NR SSI8500I
Design of SSI Schemes - Chapter I: Equipment Procurement and Specifications
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| Organization: | NR |
| Publication Date: | 5 September 2015 |
| Status: | active |
| Page Count: | 15 |
scope:
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. manufactured by them is generally interchangeable at the modular level. The exception to this rule is when the Interlocking MPMs, and MMs, are of the 2MHz variety; in this case the replacement module shall be from the same manufacturer as the failed module. Note that specification and catalogue numbers are correct at the time of issue but may not always be maintained up-to-date.
Document History
December 4, 2021
Design of SSI Schemes - Chapter I: Equipment Procurement and Specifications
This module applies to all new schemes or alterations to existing schemes. Specification and catalogue numbers are correct at the time of issue but may not always be maintained up-to-date.
NOTE: New...
NR SSI8500I
September 5, 2015
Design of SSI Schemes - Chapter I: Equipment Procurement and Specifications
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....
March 3, 2012
Design of Schemes, Chapter I: Equipment Procurement and Specifications
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....
August 1, 2004
Design of SSI Schemes - Equipment Procurement & Specifications
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