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NR BR 1922

Message Handling and Data Transmission Requirement between a Solid State Interlocking and a Train Describer System

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Organization: NR
Publication Date: 1 March 1990
Status: active
Page Count: 5
scope:

The specification describes the method to be used to link a Solid State Interlocking with a Train Describer system using simplex continuous cyclic scanning transmission.

Document History

NR BR 1922
March 1, 1990
Message Handling and Data Transmission Requirement between a Solid State Interlocking and a Train Describer System
The specification describes the method to be used to link a Solid State Interlocking with a Train Describer system using simplex continuous cyclic scanning transmission.

References

This document references:
BS 4505-1 - Digital Data Transmission Part 1: Basic Mode Control Procedures
Published by BSI on November 30, 1981
Specifies the implementation of the ISO/CCITT 7-bit coded character set for information interchange on data transmission channels and defines formats of the transmitted messages and supervisory...
This document references:
BS 4505-3 - Digital Data Transmission Part 3: The Use of Longitudinal Parity to Detect Errors in Information Messages
Published by BSI on November 30, 1981
Specifies a method which attaches one block check character to the transmitted information block (or text) and checks this character when it is received.
This document references:
BS 4505-2 - Digital Data Transmission Part 2: Character Structure for Start/ Stop and Synchronous Transmission
Published by BSI on June 30, 1990
Specifies character structure to be used for serial-by-bit start/stop and synchronous transmission using the UK 7-bit and 8-bit data codes.
This document is referenced by:
NR RT/E/PS/00012 - Specification for the Preparation & Implementation of Train Describer System Parameter Tables (aka NR/PS/SIG/00012)
Published by NR on August 1, 2001
This specification applies to all train describers supplied to Railtrack whether stand-alone or integral with another system. PURPOSE This document has been produced for the following FOUR reasons:...
This document is referenced by:
NR SSI8500I - Design of SSI Schemes - Chapter I: Equipment Procurement and Specifications
Published by NR on September 5, 2015
Purpose As a result of the original agreement between the British Railways Board, GEC General Signal (now ALSTOM) and Westinghouse Brake and Signal (Now Westinghouse Rail Systems), SSI equipment....
This document is referenced by:
NR/GN/SIG/CAT006 - Index of NR Documents Relating to Signalling & Communications Equipment
Published by NR on June 2, 2012
This standard represents historical information and best practice for equipment and systems that are still found on the infrastructure. This is not a mandatory standard and users should check...
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