D-LINK DE-250C NIC Type Ethernet Transfer Rate 10Mbps Data Bus 16-bit ISA Topology Linear Bus Wiring Type RG-58A/U 50ohm coaxial Boot ROM Available [Image] DIAGNOSTIC LED(S) LED Color Status Condition LED1 Green On Power on LED1 Green Off Power off 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 Note: LED3 continuously on indicates a bad cable connection