������������ 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.