Autosensing copper ports make them perfect for migrating networks.Accepts 1250-Mbps SFPs.Use as standalone media converters or rackmount in the optional PowerTray.Powered by its universal AC power supply, a PC’s USB port, or the optional rackmountable PowerTray.Auto MDI/MDI-X means you never need to worry about what kind of cable to use.Easy to install. Just plug and play.Compact size.Uses inexpensive CAT5e twisted-pair cable on the copper side.Features Link Fault Pass-Through (LFPT).This Black Box® Multipower Miniature Media Converter links 10-, 100-, or 1000-Mbps segments to fiber cabling. An SFP port enables you to use an SFP to link the converter to many kinds of fiber cable. Choose from multimode and single-mode SFPs. With a single-mode SFP, the media converter supports distances of to 40 kilometers (24.8 mi.), even 70 kilometers (43.5 mi.), depending on the model you order. For extra versatility, you can power the Multipower Miniature Media Converter one of three ways: through the external AC power supply included with each converter, through the optional USB Power Adapter Cable (which plugs into a PC’s USB port and is sold separately), or through the optional rackmount PowerTray (sold separately). The PowerTray provides power for up to 18 converters in only 5U of rack space. Rackmount ears are included.