D-LINK DE-510CAT NIC Type Ethernet Transfer Rate 10Mbps Data Bus VESA 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 Color Status Condition LED1 Green On Power on LED1 Green Blinking Data is being transmitted LED1 Green Off Power off LED2 Green On Network connection is good (UTP only) LED2 Green Blinking Data is being received LED2 Green Off Network connection is broken (UTP only) LED3 Yellow On Collision detected on network LED3 Yellow Off No collision detected on network LED4 Yellow Blinking Card is transmitting for an extended time (jabber) LED4 Yellow Off Normal operation