... to factory is unnecessaryGeneral Specifications: Dynamic rangePlease refer to "OTDR modules specifications"Distance uncertainty±(0.75m + sample space ... 4400mAh, operating time ≥8 hours 2LanguageUser selectable: simplified Chinese, English, Russian, Korean etc.. (please contact CETC 41st ... 1192Standby battery6FC/SC,FC/ST connectorsTypical application:JX8002 OTDR is mainly used to measure FTTx network, ...