This is a mini media converter that converts a 100M/1G/2.5G/5G/ 10GBase-N(RJ-45) to 10GBase-X via an Open SFP+ Port. The Open SFP Port allows users to customize between the SR, LR, or BX connections. This media converter provides a cost effective conversion from 100M/1G/2.5G/5G/ 10GBase-N(RJ-45) to 10GBase-X, while extending the network reach beyond the 100m reach limitation of copper and saving space (3.75" x 2.25" x 1"). Our media converters are 100% compliant for all of our networking needs. Now you have a cost effective solution to your network upgrade needs.