... different twisted pair and fiber optic transmission media conversion, relay 10/100Base-TX and 100Base-FX in two different network segments ... , it boasts long-distance(as far as 120KM), high-speed(10\100Mbps), high bandwidth and so on perfect quality, especially, it ... , IEEE802.3u, 100Base-TX, 100Base-FX, IEEE802.3Z, 1000Base-t Ethernet Standard 2. Support full-duplex and half-duplex transmission mode ...