Toronto, Canada GAO Fiber Optics ( has released its portable palm-sized optical time-domain reflectometer (OTDR) designed for Fiber-to-the-x (FTTx) network testing. It uses advanced technology to measure the physical characteristics of optical fiber including length, transmission loss and splice loss and also locates the faults or breaks of optical fiber. The compact OTDR is mainly applied in the manufacture, construction and maintenance in optical fiber communication systems.
This handheld optical time-domain reflectometer, model 6416, is equipped with comfortable gallus for easy carrying. The rugged OTDR offers four optional wavelengths including 1310nm, 1550nm, 1625nm and 1490nm and provides visual fault location for testing passive optical networks (PON) in FTTx. It provides dual interfaces to support both USB and direct cable download to a PC via ActiveSync. This lightweight OTDR supports Bellcore GR196 file format for managing files.
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About GAO Fiber Optics
GAO Fiber Optics (, a member company of GAO Group, is a leading provider of fiber optic test and measurement instruments, transceivers and other fiber optical devices.

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