Committees responsible
National foreword
Specification
Introduction
1. Scope
2. Object
3. Requirements for data transmission in telecontrol
systems
3.1 High data integrity and data consistency
3.2 Short telecontrol transfer time
3.3 Support of bit oriented (code transparent) data
transmission
4. Quantified rating of data integrity
4.1 Quantitative requirements for data integrity in
telecontrol systems
5. Quantified rating of transmission efficiency
6. Transmission protocol specifications
6.1 Physical layer
6.2 Link layer
6.2.1 Link service classes provided
6.2.2 Dialogue procedures
6.2.3 Standard frame synchronization
6.2.4 Standard frame formats
6.2.5 Synchronization in transmission channels using
switched carrier frequency
6.2.6 Main application fields of the defined format
classes
6.2.7 Use of HDLC (High level data link control)-
protocols
Appendices
A. Effect of signal quality supervision on transmission
efficiency and data integrity
B. Quantitative ratings of data integrity and
transmission efficiency
Table
1. Standard frame formats and code specifications
Figures
1. Data integrity classes
A.1 Bit signal detection
a) without and
b) with signal quality supervision
A.2 Influence of signal quality supervision on frame
transmission efficiency and on data integrity
B.1 Residual errors of format classes FT1.1, FT1.2, FT2
and FT3
B.2 Frame transmission efficiency of format classes
FT1.1, FT1.2, FT2 and FT3