The tfc 110s60 fiber converter works with the tfc 1600 chassis system or as a standalone unit this converter is a single mode sc type fiber converter spanning distances up to 60km 372 miles ports include 1 x 10100base tx rj 45 port and 1 x 100base fx fiber port sc type compliant with ieee 8023 10base t and ieee 8023u 100base tx 100base fx standards 1 x 10100base tx auto negotiation rj 45 port auto negotiation 10100mbps connection speed and halffull duplex mode on tx port auto