INTERNATIONAL ELECTROTECHNICAL VOCABULARY - PART 821: SIGNALLING AND SECURITY APPARATUS FOR RAILWAYS
International Electrotechnical Committee
FOREWORD
INTRODUCTION - Principles and rules followed
1 Scope
2 Terms and definitions
821-01 General concepts and terms
821-02 Signals
821-03 Train detection
821-04 Operation and detection of points and other
rail-mounted equipment
821-05 Interlocking and signal box equipment
821-06 Block signalling system
821-07 Level crossing protection
821-08 Automatic train protection
821-09 Automatic train operation
821-10 Miscellaneous
821-11 Communication in transmission systems
821-12 Reliabilty, availability, maintainability
and safety
INDEX
Provides the general terminology relating to signalling and security apparatus for railways, as well as general terms pertaining to specific applications and associated technologies.
| Document Type | Standard |
| Status | Current |
| Publisher | International Electrotechnical Committee |
| Committee | TC 1 |
