Perle SR-100 DIN Rail Media Converters transparently connect UTP copper to fiber. These Fast Ethernet Media Converters provide an economical path to: extend the distance of an existing network by linking CAT5/6/7 cabling to multimode or single mode fiber extend the life of non-fiber based equipment by enabling data transmission from 100Base-TX devices over fiber extend the distance between two copper-based devices or networks protect Ethernet data from EMI noise and interference by inter-connecting your copper-Ethernet devices over fiber in industrial plants. Some SR-100 Media Converters are also available with an SFP slot or support for -40C to +75C (-40F to +167F) extended operating temperatures. Network Administrators can rest assured with Perle's advanced features such as Auto-Negotiation, Auto-MDIX, Link Pass-Through, Far End Fault, and Pause which make the end to end link completely transparent. This allows for more efficient troubleshooting and less on-site maintenance. These cost and time saving features, along with a lifetime warranty and free worldwide technical support, make SR-100 Fast Ethernet Media Converters the smart choice for IT professionals.