The SLM intelligent optical software application helps technicians use an OTDR more effectively, without the need to understand or interpret OTDR results. Each event is displayed as an icon giving users a schematic view of the entire link, known as SmartLink. SLM can completely correlate to the original OTDR trace as experts desire. With this common approach to simplify OTDR testing and streamline the procedures, four tailored SLM OTDR applications are available for different network types.