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NR/PS/TEL/00025

Synchronous Digital Hierarchy Multiplexing Equipment

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Organization: NR
Publication Date: 1 April 2006
Status: active
Page Count: 16
scope:

This Product Specification states the requirements for supply of Synchronous Digital Hierarchy Multiplexing Equipment. It shall be used by persons responsible for the specification of transmission equipment.

Purpose

This Product Specification states the minimum requirements for Synchronous Digital Hierarchy Multiplexing Equipment forming part of telecommunications systems providing services for operational railway and business applications.

Document History

NR/PS/TEL/00025
April 1, 2006
Synchronous Digital Hierarchy Multiplexing Equipment
This Product Specification states the requirements for supply of Synchronous Digital Hierarchy Multiplexing Equipment. It shall be used by persons responsible for the specification of transmission...
RT/E/PS/00025 ISSUE 1
February 1, 2002
Synchronous Digital Hierarchy Multiplexing Equipment
General This Product Specification states the requirements for supply of Synchronous Digital Hierarchy Multiplexing Equipment. It shall be used by persons responsible for the specification of...

References

This document references:
ITU-T G.826 - End-to-end error performance parameters and objectives for international, constant bit-rate digital paths and connections SERIES G: TRANSMISSION SYSTEMS AND MEDIA, DIGITAL SYSTEMS AND NETWORKS Digital networks – Quality and availability targets
Published by ITU-T on December 1, 2002
This Recommendation specifies end-to-end error performance events, parameters and objectives for: 1) digital paths operating at bit rates at or above the primary rate; and 2) N × 64 kbit/s...
This document references:
BS EN 50121-1 - Railway applications — Electromagnetic compatibility Part 1: General
Published by BSI on January 31, 2017
A description is not available for this item.
This document references:
NR/PS/TEL/00014 - Telecommunications Optical Fibre Cable
Published by NR on April 1, 2006
This document specifies the requirements for optical fibre cables for external use containing step-index optical fibres supporting singlemode propagation in accordance with ITU-T Recommendation...
This document references:
G.784 - (Pre-Published) Management aspects of the Synchronous Digital Hierarchy (SDH) transport network element
Published by ITU-T on March 1, 2008
A description is not available for this item.
This document references:
ITU-T G.957 - Optical interfaces for equipments and systems relating to the synchronous digital hierarchy
Published by ITU-T on March 1, 2006
This Recommendation covers optical interface parameter specifications for equipments and systems supporting the Synchronous Digital Hierarchy (SDH) defined in ITU-T Rec. G.707/Y.1322 and operating on...
This document is referenced by:
ACC/CAT/CO/001 ISSUE 130 - Catalogue of Network Rail Standards (aka NR/CAT/STP/001)
December 2, 2023
A description is not available for this item.
This document is referenced by:
NR/L1/TEL/30100 - Telecoms Design
Published by NR on March 6, 2010
This Company Standard is mandatory on Network Rail and its contractors involved in the design of all: 1. Operational telecoms equipment/systems; 2. Retail telecoms equipment/systems; 3. Cable or...
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