Defines the requirements for an equipment to measure bit-error performance at 64 kbit/s and N ´ 64 kbit/s.
– digital error detector;
– digital pattern generator;
– error performance measurement;
– measurement;
– tester.
PREAMBLE
The requirements for the characteristics of a bit-error performance measuring equipment which are described below must be adhered to in order to ensure compatibility between equipment produced by different manufacturers.