As digitalization accelerates across the rail industry, trains now host a growing range of intelligent onboard systems, CCTV networks, passenger information systems (PIS), and other passenger-focused technologies. To improve operational efficiency, these systems must run on a unified Ethernet architecture. CCTV networks, in particular, stream multiple HD video feeds and depend on bandwidth-demanding endpoints such as NVRs and wireless access points. This surge in data traffic increases the need for a faster, more robust onboard network backbone.

With PoE becoming essential for powering IP cameras and connected devices, operators need industrial-grade, high-speed Ethernet networks. Moxa provides a broad selection of wired and wireless communication products engineered for high-throughput onboard connectivity and stable train-to-ground data exchange, meeting the fast-evolving requirements of modern rail systems.

Every onboard subsystem supports specific rail operations but must operate seamlessly across a unified Ethernet backbone. A resilient Ethernet Train Backbone (ETB), combined with interconnected Ethernet Consist Networks (ECN), enables smooth integration. CCTV infrastructure is typically installed within the ECN to ensure live video streaming to the driver cab and uninterrupted IP-based recording. Video and operational data are then transmitted to the OCC through cellular or Wi-Fi networks.

Moxa’s EN 50155-certified Ethernet switches are engineered to create stable, intelligent onboard networks that ensure reliable surveillance, dependable PIS performance, and streamlined train operation.

Moxa’s onboard switching platforms simplify installation, network adjustments, and ongoing maintenance. Train cars are often rearranged during operations, and traditional architectures require manual ring recoupling each time a consist changes. Moxa’s Dynamic Ring Coupling™ (DRC) technology automates this process by maintaining inter-consist redundancy without altering internal network settings, ensuring uninterrupted service for critical functions like CCTV, Wi-Fi, and PIS.

For modernization and fleet upgrades, Moxa’s Auto Carriage Connection (ACC) enables wireless inter-car communication, reducing the need for physical cables. Auto Configuration further accelerates deployment by automatically assigning IP parameters to onboard devices, ideal for large-scale rollouts across extensive rail fleets.

Cellular and Wi-Fi technologies now serve as the backbone of train-to-ground (T2G) communication. Operators often rely on hybrid LTE and Wi-Fi strategies to manage data under different operating conditions. While in motion, trains use cellular networks to maintain smooth handovers across regions, enabling uninterrupted streaming and real-time monitoring. Within depots or stations, connectivity shifts to Wi-Fi to offload stored video footage and system data, reducing mobile network usage and cost.

Moxa provides a comprehensive range of industrial wireless solutions, both Wi-Fi and cellular, designed to deliver secure, high-throughput, and reliable T2G connectivity for mission-critical rail operations.