Summary

             Defines the requirements for an equipment to measure error performance of digital systems at the hierarchical bit rates between 1.5 and 140 Mbit/s.

             Keywords

–           digital error detector;

–           digital pattern generator;

–           error performance measurement;

–           measurement;

–           tester.

PREAMBLE

             The requirements for the characteristics of bit-error performance measuring equipment which are described below must be adhered to in order to ensure compatibility between equipment produced by different manufacturers.