The et90110sm302 10100 mbps single mode fiber media converter sc 30 km lets you extend a fast ethernet network 10100 over single mode fiber at distances up to 30 km 186 miles a cost effective solution for connecting a 10100 mbps ethernet 10100base t network to remote network segments over a 100base fx fiber backbone the media converter is designed to offer a durable and convenient ethernet to fiber solution with an all steel chassis and simple plug and play installation with mi