Tripp Lite's N784-001-SC-15, 10/100 to single-mode media converter (RJ45 to SC), is an economical way to extend the distance (up to 15km ) of network nodes by converting Cat5e UTP cables to single-mode fiber optic. The media converter features automatic MDI/MDI-X configuration and the UTP port senses the network speed automatically as well. Auto-detects half or full duplex operation on the fiber port. Power supplied by small form factor AC adapter.