... design, operation and maintenance FTTX/PON network. It's able to concurrently measure the BPON/EPON/GPON values of voice, data ... and faill Memory 150 pcs data, transmitting data from USB port to PCl Data transmitted via USB, convenient and save timel Set ... through software, data upload and wavelength calibratel Easy to operation, just connect the fiber to read the datal Auto-off function, can ...