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NR/L3/TEL/30181 - Telecoms Maintenance Work Instructions Handbook
September 5, 2020 - NR

This handbook is subdivided into the modules shown in Table 3 for ease of use and reference. The standard applies to maintenance activities on Network Rail's telecommunications assets. Purpose This handbook specifies work instructions for maintenance activities on Network Rail...

ITU-T G.799.1 - Functionality and interface specifications for GSTN transport network equipment for interconnecting GSTN and IP networks
July 1, 2016 - ITU-T

This Recommendation covers the requirements of equipment that interconnects GSTN networks at the TDM interface and networks optimized for the transport of IP (e.g., GSTN to IP gateway, vehicle gateway and integrated access devices). Such equipment is referred to in this...

NR/L2/TEL/30135 - Video Surveillance Systems (VSS)
September 5, 2020 - NR

This standard sets out the requirements for the design and installation and coverage of VSS and equipment on Network Rail's infrastructure i.e. stations, station car parks depots and lineside. This standard does not define any requirements for the design and installation of Driver...

ARINC 848 - MEDIA INDEPENDENT SECURE OFFBOARD NETWORK
June 19, 2020 - ARINC

The first (bottom) layer of defense is provided by the air to ground communication providers. Although those details will remain out of the scope of this document, this layer would typically include lists of allowed and blocked web sites, restrictions on Transmission Control Protocol (TCP) session...

NR/GN/SIG/CAT005 - Index of Network Rail Documents Relating to Signalling and Communications Equipment
March 7, 2020 - NR

Typical Circuits are best practice and should be applied to all new works and alterations to existing installations. Typical Circuits are not mandatory and users should check compliance to current Railway Group Standards, Railway Industry Standards and Company standards before implementing the...

NR/L3/SCO/313/SP-2.05/AB - On-Track Machines (OTMs) Driver and Operations Standards Manual: Defective High Output Core Vehicles: On-Train Equipment - List of OTM Equipment and Actions to Be Taken
September 5, 2020 - NR

This process applies to all Ballast Cleaning and Track Relaying systems whether being brought into service or during operations on Network Rail managed infrastructure. The GE/RT8000 Rule book does not wholly lend itself to ballast cleaning and track relaying vehicles in terms of its...

ISO/IEC DIS 22237-1 - Information technology — Data centre facilities and infrastructures — Part 1: General concepts
August 25, 2020 - ISO

This document: a) describes the general principles for data centres upon which the requirements of the ISO/IEC 22237 series are based; b) defines the common aspects of data centres including terminology, parameters and reference models (functional elements and their accommodation) addressing both...

DS/ETSI EN301908-2V13.1.1 - IMT cellular networks; Harmonised Standard for access to radio spectrum; Part 2: CDMA Direct Spread (UTRA FDD) User Equipment (UE)
June 22, 2020 - DS

The present document applies to the following radio equipment type: • User Equipment for IMT-2000 CDMA Direct Spread (UTRA FDD). These radio equipment types are capable of operating in all or any part of the frequency bands given in table 1-1.

IEC 60076-24 - Power transformers – Part 24: Specification of voltage regulating distribution transformers (VRDT)
July 1, 2020 - IEC

This document applies to medium power transformers from 25 kVA up to 3 150 kVA with highest voltage for equipment up to 36 kV, or in low voltage (LV) networks with highest voltage for equipment of up to 1,1 kV equipped with voltage regulating devices. Voltage regulating...

ISO/IEC/IEEE 8802-1Q - Telecommunications and exchange between information technology systems — Requirements for local and metropolitan area networks — Part 1Q: Bridges and bridged networks
August 1, 2020 - ISO

This standard specifies Bridges that interconnect individual LANs, each supporting the IEEE 802 MAC Service using a different or identical media access control method, to provide Bridged Networks and VLANs. Purpose Bridges, as specified by this standard, allow the compatible interconnection...

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