D-LINK ====== DE-250CAT 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 +------------------------------------------------------------+ | DIAGNOSTIC LED(S) | |------------------------------------------------------------| | LED | Color | Status | Condition | |------+--------+----------+---------------------------------| | LED1 | Green | On | Network connection is good (UTP | | | | | only) | |------+--------+----------+---------------------------------| | LED1 | Green | Off | Network connection is broken | | | | | (UTP only) | |------+--------+----------+---------------------------------| | 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 | +------------------------------------------------------------+