... s handheld test set. It is made according to optical communication technique to meet the actual practice requirement. ... perfect tool for the measurement of optical-electrical devises, optical passive devices, optical fiber, optical cable, optical fiber communication equipment and the ... typeFC/PCComputer interfaceRS-232 / Mini USB 5PINPower supplyAC/DC adapter: input 100-240VAC, 50-60Hz, 0.2A max; ...