NR/L2/TEL/30002
Operational Concentrator System (OCS)
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| Organization: | NR |
| Publication Date: | 7 March 2020 |
| Status: | active |
| Page Count: | 26 |
scope:
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 System (OCS) concentrators using IP technology. These systems are used in Network Rail to facilitate communications and mitigate therisk of communications being directed to the incorrect person.
Document History
September 2, 2023
Operational Concentrator System (OCS)
This standard covers all new operational concentrator systems in Network Rail used for the purposes of signaller voice communications.
Note 1 : Repurposed Signal Box Concentrators (TDM) are not...
NR/L2/TEL/30002
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...
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...