IP networks, transmission & security

Sub-access IP principles, systems architecture, security hardening, Ethernet commissioning.

• NR/L2/TEL/30185
  Principles for Operational Telecommunications, Signalling and E&P Sub-Access Internet Protocol Networks

  16 clauses mapped

• NR/L2/TEL/30184
  Specification for Network Rail Telecoms systems architecture, technical design and test assurance

  11 clauses mapped

• NR/L2/TEL/30182
  Security of Telecoms Digital Systems

  17 clauses mapped

• NR/L3/TEL/30187
  RSIT, Telecommunications, Signalling and E&P Firewall Configuration

  Design standards for firewall configuration between RSIT, telecoms, signalling and E&P networks

• NR/L3/TEL/30175
  Ethernet Services Commissioning Tests

  Commissioning tests for Ethernet transport circuits and services on NR packet networks

• NR/L2/TEL/30067
  The Transmission of Safety Related Information

  Control measures for sending safety-related information across NR and third-party comms infrastructure

• NR/PS/TEL/00025
  Synchronous Digital Hierarchy Multiplexing Equipment (formerly RT/E/PS/00025)

  Product spec — SDH multiplexing equipment