This Transition Networks media converter is a handy little piece of networking gear for bridging the gap between 10Base-T and 10Base-2 connections. It's part of the Just Convert-It series, designed to be a simple, reliable way to integrate older BNC coax cabling into a standard Ethernet setup. It's been well-kept and is ready to help someone else keep their legacy network equipment running smoothly. In good physical shape. Untested.