DS DS/EN 61746-1
DS DSEN 61746-1 2011-MAR-30 Calbraton of optcal tme-doman reflectometers OTDR - Part 1 OTDR for sngle-mode fbres
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This part IEC 61746 provides procedures for calibrating single-mode optical time domain reflectometers (ODTR). It only covers ODTR measurement errors and uncertainties.