ADDTRON TECHNOLOGY COMPANY, LTD. EP-300T NIC Type Ethernet Transfer Rate 10Mbps Data Bus 16-bit ISA Topology Star Wiring Type Unshielded twisted pair Boot ROM Not available [Image] DIAGNOSTIC LED(S) LED Color Status Condition LED1 Yellow On Card is transmitting for an extended period (Jabber) LED1 Yellow Off Normal operation LED2 Yellow On Collision detected on network LED2 Yellow Off No collision detected on network LED3 Green On Power on LED3 Green Off Power off LED3 Green Blinking Data is transmitting LED4 Green On Link is good LED4 Green Off Link is broken LED4 Green Blinking Data is being received