Description
Designed for harsh industrial environments
The Viper-12A-PoE series is a series of managed 12 port switches optimised for the needs of the
railway rolling stock market. PoE ports offer effective powering of end-devices and Gbps ports
cope with high bandwidth devices such as access points and NVRs (Network Video Recorders).
The Viper is designed to withstand the tough environment on-board trains, exposing the switch
to constant vibration, extreme temperatures, humidity and a demanding electrical environment.
A GORE-TEX® membrane prevents internal condensation. Threading integrated in
chassis provides for additional vibration resistance. High-level isolation between all
interfaces enables direct connectivity to vehicle auxiliary power and protects against
overvoltage and flashover. IP67 protection prevents ingress of water and dust. An overall
optimised design results in an extremely compact package in combination with very high
MTBF for easy integration and low lifecycle cost.
Thorough type testing at independent labs certify the compliance to a wide range of
standards, not least EN 50155, where the highest class is achieved in all aspects. The
state-of-the-art Westermo production facility ensures the quality of each individual unit,
e.g. through temperature cycling burn-in testing.
The WeOS operating system offers an extensive suite of IP networking features for
resilient and flexible networks, e.g. the FRNT ring protocol with very fast failover on
100 Mbps as well as Gbps ports. The powerful layer 3 routing capability is very useful for
separating networks in complex applications. The backup device accessory matches the
Viper in robustness and offers easy configuration update and backup.
Meeting the requirements of the railcar market, the Viper is very well suited for
deployment in any other application with severe operating conditions and tough
environments, for instance in the mining industry.
Product models
All switches are managed and have eight PoE ports. Viper x12A-PoE is used when
referring to both models 112A-PoE and 212A-PoE.
Art.no Model Layer Gbps
ports
HV LV
3635-0110 Viper-112A-P8-HV 2 - 48-110 V
3635-0120 Viper-212A-P8-HV 3 - 48-110 V
3635-0210 Viper-112A-P8-LV 2 - 24-38 V
3635-0220 Viper-212A-P8-LV 3 - 24-38 V
3635-0410 Viper-112A-T3G-P8-HV 2 3 48-110 V
3635-0420 Viper-212A-T3G-P8-HV 3 3 48-110 V
3635-0510 Viper-112A-T3G-P8-LV 2 3 24-38 V
3635-0520 Viper-212A-T3G-P8-LV 3 3 24-38 V
