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Networking solutions for signalling

For modern signalling and interlocking systems, the network has become a critical part of the railway infrastructure. As the industry moves from proprietary systems to digital, Ethernet-based architectures driven by initiatives such as EULYNX, signalling applications require secure, reliable, and scalable communications between interlockings, field elements, control centres, and management systems.

Westermo provides railway-approved networking solutions that enable resilient digital signalling networks, combining high availability, long lifecycle support, and cybersecurity to help rail operators and system integrators deliver safer, more efficient, and future-ready railway operations.

Level Crossing Systems

Robust and cyber secure trackside network with fast failover for level crossing systems.

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digital interlocking network solutions from Westermo

Digital Interlocking

Networking solutions from Westermo combine traditional safety-oriented railway systems with modern network security solutions.

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When safety meets security in railway digitalisation


Railway with safety and security symbols
As the railway industry embraces digitalisation, Ethernet connectivity is extended to the very edge of the network. While this evolution enhances operational capabilities, it also introduces new cybersecurity risks. It’s essential to distinguish between two critical concepts: safety, which protects against unintentional accidents, and security, which defends against intentional threats.

Westermo believes these layers must remain distinct yet complementary. The safety layer ensures reliable, unaltered data transmission—vital for protecting lives. Above it sits the security layer, which is dynamic and frequently updated to counter evolving threats. This layered approach allows for continuous security improvements without disrupting certified safety functions or requiring new safety approvals.

To support this architecture, Westermo has implemented a robust patch management process. Through our dedicated service portal, we streamline vulnerability detection, firmware validation, and secure deployment. Updates are rigorously tested in homologated environments before being rolled out to operational systems, ensuring both safety and security remain uncompromised.

Reliable network solutions for digital interlocking and signalling

Westermo provides redundant, encrypted networking for signalling applications, with IEC 62443-4-2 certified products and support for EULYNX applications.

Successful collaborations in trackside networks


Hitachi Rail Westermo success story

Hitachi Rail

Redundant Ethernet network from Westermo supports Hitachi Rail Falling Object Detection system.

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Pilatus Bahnen

Reliable and robust data network technology from Westermo supporting the operation brand-new cogwheel trains.

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westermo x frauscher success story

Frauscher AT

Frauscher team members completed the Certified Engineer WeOS program empowering over 30 employees

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picture of a railway

Frauscher US

Frauscher US transformed their team’s capabilities with Westermo Academy to better serve their own customers

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Recommended products for Signalling

Discover products designed to provide secure and reliable connectivity for modern signalling and interlocking systems, enabling resilient communication between field elements, control centres, and management systems while supporting safe and efficient railway operations.

Product Photo, Lynx 3510-(E)-F2G-P8G-LV-(CC) Gen 2, left perspective
New

Lynx 3510-E-F2G-P8G-LV-(CC) Gen 2

Layer 3 Gigabit PoE+ routing switch
IEC 62443-4-2, Security Level 2 (SL2)
802.3at/af (PoE+/PoE) 8 x RJ-45, 10/100/1000BaseT(X)
2 x 1 Gbit/s, SFP
Max. 240 W total PD consumption
Max. 30 W per PoE port
-40 to +70°C
Conformal-coated (CC) variant available

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Lynx 3510-E-F2G-P8G-LV

Industrial Layer 3 PoE+ Switch
802.3at/af (PoE+/PoE) 8 x RJ-45, 10/100/1000BaseT(X)
2 x 1 Gbit/s, SFP
Max. 240 W total PD consumption
Max. 30 W per PoE port
-40 to +70°C

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Product Photo, Lynx 3510-(E)-F2G2.5-P8G-LV Gen 2, left perspective
New

Lynx 3510-E-F2G2.5-P8G-LV Gen 2

Layer 3 2.5 Gigabit PoE+ routing switch
IEC 62443-4-2, Security Level 2 (SL2)
802.3at/af (PoE+/PoE) 8 x RJ-45, 10/100/1000BaseT(X)
2 x 2.5 Gbit/s, SFP
Max. 240 W total PD consumption
Max. 30 W per PoE port
-40 to +70°C

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Lynx 3510-E-F2G2.5-P8G-LV

Industrial Layer 3 PoE+ Switch
802.3at/af (PoE+/PoE) 8 x RJ-45, 10/100/1000BaseT(X)
2 x 2.5 Gbit/s, SFP
Max. 240 W total PD consumption
Max. 30 W per PoE port
-40 to +70°C

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Product Photo, Lynx 3510-(E)-F2G2.5-P8G-LV Gen 2, left perspective
New

Lynx 3510-F2G2.5-P8G-LV Gen 2

Layer 2 2.5 Gigabit PoE+ switch
IEC 62443-4-2, Security Level 2 (SL2)
802.3at/af (PoE+/PoE) 8 x RJ-45, 10/100/1000BaseT(X)
2 x 2.5 Gbit/s, SFP
Max. 240 W total PD consumption
Max. 30 W per PoE port
-40 to +70°C

 zeige Produkt
Product Photo, Lynx 3510-F2G-T8G-LV-(CC) Gen 2, left perspective
New

Lynx 3510-F2G-T8G-LV-(CC) Gen 2

Layer 2 Gigabit switch
IEC 62443-4-2, Security Level 2 (SL2)
8 x RJ-45, 10/100/1000BaseT(X)
2 x 1 Gbit/s, SFP
12 to 48 VDC
-40 to +70°C
Conformal-coated (CC) variant available

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Product details for Westermo Lynx-3510-F2G2.5-P8G-LV 10-port industrial Layer 2 PoE+ 2.5Gbit Ethernet switch.

Lynx 3510-F2G2.5-P8G-LV

Industrial Layer 2 PoE+ 2.5Gbit Switch
8 × 10/100/1000 Mbit/s RJ-45
2 × 2.5 Gbit/s SFP
240 W PoE budget
54 VDC
-40 to +70°C

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Product details for Westermo Lynx-3510-F4G-T6G-LV 10-port industrial Layer 2 Gigabit Ethernet switch.

Lynx-3510-F4G-T6G-LV

Industrial Layer 2 Gigabit Switch
IEC 62443-4-2, Security Level 2 (SL2)
6 × 10/100/1000 Mbit/s RJ-45
4 × 1 Gbit/s SFP
12-48 VDC
-40 to +70°C

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Product Photo, Lynx-3512-F4G-T&G-LV, left perspective

Lynx-3510-E-F4G-T6G-LV

Industrial Layer 3 Gigabit Switch
IEC 62443-4-2, Security Level 2 (SL2)
6 x RJ-45, 10/100/1000BaseT(X)
4 x 1 Gbit/s, Fiber SFP ports
12 to 48 VDC
-40 to +70°C

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Product Photo, Lynx-3518-(E)-F4G-T14G-LV Gen 2, left perspective
New

Lynx-3518-F4G-T14G-LV

Layer 2 Gigabit Switch
14 x 1 Gbit/s RJ-45 ports and 4 x 1 Gbit/s SFP ports
Layer 2 functionality powered by WeOS

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Product Photo, Lynx-3518-(E)-F4G-T14G-LV Gen 2, left perspective
New

Lynx-3518-E-F4G-T14G-LV

Layer 3 Gigabit routing switch
14 x 1 Gbit/s RJ-45 ports and 4 x 1 Gbit/s SFP ports
Resilient Layer 2 switching and advanced Layer 3 routing

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Product details for Westermo Lynx-5612-F4G-T8G-LV 12-port IEC 61850-3 substation Layer 2 Gigabit Ethernet switch.

Lynx 5612-F4G-T8G-LV

IEC 61850-3 Substation Automation Switch, Layer 2
8 x RJ45, 10/100/1000 Mbit/s
4 x 100/1000 Mbit/s, SFP transceivers supported, Ethernet FX (LC)

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Product details for Westermo Lynx-5512-F4G-T8G-LV 12-port industrial Layer 2 Gigabit Ethernet switch.

Lynx 5512-F4G-T8G-LV

Industrieller GigaBit Switch
8 x RJ45, 10/100/1000 Mbit/s
4 x 100/1000 Mbit/s, SFP Transceiver, Ethernet FX (LC)

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Industrial Ethernet Extender DDW-142 by Westermo.

DDW-242

Erweiterter Industrieller Ethernet Extender
2x RJ-45, 10 Mbit/s, 100 Mbit/s Base T
2x 2-polige abnehmbare Schraubklemmen für SHDSL-Anschlüsse
1x RJ45, RS-232 Port 300Bit/s - 115.2KBit/s

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Merlin-4407-T4-S2-LV

Industrial 4G LTE Cellular Router
Trusted Platform Module
Secure Boot
Isolated power input 9.6 V - 60 V DC
4 x 10/100 Mbit/s Ethernet, RJ-45
2 x Serial ports RS-232/RS-485
2 x Mini SIM slot
1 x GNSS SMA female antenna connector

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Westermo Industrial Rackmount Switch Redfox-5528-F4G-T24G-LV left view.

RedFox-5528-E-F4G-T24G-LV

19” Rackmount Managed Ethernet Switch - low voltage version, layer 3
24 to 48 VDC
24 x 10/100/1000 Mbit/s, Ethernet TX, RJ-45
4 x 100/1000 Mbit/s SFP transceivers supported, Ethernet FX (LC)

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Picture of the Westermo RedFox-5728-E-F16G-T12G-LV

RedFox-5728-E-F16G-T12G-LV

19" Managed Substation Automation Switch - Low voltage version, layer 3
24 to 48 VDC
16 x 100/1000 Mbit/s SFP transceivers supported, Ethernet FX (LC)
12 x 10/100/1000 Mbit/s, Ethernet TX, RJ-45

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Picture of the Westermo RedFox-5728-E-F24G-T4G-LV

RedFox-5728-E-F24G-T4G-LV

19" Managed Substation Automation Switch - Low voltage version, layer 3
24 to 48 VDC
24 x 100/1000 Mbit/s SFP transceivers supported, Ethernet FX (LC)
4 x 10/100/1000 Mbit/s, Ethernet TX, RJ-45

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When safety meets security in railway digitalisation

Digitalization is changing railway networks, and balancing safety and security is more important than ever. In this video, Andreas Hinterschweiger explains the difference between safety (protecting against accidental failures) and security (defending against intentional threats), and shares how Westermo’s approach keeps both layers strong.


Applications and use cases for rail

Westermo provides products and solutions for most networking applications within the rail industry. Our extensive product range and deep understanding of rail applications ensures that we can offer the best solution for your needs.

Multigigabit train-to-ground connectivity

Multigigabit train-to-ground connectivity

Using MMWave technology, Westermo provides high-speed train-to-ground connectivity solutions.

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Signalling solutions from Westermo

Signalling

Industrial networking with cybersecurity capabilities built for demanding signalling applications.

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CBTC

Westermo can offer the network products required for a complete CBTC solution.

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TCMS

Westermo can support critical subsystems inside trains with robust and secure data communication systems.

 

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Data offloading

Transfer large volumes of onboard train data quickly and reliably, with solutions for both WLAN and high-speed mmWave transfers.

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Onboard Connectivity

The Wi-Fi solutions available from Westermo resolve issues caused by high-density applications.

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Digital Payment Systems

Westermo offers a variety of network solutions for connecting digital payment systems that are typically found on board trains and at train stations.

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Rail Electrification

Westermo’s rail offering addresses all the needs of the rail electrification value chain.

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Rail Asset Management

Westermo can provide many types of data communication solutions to connect rail assets over different types of media.

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Public Address and PIDS

Westermo offers products and expertise in creating reliable and robust network solutions for all types of public address and information display systems.

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Video Surveillance

Westermo has developed data communication products specifically for solving common challenges within CCTV and video surveillance systems in public transit.

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Khawar Naeem

Sales, Trains & Trackside

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