The ToughNet TN-4900 Series, designed for rolling stock
Ethernet networks, is a set of high-performance M12 routers with 8
Gigabit ports and up to four bypass relay ports. These routers feature
firewall, ETBN, and routing functionality to facilitate the deployment
of applications across networks. The TN-4900 Series routers use M12
and other circular connectors to ensure tight, robust connections
that guarantee reliability against environmental disturbances, such
as vibration and shock.

The TN-4900 Series supports a wide
power input range of 24 to 110 VDC and can operate in temperatures
of -40 to 70°C for extended periods of time. Furthermore, these routers
are compliant with the mandatory requirements of EN 50155, making
them suitable for a variety of industrial applications.