High Speed Rail Signalling System Security Data Network Solutions

INTRODUCTION

Rail Signalling System is the most important part of the Train Control System. The adopting technology has been developed from relay system interlocking, computer based interlocking, to CTCS-2, CTCS-3. The communication has been developed from traditional hard wire, serial communication to present industrial Ethernet. For the purpose to establish a safe, reliable, standard uni!ed new generation of security data network, China Rail Corporation has released the Standards of High Speed Rail Signaling System Security Data Network, Version 3.0. It defines all the functional requirements, networking requirements, the selection of equipment, network structure, network management and etc. for the Security Data Network.

SPECIFICATIONS

System Requirements

  • Supports the isolation of different lines/bureaus through layer 3 devices.
  • Supports Gigabit/100M fiber ring network and excellent selfrecovering performance in a huge network.
  • The Signaling System Security Data Network should ensure the safe and reliable communication of security data between stations, relays, and signaling devices in control centers, such as RBC, TSRS.
  • The latency of data transmission within network devices in each single node is less than 50 microseconds. The recovery time of the data communication within a single network is less than 50 milliseconds. The recovery time of the data communication between networks is less than 500 milliseconds.
  • Supports network management system which enables the monitoring, recording, alarming and maintenance of the network connection status, device working status and devices operating parameters.
  • Resistant to the strong electromagnetic interference and voltage mutations.
BENEFITS

Why KLG Smartec

  • Taking part of driving Standards of High Speed Rail Signaling System Security Data Network, Version 3.0, Kyland released Ethernet switches and NMS fully meet the standards.
  • Supports layer 3 routing protocols such as RIP, static routing.
  • Supports multiple ring redundancy protocol such as STP/RSTP, MSTP, DT-Ring and IEC61439-6(DRP). The recovery time is less than 20ms.
  • Supports NTP, the accuracy reaches 10ms.
  • Kyview and Kyvision 3.0 Pro network management system providing network monitoring and management.
  • Supports optical power detection and data upload.
  • Supports operating temperature range of -40 to 85°C
  • Complies with EN50121-4, high EMC level.

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High Speed Rail Signalling System Security Data Network Solutions

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