MODULAR CURCUIT TECHNOLOGY MCT-10BC 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 10Base-T network connection is good LED1 Green Off 10Base-T network connection is broken