Moxa's ToughNet series EN50155 Ethernet switches with round M12 connectors are designed specifically for railway applications, especially for rolling stock. Moxa's ToughNet series products were made with operation reliability and maintainability, and efficiency in mind. The TN series incorporates extensive future-proof functions including Gigabit solution for data-intensive train networks, PoE capability to reduce wiring complexity and costs, and built-in Turbo Ring™ to maintain high network availability.