This is a media converter that converts a 10/100Base-TX(RJ-45) to 100Base-X via an Open SFP Port. The Open SFP Port allows users to customize between the SX, LX, or BX connections. This media converter provides a cost effective conversion from 10/100Base-TX(RJ-45) to 100Base-X, while extending the network reach beyond the 100m reach limitation of copper. Our media converters are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs.This is a media converter that converts a 10/100Base-TX(RJ-45) to 100Base-X via an Open SFP Port. The Open SFP Port allows users to customize between the SX, LX, or BX connections. This media converter provides a cost effective conversion from 10/100Base-TX(RJ-45) to 100Base-X, while extending the network reach beyond the 100m reach limitation of copper. Our media converters are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs.