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NR/SP/TEL/30002 ISSUE 4

Signal Post Telephone Concentrator System

inactive
Organization: NR
Publication Date: 1 April 2006
Status: inactive
Page Count: 26
scope:

These requirements apply to new concentrator systems for use in Network Rail controlled signal boxes and to subsequent modification of these systems. Each requirement statement has been classified and falls into one of the following three categories: (I)

• Mandatory (indicated by '(M)' at the end of the paragraph). Compliance with these requirements is mandatory.

• Desirable (indicated by '(D)' at the end of the paragraph). These are desirable requirements. Where a group of desirable statements are all needed to satisfy a general requirement '(D*)' will be indicated at the end of the paragraph.

• Information (indicated by '(I)' at the end of the paragraph). These are statements intended to provide explanatory notes.

Purpose

This document defines the requirements to be met by a signal box telephone concentrator system.

Document History

March 7, 2020
Operational Concentrator System (OCS)
This standard covers all new operational concentrator systems in Network Rail. Purpose This document defines the minimum technical requirements for new Operational Internet Protocol Concentrator...
NR/SP/TEL/30002 ISSUE 4
April 1, 2006
Signal Post Telephone Concentrator System
These requirements apply to new concentrator systems for use in Network Rail controlled signal boxes and to subsequent modification of these systems. Each requirement statement has been classified...
December 1, 2001
Signal Post Telephone Concentrator System (aka NR/SP/TEL/30002)
These requirements apply to new concentrator systems for use in Railtrack controlled signal boxes and to subsequent modification of these systems. Each requirement statement has been classified and...
August 1, 2001
Signal Post Telephone Concentrator System
This Specification states the technical and user requirements for a telephone unit which terminates several telephone circuits, of different types, on one or more Signaller's operating positions...
January 2, 1997
Signal Post Telephone Concentrator System
This Specification states the technical and user requirements for a telephone unit which terminates several telephone circuits, of different types, on one or more Signaller's operating positions...

References

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