- Auto MDI/MDI-X means you never need to worry about what kind of cable to use.- Easy to install. Just plug and play.- Autosensing copper ports make them perfect for migrating networks from Ethernet to Fast Ethernet all the way to Gigabit Ethernet.- Compact size.- Supports distances of 10 kilometers (6.2 mi.).- For extra versatility, you can power the Miniature Media Converter through the external AC power supply included with each converter or through the optional rackmount PowerTray (sold separately).