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White Papers on Industrial Networking for Railway Transportation

New Locations and New Requirements for On Board IP CCTV

IP-based CCTV systems are becoming an absolute requirement for train operations. As IP cameras are deployed in more and more locations onboard a train, there is a corresponding increase in the performance, reliability, and design requirements for those IP cameras.

The 4 Most Useful Technologies for Train-to-Ground Communications

As train operations move towards increasingly computerized Unattended Train Operations (UTO), trackside control centers must process additional data, including video feeds from front and rear-facing cameras on the train. These additional processes consume more bandwidth, and need more robust Train-to-Ground (T2G) links to support them. But even as bandwidth requirements grow, the existing challenging requirements of T2G operations - mobility, low latency, and reliability - remain. In this white paper, we review four useful technologies that help system operators bring a seemingly insurmountable task down to size.

Improving Efficiency of Inter-Consist Communications Using Auto-Negotiations

Because train carriages and consists are frequently reconfigured, the speed and accuracy with which new inter-carriage and inter-consist links can be established are both key determinants in the overall operational efficiency of a railway operation. For this, auto-negotiation is a substantial time-saver, but it is also complicated to implement on networks that use more sophisticated networking technologies such as ring redundancy topology or wireless bridges. This white paper describes how modern railway solution providers have developed auto-negotiation strategies for both Layer 2 (communication-level) and Layer 3 (operations-level) networks.

5 Key Obstacles to Wayside and Carborne ATO Integration: An Automatic Train Operations (ATO) Case Study

Modern communications-based train control (CBTC) relies on the inter-operation of many different systems, including Wayside and Carborne Automated Train Operations (ATO) systems. When the WATO and CATO work together, the CBTC system can achieve tremendous synergy and efficiently deliver safe and consistent service. But first, the systems must be able to talk with each other.

Automatically Create Error-free Inter-carriage Connections

WDS or Wireless Distribution System provides data connectivity across train carriages using wireless. Undesirably, this system is has inadequate security, is bandwidth constrained and needs operator manual re-provisioning whenever the formation of the train carriages changes. This white paper illustrates how Moxa’s Auto Carriage Connection or ACC protocol eliminates these issues.

Choosing the Ideal Computers for Rolling Stock Applications

There are many rolling stock applications, each of which has specific requirements. This white paper is a guide to choosing the ideal computer for your rolling stock applications.

How to Build Industrial Computers that Resist Vibration and Shock

This white paper first explains some background about the physics behind vibration and shock, and then explores the specific mechanisms and technology used to build an industrial computer with high resilience against these harsh conditions.

Uninterrupted Train-to Ground Communications with Sub-50 ms Turbo Roaming

The architecture of 802.11 ground to train data communications requires technology that can provide uninterrupted data streams for the onboard requirements. This white paper discusses the solutions to maintain seamless connectivity at high speeds through such technology as Moxa’s Turbo Roaming deployed with Wide Area Controllers (WACs), specialized handoff parameters that can be effectively tweaked, and multiple redundancy measures to provide failsafe data links.