The FTBx-720D by EXFO America is an advanced LAN/WAN access Optical Time Domain Reflectometer (OTDR) designed to streamline the fiber handling process through its unique single-port configuration. This device expertly combines an OTDR, light source, and power checker to enhance efficiency during in-service testing, particularly for FTTx applications at 1650 nm. With an impressive dynamic range of up to 38 dB for singlemode and 30 dB for multimode fibers, it provides accurate and reliable testing results while its iOLM capability allows for one-touch multiple acquisitions, delivering clear go/no-go outcomes in an easily digestible visual format. Additionally, the FTBx-720D features a quad version for both singlemode and multimode testing, and its innovative Swap-Out connector ensures that users can replace components as needed, maintaining optimal performance levels without incurring excessive service costs or downtime.