The equipment is designed to measure the bit-enor performance of digitai paths (operating at 64 kbitls and N x 64 kbitls) by the duect comparison of a pseudo-random test pattern with locally generated test pattern identical to the transmitted test pattern.
ITU-T G.703 Physical/electrical characteristics of hierarchical digital interfaces*， 2016-03-31 Update
ITU-T G.821 Error performance of an international digital connection operating at a bit rate below the primary rate and forming part of an Integrated Services Digital Network SERIES G: TRANSMISSION SYSTEMS AND MEDIA DIGITAL SYSTEMS AND NETWORKS Digital networks Quali*， 2024-04-19 Update
ITU-T O.150 General Requirements for Instrumentation for Performance Measurements on Digital Transmission Equipment Study Group 4; 24 pp
ITU-T O.3 Climatic Conditions and Relevant Tests for Measuring Equipment - Specifications of Measuring Equipment (Study Group IV) 7 pp
ITU-T V.11 Electrical Characteristics for Balanced Double-Current Interchange Circuits Operating at Data Signalling Rates up to 10 Mbit/s - Series V: Data Communication over the Telephone Network Interfaces and Voiceband Modems Study Group 14; 19 pp [Superseded: ITU
ITU-T V.24 List of Definitions for Interchange Circuits between Data Terminal Equipment (DTE) and Data Circuit-Terminating Equipment (DCE) Series V: Data Communication over the Telephone Network Interfaces and Voiceband Modems Study Group 16
ITU-T V.36 MODEMS FOR SYNCHRONOUS DATA TRANSMISSION USING 60-108 kHz GROUP BAND CIRCUITS
ITU-T O.151 CORR 1 SPANISH-2002 history
2002ITU-T O.151 CORR 1 SPANISH-2002 Error performance measuring equipment operating at the primary rate and above Corrigendum 1 Study Group 4