DS DS/EN 61280-2-8
DS DSEN 61280-2-8 2003-MAY-22 Fbre optc communcaton subsystem test procedures - Dgtal systems - Part 2-8 Determnaton of low BER usng Q-factor measurements
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This part of IEC 61280 specifies two main methods for the determination of low BER values by making accelerated measurements. These include the variable decision threshold method (Clause 4) and the variable optical threshold method (Clause 5). In addition, a third method, the sinusoidal interference method, is described in Annex B.