Type Unshielded twisted pair AUI Transceiver via DB-15 port RG-58A/U 50ohm coaxial Boot ROM Available [Image] DIAGNOSTIC LED(S) LED Status Condition LED1 On Power on LED1 Blinking Data is being transmitted/received (UTP only) LED1 Off Power off LED2 On Network connection is good LED2 Blinking Data is being transmitted/received (UTP only) LED2 Off Network connection is broken LED3 On Collision detected on network LED3 Off No collision detected on network LED4 On Network connection is broken (BNC only) LED4 Blinking Card is transmitting for an extended time (jabber) LED4 Off Normal operation