These EN50155‑ and EN50121‑compliant industrial Ethernet switches are engineered for railway and harsh transportation environments, featuring rugged M12 connectors, PoE support, fast sub‑20 ms ring recovery, and redundant power inputs to ensure uninterrupted communication. Their IP40 metal enclosure and wide –40°C to +75°C operating range provide reliable performance for rolling stock, onboard systems, surveillance, and trackside networks