While the majority of 1Gb environments will use RJ-45, there are some instances where cable paths need to go longer distances. SFP SX transceivers support distances up to 550 meters and SFP LX transceivers support distances up to 10 kilometers.
SFP LX 1Gb
While the majority of 1Gb environments will use RJ-45, there are some instances where cable paths need to go longer distances. SFP SX transceivers support distances up to 550 meters and SFP LX transceivers support distances up to 10 kilometers.
IBM SFP LX 1Gb, Fiber optic, 1000 Mbit/s, SFP, LX, 10000 m
IBM SFP LX 1Gb. SFP transceiver type: Fiber optic, Maximum data transfer rate: 1000 Mbit/s, Interface type: SFP