Tripp Lite's N785-001-LC-MM 10/100/1000 to Multimode Media Converter ( RJ45 to LC ) is an economical way to extend the distance of network nodes up to 550M by converting Cat5e UTP cables to Multimode Fiber Optic. The Media Converter features automatic MDI/MDI-X configuration, and the UTP port senses the network speed automatically. Auto-detects half or full duplex operation on the fiber port. Power supplied by small form factor AC adapter.