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• CCITT Rec. O.153 (11/1988) – BASIC PARAMETERS FOR THE MEASUREMENT OF ERROR PERFORMANCE AT BIT RATES BELOW THE PRIMARY RATE
• 1 General
• 2 Test patterns
  • 2.1 511-bit pseudorandom test pattern
  • 2.2 2047-bit pseudorandom test pattern
  • 2.3 1048.575 kbits pseudorandom test pattern
  • 2.4 Fixed test patterns (for continuity tests)
  • 2.5 Programmable test patterns
• 3 Bit rates
  • 3.1 Data transmission via telephone-type circuits using modems
  • 3.2 Data transmission via group-band circuits using wideband modems
  • 3.3 Data transmisison at and above 64 kbit/s
  • 3.4 Deviation from nominal bit rate
  • 3.5 Clock sources
• 4 Interfaces
• 5 Modes of operation
• 6 Bit of synchronization
• 7 Codes
• 8 Error measurements and error evaluation
  • 8.1 Bit error measurements
  • 8.2 Block error measurements
  • 8.3 Simultaneous measurements
  • 8.4 Error performance evaluation
• 9 Measurement of distortion
  • 9.1 Measurement of individual distortion
  • 9.2 Measurement of bias distortion
• 10 Remote control, recording of measurement results
• 11 Operating environment
• References